SM-G930VL Questions From A Beginner - T-Mobile Samsung Galaxy S7 Questions & Answers

I've just purchased a used SM-G930VL (Straight Talk) phone on Swappa. I requested the SM-G930U, but they apparently sent the wrong model.
The reason I wanted to SM-G930U model was so I could insert any SIM card and it would work.
Questions (and I'm new to Android as you can probably tell below):
- Is the SM-G930VL Verizon / Straight Talk model usually unlocked to ONLY use any SIM card from Straight Talk or would I be able to use any US carrier?
- Is there a way to put SM-G930U firmware on a SM-G930VL phone and is there an advantage to this?
- Will the SM-G930U firmware unlock the phone in case it's locked to Straight Talk only?
- Can I brick the phone for good if I attempt to Flash it and I do it wrong? or is it always possible to bring the phone back from the dead?
- Is there a recent tutorial on how to make the phone accept any carrier?
I tried using Odin to Flash the phone from SM-G930VL to SM-G930V, but was following a 2 year old YouTube video, so the files were outdated and I was unsuccessful.
The phone is running Android 8.0.0 and Knox 3.1, API level 25.

pitrofilta said:
I've just purchased a used SM-G930VL (Straight Talk) phone on Swappa. I requested the SM-G930U, but they apparently sent the wrong model.
The reason I wanted to SM-G930U model was so I could insert any SIM card and it would work.
Questions (and I'm new to Android as you can probably tell below):
- Is the SM-G930VL Verizon / Straight Talk model usually unlocked to ONLY use any SIM card from Straight Talk or would I be able to use any US carrier?
: the SM-G930VL is programmed to only work with straight talk sim cards. The phone is factory unlocked as far as i know but it does not allow network connectivity with non ST sim cards.
- Is there a way to put SM-G930U firmware on a SM-G930VL phone and is there an advantage to this?
: Yes you can put the SM-G930U firmware. All US Galaxy S7S are the same hardware wise. The Advantage is that it completely removes everything that ST baked into the firmware.
- Will the SM-G930U firmware unlock the phone in case it's locked to Straight Talk only?
: If in case the device is sim locked to ST, flashing the SM-G930U firmware will not sim unlock the device.
- Can I brick the phone for good if I attempt to Flash it and I do it wrong? or is it always possible to bring the phone back from the dead?
: There are always risks when it comes to flashing any device. When it comes to Samsung devices it's hard to really hard brick a device using and official flash tool like Odin. the device cab get soft bricked but most of the times it's because of user error that it happens.
- Is there a recent tutorial on how to make the phone accept any carrier?
: there are many of them here on the forums but i can try my best to give you a quick run down:
1. First download the SM-G930U firmware from here
2. Download Odin from this thread, Credits to OP on that thread
3. Once Files are downloaded, extract the firmware and odin on the same folder for convinience.
4. Once you extract the firmware, you will have 5 files that each start with BL, AP, CP, HOME_CSC, and CSC (you will need BL, AP, CP and CSC only)
5. open Odin and load each file above in there respective slots, you will be able to see where each file needs to go, note that the AP file will take a few minutes to load as this is the biggest file of the 4.
6. at this point am assuming your galaxy s7 is completely off, Press and hold the Home + Volume down + Power keys together until you see a warning screen about flashing custom firmware, press Volume up to get to Download/Odin Mode.
7. connect your S7 to your PC, use usb 2.0 ports preferably. Let Windows install the drivers (you can get samsung drivers from here, make sure you install these first i.e. before connecting your phone to your PC)
8. Once Windows installs the drivers, on Odin, click START and wait for all the files to flash, DO NOT DISCONNECT THE PHONE until Odin says Pass or something similar.
9. The phone will automatically go to recovery mode and display installing update. It will reboot again and start to boot into android. once fully booted.
10. Once booted fully, you will be on Android Oreo for the unbranded Galaxy S7 with nothing from straight talk and also you will be able to use any sim card on the device.
I tried using Odin to Flash the phone from SM-G930VL to SM-G930V, but was following a 2 year old YouTube video, so the files were outdated and I was unsuccessful.
The phone is running Android 8.0.0 and Knox 3.1, API level 25.
Click to expand...
Click to collapse
Please let me know if you have further questions or help with doing this, i can probably help you remotely if we need to.
---------- Post added at 08:38 PM ---------- Previous post was at 08:32 PM ----------
btw i know this because i myself got a straighttalk galaxy s7 when it first came out. i switched to the unbranded firmware as soon as it was made available and have not gone back to the straight talk firmware ever. the phone behaves like an actual unlocked SM-G930U device and gets updates (albeit a little slower than carrier branded S7s) directly from samsung.
Also once you follow, this go to settings and software updates to get the latest available updates available from Samsung.

micallan_17 said:
Please let me know if you have further questions or help with doing this, i can probably help you remotely if we need to.
---------- Post added at 08:38 PM ---------- Previous post was at 08:32 PM ----------
btw i know this because i myself got a straighttalk galaxy s7 when it first came out. i switched to the unbranded firmware as soon as it was made available and have not gone back to the straight talk firmware ever. the phone behaves like an actual unlocked SM-G930U device and gets updates (albeit a little slower than carrier branded S7s) directly from samsung.
Also once you follow, this go to settings and software updates to get the latest available updates available from Samsung.
Click to expand...
Click to collapse
Apologies for not answering earlier. I really appreciate your offer and thoughts, however I just returned the S7 and purchased a used S8 instead.

pitrofilta said:
Apologies for not answering earlier. I really appreciate your offer and thoughts, however I just returned the S7 and purchased a used S8 instead.
Click to expand...
Click to collapse
It's Cool

Having A Bit Of Trouble With Calls!
micallan_17 said:
It's Cool
Click to expand...
Click to collapse
Hey thanks for the thread folks!
I am also (an old) beginner! Followed the instructions (Thank you @micallan_17) and was able to successfully flash stock G930U into a T-Mobile S7 which was supposed to have been unlocked when I bought it, but apparently was not! So, with G930U everything works with my Consumer Cellular SIM (AT&T network), but I can not call out or receive calls! Flashed phone back to T-Mobile stock G930T and took it to a T-Mobile store. They were kind and put a demo SIM in it and it worked to call out. So, the hardware seems to be working. Back to G930U, I have wiped cache and data, but still no calls! Can send and receive text, WiFi works and have 4G LTE functional. It also shows the VoLTE option and WiFi calling, but won't do either. Basically, it is a smartphone that is only smart!
Any brilliant fixing suggestions out there?

AEChief said:
Hey thanks for the thread folks!
I am also (an old) beginner! Followed the instructions (Thank you @micallan_17) and was able to successfully flash stock G930U into a T-Mobile S7 which was supposed to have been unlocked when I bought it, but apparently was not! So, with G930U everything works with my Consumer Cellular SIM (AT&T network), but I can not call out or receive calls! Flashed phone back to T-Mobile stock G930T and took it to a T-Mobile store. They were kind and put a demo SIM in it and it worked to call out. So, the hardware seems to be working. Back to G930U, I have wiped cache and data, but still no calls! Can send and receive text, WiFi works and have 4G LTE functional. It also shows the VoLTE option and WiFi calling, but won't do either. Basically, it is a smartphone that is only smart!
Any brilliant fixing suggestions out there?
Click to expand...
Click to collapse
Hi, Glad the instructions were helpful, regarding the call issue, when you try calling, does it give you an error message? Also when you go to settings>connections>mobile networks, what shows under Network Mode?

micallan_17 said:
Hi, Glad the instructions were helpful, regarding the call issue, when you try calling, does it give you an error message? Also when you go to settings>connections>mobile networks, what shows under Network Mode?
Click to expand...
Click to collapse
Hi, thanks for the reply.
When I call a number, it acts and says it is dialing but it is quiet even with speaker on, and after about a minute it hangs up. No error messages appear. Calling the number from another phone goes to voicemail after a couple of rings, as though the number is busy or off. The Network Mode shows as LTE/3G/2G (auto connect). I also noticed that WiFi Calling that showed up with T-Mobile is missing with this setup, so I misspoke previously.

Update and a question on this topic
AEChief said:
Hi, thanks for the reply.
When I call a number, it acts and says it is dialing but it is quiet even with speaker on, and after about a minute it hangs up. No error messages appear. Calling the number from another phone goes to voicemail after a couple of rings, as though the number is busy or off. The Network Mode shows as LTE/3G/2G (auto connect). I also noticed that WiFi Calling that showed up with T-Mobile is missing with this setup, so I misspoke previously.
Click to expand...
Click to collapse
First an update:
So, after I was convinced that the phone was still locked to T-Mobile, I wrote to the seller and they offered to exchange it. I got the second S7 and it is working fine, still T-Mobile but obviously unlocked! Now I am thinking of flashing it with the G930U ROM, but am not sure if it will affect the unlocking.
My question is just that: I assume the boot-loader is locked; then will going to the Samsung unlocked ROM mess things up? And if it happens that I can not call out with it like the first unit, going back to G930T ROM may not bring it back to the current state!
Has anyone have words of wisdom in this regard?

AEChief said:
First an update:
So, after I was convinced that the phone was still locked to T-Mobile, I wrote to the seller and they offered to exchange it. I got the second S7 and it is working fine, still T-Mobile but obviously unlocked! Now I am thinking of flashing it with the G930U ROM, but am not sure if it will affect the unlocking.
My question is just that: I assume the boot-loader is locked; then will going to the Samsung unlocked ROM mess things up? And if it happens that I can not call out with it like the first unit, going back to G930T ROM may not bring it back to the current state!
Has anyone have words of wisdom in this regard?
Click to expand...
Click to collapse
It should not lock the Device, the U firmware should flash just fine, Flashing the U firmware does not affect the boot loader locked state. make sure the device is permanently sim unlocked not temporary unlocked.

Benefits (if any) of unlocked firmware
AEChief said:
First an update:
So, after I was convinced that the phone was still locked to T-Mobile, I wrote to the seller and they offered to exchange it. I got the second S7 and it is working fine, still T-Mobile but obviously unlocked! Now I am thinking of flashing it with the G930U ROM, but am not sure if it will affect the unlocking.
My question is just that: I assume the boot-loader is locked; then will going to the Samsung unlocked ROM mess things up? And if it happens that I can not call out with it like the first unit, going back to G930T ROM may not bring it back to the current state!
Has anyone have words of wisdom in this regard?
Click to expand...
Click to collapse
The major benefit (if any) of U (unlocked/carrierless) firmware (from posts in this and other carrier threads) is the avoidage of carrier-specific applications (which are almost universally regarded as *bloatware*). However, because of scripts written by the talented folks elsewhere on XDA, even the most bloated carrier firmware can be skimmed of bloat without the concern that you could be shooting yourself in the foot by not getting a feature that can be firmware-reliant (such as VoLTE or VoWifi). Further, some carriers (Verizon Wilreless most notably) have a stock-only firmware policy (that is, in fact, the biggest ding I have with Big Red).

S7 Snapdragon (applies to any such)
pitrofilta said:
I've just purchased a used SM-G930VL (Straight Talk) phone on Swappa. I requested the SM-G930U, but they apparently sent the wrong model.
The reason I wanted to SM-G930U model was so I could insert any SIM card and it would work.
Questions (and I'm new to Android as you can probably tell below):
- Is the SM-G930VL Verizon / Straight Talk model usually unlocked to ONLY use any SIM card from Straight Talk or would I be able to use any US carrier?
- Is there a way to put SM-G930U firmware on a SM-G930VL phone and is there an advantage to this?
- Will the SM-G930U firmware unlock the phone in case it's locked to Straight Talk only?
- Can I brick the phone for good if I attempt to Flash it and I do it wrong? or is it always possible to bring the phone back from the dead?
- Is there a recent tutorial on how to make the phone accept any carrier?
I tried using Odin to Flash the phone from SM-G930VL to SM-G930V, but was following a 2 year old YouTube video, so the files were outdated and I was unsuccessful.
The phone is running Android 8.0.0 and Knox 3.1, API level 25.
Click to expand...
Click to collapse
My S7 (Snapdragon model) is not merely ex-Verizon, but one with a blacklisted IMEI on Big Red; the same would apply to any S7 (the gotcha with a blacklisted IMEI is that you can't take the phone back to the carrier that blacklisted the IMEI in question). The ONLY reason why blacklisted IMEIs happen is going to be contract-breakage (which is commonplace with long contracts - more than carriers want to admit). Still, you CAN take a phone with a blacklisted IMEI to another carrier (in my case, I took it to the the T-Mobile side of Tracfone). Other than that, you can go to any carrier.
Since I have been on the Tracfone side of T-Mobile, I have run T-Mobile Nougat, AT&T Mobility beta Oreo, AT&T Mobility Oreo Final, then T-Mobile Oreo - all without changing carriers, and all on the same S7. (You read that right - for at least two months, I ran firmware technically alien to both carrier AND phone - and it mattered to neither.) What has to be pointed out is that - until the b8 firmware, the ONLY carrier that quibbled about firmware is Verizon - and even that does not apply to their MVNOs, such as Tracfone.) Still, you have to wonder, why does Verizon care - especially since no other carrier did - even with phones under contract - until b8 came along - and that is only with the S7 in update-only mode? (It isn't as if Pie were in the offing for the S7.)

PGHammer said:
My S7 (Snapdragon model) is not merely ex-Verizon, but one with a blacklisted IMEI on Big Red; the same would apply to any S7 (the gotcha with a blacklisted IMEI is that you can't take the phone back to the carrier that blacklisted the IMEI in question). The ONLY reason why blacklisted IMEIs happen is going to be contract-breakage (which is commonplace with long contracts - more than carriers want to admit). Still, you CAN take a phone with a blacklisted IMEI to another carrier (in my case, I took it to the the T-Mobile side of Tracfone). Other than that, you can go to any carrier.
Since I have been on the Tracfone side of T-Mobile, I have run T-Mobile Nougat, AT&T Mobility beta Oreo, AT&T Mobility Oreo Final, then T-Mobile Oreo - all without changing carriers, and all on the same S7. (You read that right - for at least two months, I ran firmware technically alien to both carrier AND phone - and it mattered to neither.) What has to be pointed out is that - until the b8 firmware, the ONLY carrier that quibbled about firmware is Verizon - and even that does not apply to their MVNOs, such as Tracfone.) Still, you have to wonder, why does Verizon care - especially since no other carrier did - even with phones under contract - until b8 came along - and that is only with the S7 in update-only mode? (It isn't as if Pie were in the offing for the S7.)
Click to expand...
Click to collapse
(Yeah fkn wish pie was available 8 Is gunna be last forms for the s7.

Can anyone at all help me root this phone? I bought it today from Walmart after reading it could be rooted but my varrient SM-G930VL Straight Talk came preloaded with Android 8.0 and all the guides say they are for android 6.0 please help!!

Related

[info] s3 sch-r530 u/c/m/x

[I'd like to create a thread to collect information for all variants of the R530. I'll update this first post with additional information people give during discussion. Sorry it is here in the Verizon sub, but this is the closest model]
The SCH-R530 is a special flavor of the Samsung Galaxy S3 with sub-favors: (you should probably puke now)
SCH-R530U is a US Cellular variant
SCH-R530C is a Cricket variant
SCH-R530M is a MetroPCS variant
SCH-R530X is a Generic variant
I suspect these are all the same hardware, but just different ROMs. I would like to confirm this.
I would like to know and post the newest firmware versions for each. (at least the names, if not the ROM files themselves) I'd like to know if ROMs are compatible, if modem firmwares are compatible, if bootloaders are compatible. The small community of owners need to pull together as much as possible.
Model -- Hardware Version / Firmware Versions / Baseband
SCH-R530U --
SCH-R530C --
SCH-R530M --
SCH-R530X -- R530X.01 / JSS15J.R530XWWUBMK4 / R530XWWUBMK4
Please post if you can add to this information!
I'm working on my dad's SCH-R530X (Generic CDMA). It was on a regional CDMA provider that he was not happy with -- he paid $500 to them in January for the phone. Edit: Today, he's on PagePlus, but without data for some reason.
Concerns (that someone may be able to help me with):
Once you go to KK 4.4 you can not go back? Your bootloader is updated and will not boot 4.3?
I'm running 4.3, can I root -> replace recovery -> custom ROM ... without tripping the KNOX warranty void? I've read that saferoot will not trip KNOX?
This phone seems to have an odd Call Audio Quality problem. While listening during a phone call (on the R530), the other party's voice cuts out. Specifically, it cuts out when the other person isn't speaking in their mic close enough or loud enough. It's as if the R530 is filtering out anything under a certain volume level. I've turned off Call Equalizer and Noise Reduction to try to solve this problem. I believe I've read people say a firmware/ROM update from US Cellular fixed this problem.
So you can see, I have some constraints: Still in warranty and don't want to void it by tripping KNOX. Want to try a newer firmware for call audio problem. Don't want to brick phone with incompatible firmware, unless US Cellular will work on this X/Generic phone.
Help would be appreciated.
I do have the USC and Cricket variants but the USC version is soft bricked.
HW: R530C.01
Firmware: JSS15J.R530CVVUCMK3
Baseband: R530CVVUCMK3
Also fyi, this and the USC version requires a sim card.
motoyola said:
I do have the USC and Cricket variants but the USC version is soft bricked.
HW: R530C.01
Firmware: JSS15J.R530CVVUCMK3
Baseband: R530CVVUCMK3
Also fyi, this and the USC version requires a sim card.
Click to expand...
Click to collapse
Thanks... I'll add the info. I think I'll make a spot to record if it has a SIM slot too -- as my 530X does not have a SIM slot and was labeled with a little sticker "3G CDMA"... but the MEID starts with a "9" and LTE visible in DFS.
syserr said:
Thanks... I'll add the info. I think I'll make a spot to record if it has a SIM slot too -- as my 530X does not have a SIM slot and was labeled with a little sticker "3G CDMA"... but the MEID starts with a "9" and LTE visible in DFS.
Click to expand...
Click to collapse
I have a regional version of the s3 as well, d2xar (sch-r530x) on Inland Cellular, primarily based in the north west US. as far as i can tell, i havent dissasembled my phone to see if there is a lte radio, in the original build.prop for my phone it is disabled on boot so it will not consume power since it is not being used. thus the 3g cdma only sticker. for the us cellular version i do not know if there is a kitkat firmware but if there is there is always the possiblity you will not beable to go back. as for the generic version it is only on 4.3 right now. eitherway the higher the bootloader version is better for customroms due to recoveries and features working better. as for saferoot i dont remember if it trips the warranty bit or not since ive long since written a custom recover to the device which tripped it but i do know itll make the stock rom list itself as custom in the settings after being rooted. also something to keep in mind with a custom rom is, unless you have the apns for your carrier eg, pageplus, usc, ect. you will not have mms capabilities. Im still tearing my build.prop and apn back up apart to see if i can include some of that info into a custom rom to fix mms, or a recovery that will inject it after a rom flash.
Update?
Lrs121 said:
I have a regional version of the s3 as well, d2xar (sch-r530x) on Inland Cellular, primarily based in the north west US. as far as i can tell, i havent dissasembled my phone to see if there is a lte radio, in the original build.prop for my phone it is disabled on boot so it will not consume power since it is not being used. thus the 3g cdma only sticker. for the us cellular version i do not know if there is a kitkat firmware but if there is there is always the possiblity you will not beable to go back. as for the generic version it is only on 4.3 right now. eitherway the higher the bootloader version is better for customroms due to recoveries and features working better. as for saferoot i dont remember if it trips the warranty bit or not since ive long since written a custom recover to the device which tripped it but i do know itll make the stock rom list itself as custom in the settings after being rooted. also something to keep in mind with a custom rom is, unless you have the apns for your carrier eg, pageplus, usc, ect. you will not have mms capabilities. Im still tearing my build.prop and apn back up apart to see if i can include some of that info into a custom rom to fix mms, or a recovery that will inject it after a rom flash.
Click to expand...
Click to collapse
Any update to this? I have the sticker too and it'd be great to have LTE on since this phone supports it, it seems. I've made this post
http://forum.xda-developers.com/galaxy-s3/general/s3-d2xar-cdma-how-to-set-straight-talk-t3012846
uplusion23 said:
Any update to this? I have the sticker too and it'd be great to have LTE on since this phone supports it, it seems. I've made this post
http://forum.xda-developers.com/galaxy-s3/general/s3-d2xar-cdma-how-to-set-straight-talk-t3012846
Click to expand...
Click to collapse
Last I checked there was a bug with the d2lte builds that break the ability to set apns... I made a cm10.2, I think, build that allowed changing the APN. Um if I remember right the physical design of the d2xar has hardware similar to the Verizon s3. I still don't know if there is an lte modem in the phone since there doesnt seem to be a sim card slot, though there maybe an integrated uicc. I haven't played with it much since I switched to using my nexus 5 on T-Mobile.
Lrs121 said:
Last I checked there was a bug with the d2lte builds that break the ability to set apns... I made a cm10.2, I think, build that allowed changing the APN. Um if I remember right the physical design of the d2xar has hardware similar to the Verizon s3. I still don't know if there is an lte modem in the phone since there doesnt seem to be a sim card slot, though there maybe an integrated uicc. I haven't played with it much since I switched to using my nexus 5 on T-Mobile.
Click to expand...
Click to collapse
I got to the service mode settings, which oddly enough it listed GSM and CDMA. Quite weird. To get there was even weirder. Sadly the D2xar doesn't support TWRP Recovery, and the only one that works is CWM by Philz.
uplusion23 said:
I got to the service mode settings, which oddly enough it listed GSM and CDMA. Quite weird. To get there was even weirder. Sadly the D2xar doesn't support TWRP Recovery, and the only one that works is CWM by Philz.
Click to expand...
Click to collapse
Yah I noticed that to when I was digging around for apns for my old carrier. As for twrp I got around that problem by building my own version using cyanogenmod and the d2lte device files. It made cyanogenmod delta updates possible on the d2lte build. Which are really nice. My source is floating around github, though you'd have to do a little digging to find everything. I do have precompiled twrp images on my webserver that I try to keep up to date for my friend who's brother has the same phone. If you go to my site its safe to ignore the certificate warnings, I have it set to force HTTPS and the reason the warning pops up is because I self signed it instead of paying for a company like verisign
Sorry for my superbly late reply. I've done a ton of digging with this phone. Turns out it only supports Evdo. So no LTE sadly. Even worse, using the Test Menu I can't bands to USA bands, only the (800 or 850?) Hz Global band. I can't get a connection. Well. The bars are listed as 2-3 generally, but it says "Roaming Indicator Off". I have the latest and only baseband, too.
(Wow. After two months of fiddling, as of typing this, I turned on cellular service, which is usually in Airplane mode, I got a " 3G" connection for the first time. Only for a second.)
I don't think I'll be able to switch this over to Straight Talk any time soon, though. I'll check your GitHub soon for that TWRP.
---------- Post added at 11:00 AM ---------- Previous post was at 10:49 AM ----------
uplusion23 said:
Sorry for my superbly late reply. I've done a ton of digging with this phone. Turns out it only supports Evdo. So no LTE sadly. Even worse, using the Test Menu I can't bands to USA bands, only the (800 or 850?) Hz Global band. I can't get a connection. Well. The bars are listed as 2-3 generally, but it says "Roaming Indicator Off". I have the latest and only baseband, too.
(Wow. After two months of fiddling, as of typing this, I turned on cellular service, which is usually in Airplane mode, I got a " 3G" connection for the first time. Only for a second.)
I don't think I'll be able to switch this over to Straight Talk any time soon, though. I'll check your GitHub soon for that TWRP.
Click to expand...
Click to collapse
Yeah, just of now I've been unable to re-acquire the "3G" that caused me to have a boost of hope. Now even when I attempt calling which it usually would bring me to the Verizon automated system, asking to make a collect call, since around here is primarily Verizon, I can't even get it to call. It now states that no mobile network is available, even when I have 2-3 bars.
You have no "3g" because your keys are wrong. Y'all need some QPST and see the whole logon process and baseband messages. Then you can really troubleshoot your phone.
I have a Verizon Samsung Galaxy S3 on the Straight Talk network. I check for software updates and it tells me the software is up to date however it says my phone is running off of 4.4.2 instead of the Lollipop or the one just under. Does anyone know if Lollipop 5.0 or 5.1 has reached the S3 yet? Or how to manually update my phone software so its not so low?
flash a custom rom with 5.x for your model.
nxb said:
flash a custom rom with 5.x for your model.
Click to expand...
Click to collapse
Phone is not rooted so how do I do that? I need or to be updated. My phone doesnt work right on 4.4.2
Sent from my SCH-I535 using XDA Free mobile app
you will have to root, trip knox and lose your warranty... there is no way to go back. on verizon you may be screwed if you have signed/locked bootloaders. search on XDA about unlocked bootloaders for verizon. also: http://androidforums.com/threads/verizon-verizon-bootloader-unlock.856221/
aaaand... make sure to back up your mmc boot partitions so you can debrick if you mess up.
p.s. prepare to learn a lot of technical things. if that sounds annoying and you don't want to spend a lot of time on it you might be better off buying a used phone.
nxb said:
you will have to root, trip knox and lose your warranty... there is no way to go back. on verizon you may be screwed if you have signed/locked bootloaders. search on XDA about unlocked bootloaders for verizon. also: http://androidforums.com/threads/verizon-verizon-bootloader-unlock.856221/
aaaand... make sure to back up your mmc boot partitions so you can debrick if you mess up.
p.s. prepare to learn a lot of technical things. if that sounds annoying and you don't want to spend a lot of time on it you might be better off buying a used phone.
Click to expand...
Click to collapse
I'm not using Verizon. I'm using straight talk on a Verizon phone
Sent from my SCH-I535 using XDA Free mobile app
ST only has GSM AT&T and CDMA verizon... if you have an I535 past 4.3 you have locked bootloader problems.
Needing the pit file for the SCH-R530C. PLEASE! I am at the end of my tether. Thank you in advance, DaMoose
DaMoose517 said:
Needing the pit file for the SCH-R530C. PLEASE! I am at the end of my tether. Thank you in advance, DaMoose
Click to expand...
Click to collapse
Do you have any idea if the 530c and the 530x share a similar partition table? If they do then I can pull the one from my 530x
Lrs121 said:
Do you have any idea if the 530c and the 530x share a similar partition table? If they do then I can pull the one from my 530x
Click to expand...
Click to collapse
I do not know. I'd love to take the chance, but the risk of totally bricking the R530C is there . . . heck, let me try it.

Can I use an ATT S8+ on Verizon's network?

Hi,
I was recently gifted an unlocked ATT S8+ (SM-G955U) which I'm trying to activate to my Verizon account. I've read conflicting information about this, and after going to the Verizon store and calling them directly I'm thoroughly confused.
The rep on the phone told me that the phone is "incompatible" with their network based on the IMEI number. From what I gather, the hardware (and model numbers) on all the major carrier's S8+s are the same and simply have different firmware. I've also read that they're interchangeable. Has anyone successfully gotten the ATT S8+ on Verizon? I'm almost feeling like it's something where I would need to jump through more hoops and speak to a manager to get them to do it, but before I did I wanted to get others input. Thanks!
I heard that the phone will work, you'll need to flash the Verizon firmware onto the AT&T phone.
Thanks Richie. Do you think that Verizon is telling me that the IMEI is "incompatible" because I may need to flash another firmware to enable CDMA? Or are some versions of the S4+ really incompatible on their network.
May there be possible success to get them to activate it anyway?
kebas239 said:
Hi,
I was recently gifted an unlocked ATT S8+ (SM-G955U) which I'm trying to activate to my Verizon account. I've read conflicting information about this, and after going to the Verizon store and calling them directly I'm thoroughly confused.
The rep on the phone told me that the phone is "incompatible" with their network based on the IMEI number. From what I gather, the hardware (and model numbers) on all the major carrier's S8+s are the same and simply have different firmware. I've also read that they're interchangeable. Has anyone successfully gotten the ATT S8+ on Verizon? I'm almost feeling like it's something where I would need to jump through more hoops and speak to a manager to get them to do it, but before I did I wanted to get others input. Thanks!
Click to expand...
Click to collapse
kebas239 said:
Thanks Richie. Do you think that Verizon is telling me that the IMEI is "incompatible" because I may need to flash another firmware to enable CDMA? Or are some versions of the S4+ really incompatible on their network.
May there be possible success to get them to activate it anyway?
Click to expand...
Click to collapse
Do you already have an active Verizon SIM card? Like in another phone?
Mr. Orange 645 said:
Do you already have an active Verizon SIM card? Like in another phone?
Click to expand...
Click to collapse
I do not - only because I'm coming from an S4 (which has the larger SIM card). I had to get a new one.
kebas239 said:
Hi,
I was recently gifted an unlocked ATT S8+ (SM-G955U) which I'm trying to activate to my Verizon account. I've read conflicting information about this, and after going to the Verizon store and calling them directly I'm thoroughly confused.
The rep on the phone told me that the phone is "incompatible" with their network based on the IMEI number. From what I gather, the hardware (and model numbers) on all the major carrier's S8+s are the same and simply have different firmware. I've also read that they're interchangeable. Has anyone successfully gotten the ATT S8+ on Verizon? I'm almost feeling like it's something where I would need to jump through more hoops and speak to a manager to get them to do it, but before I did I wanted to get others input. Thanks!
Click to expand...
Click to collapse
The IMEI thing and Verizon not provisioning your phone to activate on their network is the ONLY obstacle you have.
All the US S8/S8+/Note8 variants are identical and can be cross-flashed to whatever carrier you want. You can easily grab the VZW firmware and flash it on to your AT&T device, fully converting it, however the IMEI won't be in Verizon's system since your particular phone wasn't sold by Verizon.
Somehow get around that and your phone will be fully compatible on VZWs network.
kebas239 said:
Thanks Richie. Do you think that Verizon is telling me that the IMEI is "incompatible" because I may need to flash another firmware to enable CDMA? Or are some versions of the S4+ really incompatible on their network.
May there be possible success to get them to activate it anyway?
Click to expand...
Click to collapse
Don't worry about what Verizon reps are telling you because most often than not they are following a standard procedure. And they only Input your IMEI into a service like this one:https://www.verizonwireless.com/bring-your-own-device/#checkDevice
As your IMEI is for an AT&T phone, the brand model has an A appended at the end (as in AT&T).
However, you should still investigate this issue and try the steps recommended by the other guys. You will be able to use your phone with a VZV sim without reaching to Verizon
kebas239 said:
Hi,
I was recently gifted an unlocked ATT S8+ (SM-G955U) which I'm trying to activate to my Verizon account. I've read conflicting information about this, and after going to the Verizon store and calling them directly I'm thoroughly confused.
The rep on the phone told me that the phone is "incompatible" with their network based on the IMEI number. From what I gather, the hardware (and model numbers) on all the major carrier's S8+s are the same and simply have different firmware. I've also read that they're interchangeable. Has anyone successfully gotten the ATT S8+ on Verizon? I'm almost feeling like it's something where I would need to jump through more hoops and speak to a manager to get them to do it, but before I did I wanted to get others input. Thanks!
Click to expand...
Click to collapse
I have an AT&T S8 + on Verizon's network, had to unlock the phone, I did flash VZV firmware.
Works for me.
Thanks all for the responses! So it does look like I can do it then, but I just need to get Verizon to activate the new SIM. Think if I could find another phone that's compatible, throw the SIM in, activate, then switch the SIM to the S8+ it would work? (Assuming I've flashed the Verizon firmware on it).
Also, I'm trying to find out how to flash the phone properly. I don't really need root, but I'll take it if its easy. Thinking in my scenario, I'd follow this thread, correct?
https://forum.xda-developers.com/ve...opment/rom-s8-allcarriersrootedstock-t3659232
kebas239 said:
Thanks all for the responses! So it does look like I can do it then, but I just need to get Verizon to activate the new SIM. Think if I could find another phone that's compatible, throw the SIM in, activate, then switch the SIM to the S8+ it would work? (Assuming I've flashed the Verizon firmware on it).
Also, I'm trying to find out how to flash the phone properly. I don't really need root, but I'll take it if its easy. Thinking in my scenario, I'd follow this thread, correct?
https://forum.xda-developers.com/ve...opment/rom-s8-allcarriersrootedstock-t3659232
Click to expand...
Click to collapse
Yes, if you can get VZW to activate a nano SIM then all you have to do is pop it in your S8+, and it will work perfectly.
You don't HAVE to flash the Verizon firmware, but you'll won't be able to use certain features such as VoLTE and WiFi calling with the ATT firmware, so I recommend it. Not a necessity though.
To change carrier firmware, follow this thread:
https://forum.xda-developers.com/galaxy-s8+/how-to/snap-guide-flashing-standard-fw-carrier-t3627255
Can't help you with rooting. Sorry, I stopped rooting my phones long ago.
Mr. Orange 645 said:
Yes, if you can get VZW to activate a nano SIM then all you have to do is pop it in your S8+, and it will work perfectly.
You don't HAVE to flash the Verizon firmware, but you'll won't be able to use certain features such as VoLTE and WiFi calling with the ATT firmware, so I recommend it. Not a necessity though.
To change carrier firmware, follow this thread:
https://forum.xda-developers.com/galaxy-s8+/how-to/snap-guide-flashing-standard-fw-carrier-t3627255
Can't help you with rooting. Sorry, I stopped rooting my phones long ago.
Click to expand...
Click to collapse
This is great information! I'll call back Verizon and knowing all this I have something to back myself up with to at least try to convince them to activate the SIM (if not, I'll find a temporary phone to activate).
Thank you (and everyone else) for all the help!
I was able to get Verizon to activate the SIM and IMEI of the new S8. When I checked my account online to verify, it shows the correct numbers. Unfortunately, the phone is still not able to make calls or connect to the mobile network.
Following this, I rooted and flashed a deodexed stock ROM/firmware that is compatible with all carriers. This made no difference in the issue.
On the status bar, normal reception for my area is shown. There is no data (LTE/3G, etc.) connection, however. In looking at the APN settings, there are multiple Verizon options to choose. "Verizon Internet" (VZWINTERNET) is what is selected. Under the network operators, Automatic is selected. I tried changing it to Manual, but I do not get an option to select Verizon. Only ATT or T-Mobile. Under SIM Card Status, It's says that I'm on an unknown network.
Any ideas on what I could do to diagnose this? Sorry for all the questions, but I want to be able to get this phone to work so bad!
Thanks!
Success! I was about to give up, but decided to try a few more things.
1) To register a new SIM on VZW, it needs to initially go into a VZW based phone to work correctly. Once doing this, I saw some changes:
- I could now see my phone number.
- Verizon was an option under the network operators setting.
This did not solve my problem, however, as I still could not connect to the network. When selecting VZW, the request would fail and say to try again later. So onto the next (and last!) thing I did...
2) Download VZW firmware and flash via ODEN (The Comsey version, but I don't think that matters). I added the BL, AP, CP & CSC (included in the zip file) using the default options. I found this firmware at the below link and grabbed the latest version. The download was very slow for me (I had to run it overnight), but numerous posters stated that they are a reliable source so I took a chance.
https://www.sammobile.com/firmwares/galaxy-s8-plus/SM-G955U1/VZW/download/G955U1UES2AQL1/201500/
I'm just so glad everything is working now. Thank you so much to all who have responded to the thread to guide me in the right direction! Hope this helps someone else who may be having the same trouble.

Flashed G930T firmware onto G930V - phone locked?

I have a G930V and recently switched from Verizon to T-Mobile. I flashed the phone firmware to G930T so WiFi calling, VoLTE, and visual voicemail would work. After doing that, it seems the phone is now locked to the T-Mobile network - even though it was never locked on Verizon.
I wanted to de-bloat the phone and try G930U - but can I do that if the phone is locked now? Do I need to somehow unlock the phone first? Or is it only locked to the T-Mobile sim?
Also - If I switch to G930U, what will I lose other than bloatware? Just OTA updates? Do I have to do anything special to enable Advanced Messaging, Visual Voicemail, WiFi Calling, and VoLTE?
Mr_Transistor said:
I have a G930V and recently switched from Verizon to T-Mobile. I flashed the phone firmware to G930T so WiFi calling, VoLTE, and visual voicemail would work. After doing that, it seems the phone is now locked to the T-Mobile network - even though it was never locked on Verizon.
I wanted to de-bloat the phone and try G930U - but can I do that if the phone is locked now? Do I need to somehow unlock the phone first? Or is it only locked to the T-Mobile sim?
Also - If I switch to G930U, what will I lose other than bloatware? Just OTA updates? Do I have to do anything special to enable Advanced Messaging, Visual Voicemail, WiFi Calling, and VoLTE?
Click to expand...
Click to collapse
Are you "network-locked"? or have a different sort of issue? I have a ex-VZW S7; however, due to the previous owner, I was "network-locked" - and thus could NOT take the phone back to VZW (the phone's original network). I am a Tracfone customer; therefore, I COULD take the phone to T-Mobile (Tracfone uses both networks). My misgivings were, in fact, entirely due to previous experiences using T-Mobile's network (with Tracfone, Safelink Wireless, and Virgin Mobile USA. After porting the IMEI, I prayed and did the firmware change (both were flawless. Rather amusingly, my service has ALSO been flawless - better than it has previously been as a T-Mobile-MVNO customer - unexpected, to say the least. I went from swearing AT Trafcone (and T-Mobile) to swearing by them (and eating a heaping helping of CROW in the process) - when I'm wrong, I'm wrong. I've had VoLTE (and VoWiFi as well) since I've been on the Pink side of things - if you want updates, you want T-Mobile firmware, though. (I'm running Project L V.4 and knew going in I'd lose OTAs - if you'rer comfortable with that, that may be an option for you. If you're nervous, grab the latest T-Mobile ODIN TAR (it has its own thread) and flash that - the firmware is un-fooled-around with. Extract and flash with ODIN as normal.
Verizon S7 phones are not locked, period. There are instructions on how to put Tmobile rom on the phone. We have done 2 and both were easy and worked flawlessly. Wifi Calling and LTE
hankvb said:
Verizon S7 phones are not locked, period. There are instructions on how to put Tmobile rom on the phone. We have done 2 and both were easy and worked flawlessly. Wifi Calling and LTE
Click to expand...
Click to collapse
I know it is not locked as a Verizon phone. I am an talking about going BACK to 930V after flashing 930T. It appears to be network locked now...
I had the same issue. After changing the phone from a sm-930v to a sm-930t I placed a verizon sim in the phone and the carrier told me the device was network locked to T-Mobile. I used the T-Mobile unlock app and requested a carrier unlock. The message said, "phone permenantly unlocked." I am using a ATT sim card with Tracfone with no problems. By default Verizon phones are unlocked after 90 days if there are no pending contract issues. I think the T-Mobile carrier lock may depend upon the firmware you flash. You may want to wipe the data and try a different version.

How to have the T-Mobile SIM Card recognized in the Unlocked Sprint S7?

Was on Sprint and decided to change to T-Mobile and now the new T-Mobile SIM Card is unrecognizable/unable to register. This means I am left with no Data/Voice/Text. Checked on a T-Mobile S9 to verify its not the actual card. Works flawlesly, so its not the actual SIM Card itself. 3 months back and forth on and off wrestling with both carriers. Sprint claims device to be Unlocked. T-Mobile claims that its impossible because it sais "device not registered" when I try to make a call. They assured me that this happens only if its locked. Sprint has claimed various times that my S7 (non edge) version is Unlocked for both Domestic and International. Phone was rooted. I was so angry at Sprint you wouldn't even believe it.
Tried flashing T-Mobile FW as the internet suggested. Got it to work and remove the Sprint logo from startup and the super annoying "hands on activation" every 5 minutes thanks to the T-Mobile FW. Problem is that it still does not recognize the SIM Card. Went back to Sprint FW because Sprint rep number zillion said I needed to do a profile update in order to make sure that it got correctly unlocked. I couldnt do this because I had the T-Mobile FW (Oreo 8.0 SM-G930T G930TUVS8CRL1_G930TTMB8CRL1_TMB) and it does not even allow you to do the usual System Updates nor does it allow you to even edit APN's. So I tried to go back to Sprint FW from SamMobile Official (SM-G930P_1_20181203144853_tiy1p0tkd7_fac) and actually got it all installed (all binaries) and now the phone does not display the Sim Card "error" icon on the top left nor the circle crossed icon on the top right. Problem now is that the phone automatically power-cycles in about 2-3 minutes after we start the usual "First Time Use" sequence where you fill your Google User Name and Password and sign the EULA, other first time things, etc. I can't just put in my Sprint SIM Card because I threw that one away as I unsuspected that it would be necessary in order to maybe try to use it to get it past the 2 minute barrier on going back to Sprint FW. Next step would be to take it to a Sprint store and have a Sprint SIM Card inside the phone and see if the 2 minute barrier doesn't happen so I can do this new "Profile Update".
I then tried flashing what I believe to be the non carrier specific official non bloatware Samsung FW SM-G930U. Now the issue is that the version I downloaded from these forums (https://forum.xda-developers.com/galaxy-s7/how-to/g930u-official-stock-firmware-android-8-t3821152) was not able to flash anything but the CP. So Im now going to try the latest SM-G930U which does have the updated BL.
Checked out the forums for T-Mobile and they all assume you can at least edit APN's and have some sort of connectivity. I can't even get my SIM Card working AT ALL. Can't edit APN's because the Sprint FW auto resets every 2 minutes in the new user thing and the T-Mobile FW does not even have the ability to do so. Tried starting on Safe Mode, tried removing the Sim Card and discovered phone wont even boot without it.
Will now continue to check out the SM-G930U latest FW in hopes that this will in fact allow me to flash the non carrier specific binaries which I assume should be able to fix the problem. Trying out https://forum.xda-developers.com/sp...0u-firmware-bootloader-update-device-t3863219. At SamMobile (https://www.sammobile.com/firmwares/galaxy-s7/SM-G930U/BST/download/G930UUES8CSA1/255180/) theres like a zillion to choose from. Any suggestions?
Been getting the fused 8 binary 2 (and other numbers) glitch a couple of times when trying to flash anything. I assume this is due to the BL. Heard QualComm S7's were invincible and I'm afraid its a QualComm because it sais QualComm SecureBoot: ENABLE on the top right of the ODIN Download screen.
Top Right of Download screen:
ODIN MODE (HIGH SPEED)
PRODUCT NAME: SM-G930T
CURRENT BINARY: Samsung Official
FAP LOCK: OFF
WARRANTY VOID: 0x0
QUALCOMM SECUREBOOT: ENABLE
AP SWREV: BB(2, 1, 1, 1, 1) K8 S8
SECURE DOWNLOAD: ENABLE
You have any suggestions or insight as to how to have the T-Mobile SIM Card recognized in the unlocked Sprint S7?
nadiawicket said:
Was on Sprint and decided to change to T-Mobile and now the new T-Mobile SIM Card is unrecognizable/unable to register. This means I am left with no Data/Voice/Text. Checked on a T-Mobile S9 to verify its not the actual card. Works flawlesly, so its not the actual SIM Card itself. 3 months back and forth on and off wrestling with both carriers. Sprint claims device to be Unlocked. T-Mobile claims that its impossible because it sais "device not registered" when I try to make a call. They assured me that this happens only if its locked. Sprint has claimed various times that my S7 (non edge) version is Unlocked for both Domestic and International. Phone was rooted. I was so angry at Sprint you wouldn't even believe it.
Tried flashing T-Mobile FW as the internet suggested. Got it to work and remove the Sprint logo from startup and the super annoying "hands on activation" every 5 minutes thanks to the T-Mobile FW. Problem is that it still does not recognize the SIM Card. Went back to Sprint FW because Sprint rep number zillion said I needed to do a profile update in order to make sure that it got correctly unlocked. I couldnt do this because I had the T-Mobile FW (Oreo 8.0 SM-G930T G930TUVS8CRL1_G930TTMB8CRL1_TMB) and it does not even allow you to do the usual System Updates nor does it allow you to even edit APN's. So I tried to go back to Sprint FW from SamMobile Official (SM-G930P_1_20181203144853_tiy1p0tkd7_fac) and actually got it all installed (all binaries) and now the phone does not display the Sim Card "error" icon on the top left nor the circle crossed icon on the top right. Problem now is that the phone automatically power-cycles in about 2-3 minutes after we start the usual "First Time Use" sequence where you fill your Google User Name and Password and sign the EULA, other first time things, etc. I can't just put in my Sprint SIM Card because I threw that one away as I unsuspected that it would be necessary in order to maybe try to use it to get it past the 2 minute barrier on going back to Sprint FW. Next step would be to take it to a Sprint store and have a Sprint SIM Card inside the phone and see if the 2 minute barrier doesn't happen so I can do this new "Profile Update".
I then tried flashing what I believe to be the non carrier specific official non bloatware Samsung FW SM-G930U. Now the issue is that the version I downloaded from these forums (https://forum.xda-developers.com/galaxy-s7/how-to/g930u-official-stock-firmware-android-8-t3821152) was not able to flash anything but the CP. So Im now going to try the latest SM-G930U which does have the updated BL.
Checked out the forums for T-Mobile and they all assume you can at least edit APN's and have some sort of connectivity. I can't even get my SIM Card working AT ALL. Can't edit APN's because the Sprint FW auto resets every 2 minutes in the new user thing and the T-Mobile FW does not even have the ability to do so. Tried starting on Safe Mode, tried removing the Sim Card and discovered phone wont even boot without it.
Will now continue to check out the SM-G930U latest FW in hopes that this will in fact allow me to flash the non carrier specific binaries which I assume should be able to fix the problem. Trying out https://forum.xda-developers.com/sp...0u-firmware-bootloader-update-device-t3863219. At SamMobile (https://www.sammobile.com/firmwares/galaxy-s7/SM-G930U/BST/download/G930UUES8CSA1/255180/) theres like a zillion to choose from. Any suggestions?
Been getting the fused 8 binary 2 (and other numbers) glitch a couple of times when trying to flash anything. I assume this is due to the BL. Heard QualComm S7's were invincible and I'm afraid its a QualComm because it sais QualComm SecureBoot: ENABLE on the top right of the ODIN Download screen.
Top Right of Download screen:
ODIN MODE (HIGH SPEED)
PRODUCT NAME: SM-G930T
CURRENT BINARY: Samsung Official
FAP LOCK: OFF
WARRANTY VOID: 0x0
QUALCOMM SECUREBOOT: ENABLE
AP SWREV: BB(2, 1, 1, 1, 1) K8 S8
SECURE DOWNLOAD: ENABLE
You have any suggestions or insight as to how to have the T-Mobile SIM Card recognized in the unlocked Sprint S7?
Click to expand...
Click to collapse
Hello
As far as i know you still cannot unlock the Qualcomm boot loader, many have tried and failed and no one is working on this anymore since most S7's sold are Exynos. Samsung did a right ****ty deal with the US networks hence it's so difficult to get these phones to work on another network.
Not only is it just a question of unlocking the Boot Loader the sneaky bastards of US networks has the firmware on the devices constantly checking its official and on the right network, this is why the phone will not work correctly even after flashing unbranded firmware. It's all down to the boot loader and the qualcomm chip.
There is a way to release your phone from it's prison and that is to change the mother board to a Exynos one, apparently this has been successful and the phone will work on any US network. It's a tricky process but it can be done but remember to create an image of your existing EFS partition to flash with TWRP to the new mother board otherwise you will have issues with the phone registering on the network.
cooltt said:
Hello
As far as i know you still cannot unlock the Qualcomm boot loader, many have tried and failed and no one is working on this anymore since most S7's sold are Exynos. Samsung did a right ****ty deal with the US networks hence it's so difficult to get these phones to work on another network.
Not only is it just a question of unlocking the Boot Loader the sneaky bastards of US networks has the firmware on the devices constantly checking its official and on the right network, this is why the phone will not work correctly even after flashing unbranded firmware. It's all down to the boot loader and the qualcomm chip.
There is a way to release your phone from it's prison and that is to change the mother board to a Exynos one, apparently this has been successful and the phone will work on any US network. It's a tricky process but it can be done but remember to create an image of your existing EFS partition to flash with TWRP to the new mother board otherwise you will have issues with the phone registering on the network.
Click to expand...
Click to collapse
So basically I have to get an Exynos version, remove the mother board, and install it on the Qualcomm one.
Why not use the Exynos one instead if I'm going to have to acquire one anyway to do all of this? Where can I get these motherboards without the phones anyway?
Last "carrier" phone I'm buying ever. Next is a Linux Librem phone or non carrier specific type phones strictly.
This is ridiculous. These multi billion dollar corporations essentially just put a virus on your phone and you got to be lucky someone on XDA hacks it or you've been legally locked out of your own hardware; scammed by "your" carrier and that's it. Its completely disgusting they have to try to squeeze every last penny out of all of their victims after they have already so much money.
Its like YouTube wanting to charge 2 dollars a month so you can turn off your screen while watching a video (YouTube Red). Alphabet (company that owns YouTube) is well in the 1 Trillion Dollar net worth range already, but they still need to use these hardcore guerrilla tactics against their "clients" at expense of their physical health to squeeze every last penny out of them like their life depended on it. Phone screen left on generates palpable air-wave toxicity (and pollution for planet as a side effect) as I can personally feel it giving me a headache more than when its turned off.
At least with PC issues you can just format and restart. Imagine if PC manufacturers were like this. Vomitose.
Dell won't claim its "their computer" (like the phone carriers do) as an excuse to lock you out of your own paid hardware if you want to change something you don't like about *your* computer.
I literally remember one of the Sprint reps literally mocking me on the phone snarkily reiterating that it was "Their Phone" as she laughed me off to hold again. We have to basically suck up their corporate legal abuse and let em sort out in hell.
We luckily have a boot looped Optimus phone lying around the house I'm now having to fall back to. Hopefully the carrier did not place an untamed virus on that one.
**** Sprint and every large corporation trying that hard to legally scam their own clients/victims to squeeze out every single last penny out of them like this. **** this "planet" and the "legal system" that allows this. **** the system carrier virus.
nadiawicket said:
So basically I have to get an Exynos version, remove the mother board, and install it on the Qualcomm one.
Why not use the Exynos one instead if I'm going to have to acquire one anyway to do all of this? Where can I get these motherboards without the phones anyway?
Click to expand...
Click to collapse
I repair S7's on a daily basis, and can tell you that while the mother boards on the G93xU and G93xF are physically identical, if you swap them into the opposite model's case, you will get a MIPI Fail error (will loose signal) under the test command *#0#* due to the charging port/antenna boards being different. And you can't swap those boards either because parts of it are tucked under the screen (unless you're willing to break a screen.

Samsung A515F unlocked TPA to AT&T USA, what to expect?

I'd like to get Wifi calling, Visual Voicemail, and 4g on an unlocked A515F.
As of now the phone reports itself as this:
Baseband A51FXXU3BTH5
Service provider (stuff) TPA TPA TPA TPA
Network AT&T
Moble network state disconnected
Service in service
IMS not registered
Mobile voice LTE
Mobile data LTE
VoLTE seems to be on? I thought this doesn't work on unlocked phones.
Being new to this the providers are all over the map on all kinds of stuff regarding unlocked phones. (AT&T rant I'm sure many of you have been here Grrrr.)
Network mode auto is LTE/3G/2G, there is no 4G option (as I believe in my research is how it is with unlocked phones)
So, I suppose the question is, if I follow the steps outlined in this thread:
https://forum.xda-developers.com/galaxy-a51/how-to/guide-how-to-change-csc-a51-t4129243
and flash the AT&T firmware, will I get 4G, Visual voicemail, and WiFi calling? As well as whatever the heck ATT disables for unlocked devices.
Will this require another trip to the store and a 4G SIM put in there?
New to this, but I have tried to research this as much as I could. Thanks for all the info.
Steve
Forum?
Have I put this in the wrong sub forum? Should it be in the firmware flashing forum?
First don't need to flash anything unless you want to waste your time with bloatware.
What you have to look into for your service desires, is do you have wifi in your service plan? If yes, did you activate it on the A51 you are using? (Also make sure your sim card is sim 1)
Also you don't have to use any provider's visual voicemail to get it for your phone. I've used YouMail for about 2 decades.
As far as lte & 4G. My phone is from same csc TPA TPA/TPA. I've seen both 4G & 4G LTE on my service. So your question about that was a little vague. But U.S. providers (at&t or tmo) won't tell you 90% of the time that you have to get 4G LTE sim card & pay for a 4G LTE service plan on order to get it.
Thanks for the reply.
It's sim 1. IMS not registered my be the issue, ill call ATT tomorrow.
I've been able to get visual voicemail back by installing the APK. The play store says it is not compatible with my device, APK was fine. I will check and try what you suggested.
Yeah, it might get a few chuckles here but i've had a S5 for years, and replaced it 3 times with ebay s5's. Love it. Initally i just popped my old iphone 4 sim in there and used it forever. I never had wifi calling and when i attempted to enable it it said the sim was the problem.
Imagine my surprise after going to the store and getting the proper sim i see the 4g icon appear and wifi calling, etc. All these were ATT firmware phones, on power the logo pops up, bloatware, etc on the S5's. Miss it already. What am i going to do with all these batteries and chargers?
This has been a different thing. Being in the States, not traveling overseas (at this time i believe no one will have us anyway) and this unlocked phone. As far as bloatware goes, its still kinda there in one way or another. Clicking on a link within chrome forces samsung internet every once in a while. Yeah, there is no real extra stuff on the device as it is. Its just weird.
Getting a sim for this at the store took a little more time then I thought it would. The employee was checking out the phone for a little longer then just handing me a sim.
I've changed the APN, possibly to the incorrect settings, to get 4g and wifi calling bacK. But that seemed to knock out any mobile data. Granted I may have entered the wrong settings. I'll look for others.
What's really confusing is the lack of these things. Is this phone cabible of 4g in the hardware? Wifi calling seems to be a forced ATT unlocked thing.
Sorry, long winded. This article states that when I am seeing the 3g lte it is really 4g.
Egads, link without 10 posts wont let happen. It's the B&H photo article regarding unlocked phones.
The wireless calling is not happening. Is this inherent to unlocked phones on ATT? VoLTE is on as far as the settings tell me. I'll poke around some more.
Many thanks
Steve
4g was on the S5 so i would assume it was part of the plan. Switching to the nano sim A51 should not knock that out.
I've read so many posts here, as i know my questions are pretty basic compared to other discussions, so thanks again.
If you'd like to discuss the numerology hidden in octal permissions let me know
If there was a screenshot of the mobile networks
Data roaming off
VoLTE SIM1 On
LTE/3G/2G (auto connect) checked
3G/2G (auto connect)
3G only
2G only
Yeah, I just bricked it ish. Tried the A51U-1 At&T firmware USA. I'm downloading the Italian Samsung firmware to get it back I hope. "Only official binaries are allowed".
The phone was in emergency mode and showing the PIT error with the A51U1 firmware.
The Italian firmware set uploaded fine. Now only it only shows a white circle with the little lightning bolt inside if connected to a usb cable. Computer wont recognize it. Resetting it vol down and power/bixby key turns the display off for a sec but it comes right back to the same thing. This is bricked huh. Any ideas?
Holy cow I held the vol down buxby bixby button down as I removed the usb cable I am getting the factory data reset screen. Maybe there is hope.
Yeah same thing again. If anyone has this issue you can at least get back to factory reset by holding the buttons and quickly yanking the USB cable out when the charging logo disappears.
-edit again
Recovery mode vol down + power. When it blanks keep the power button down and push vol up.
I wonder what to try in the choices.
Wipe cache?
Reboot to bootloader?
Im looking at the last log there is a whole lot going on. At about 80% of it is shows a ******FILE SYSTEM MODIFIED****, then it looks like its setting the octal permissions on a bunch of stuff, then it looks like it cant find /etc/firmware/calliope_sram.bin and from a bunch of other places in the filesystem.
After about 87% it looks like it is basically describing how it is displaying the recovery mode screen.
Displayed is samsung/a51nsxx/a5111/RP1A.200720.012/A51FXXU4EUC8
The phone came as an A51F. Was trying to flash to A51U1(ATT).
-Edit again.
I have hope for this but I am aware I am a flippin second from bricking the device. Any input is highly appreciated.
Steve
I will attempt this if I can find the download screen,
[RECOVERY] TWRP For Samsung Galaxy A51 SM-A515F One UI 3.0 DUB1 Android 11
Assalom-o-Alaikum! How to Root and Flash TWRP on Samsung Galaxy A51 SM-A515F Android 11 – Build number DUB1 – Android security patch level: February 1, 2021. The TWRP version is 3.5.0 developed and brought to you by [email protected] senior...
forum.xda-developers.com
looks like is TPA for Panama, Downloading firmware through Samsung firmware downloader. But I would like the USA ATT firmware so I can have 4g and wifi calling. OMG Im gonna brick this thing.
Reboot computer and phone reboots into Cyrillic I find this rather funny at this point. But it is the phone setup screen and routine.
edit-- Hilarious. Didn't even install the Panama TPA firmware unless Samsung Firmware Downloader did it by itself while I was taking a nap. Cyrillic boot? looks like it is on the network at least I think can talk to someone been a lonely couple of days.
edit again== This is a linux computer that can make phone calls. WTF is the deal here. Really? All this stuff? I'm exploring all the custom ROMs and whatnot here in the forums. All I wanted was 4G and wifi calling. That is what my S5 did and I loved it. The S5. Flippin old phone but a fun one. Thousands of dollars to ATT over the years and they wont turn this phone to 4g on for me?
Thanks for everyone that has put effort into this that is amazing I really cant thank you enough.
edit yet again. Maybe flashing the firmware I have to wait for a couple of hours for it to fire up? I am assuming everything I am doing is wrong.
Can do... https://forum.xda-developers.com/t/guide-how-to-change-csc-on-a51.4129243/
LOL welcome to Yandex love from Los Angeles xoxoxoxo. Veppine miatsen? Ya gavira pa Ruski?
Well I see the LTE and 4G icon at times now, Dunno about wifi calling tho.
Network AT&T
Mobile network state Disconnected
Service state In service
IMS registration state Not registered
Voice and network type LTE
Also android 11 I may have been 10 before?
No bloatware but the Yandex stuff.
No ATT logo on startup.
Again thanks for all your work and knowledge on this stuff, I'll poke around some more and see what firmware is actually on there. It says SM-A515F/DS.
Oh! A515FXXU4EUC8.
SER/SER,SER/TPA
Again thanks - ramblings form a newbie.
SER CSC, well that explains Yandex.
adeptustech said:
First don't need to flash anything unless you want to waste your time with bloatware.
What you have to look into for your service desires, is do you have wifi in your service plan? If yes, did you activate it on the A51 you are using? (Also make sure your sim card is sim 1)
Also you don't have to use any provider's visual voicemail to get it for your phone. I've used YouMail for about 2 decades.
As far as lte & 4G. My phone is from same csc TPA TPA/TPA. I've seen both 4G & 4G LTE on my service. So your question about that was a little vague. But U.S. providers (at&t or tmo) won't tell you 90% of the time that you have to get 4G LTE sim card & pay for a 4G LTE service plan on order to get it.
Click to expand...
Click to collapse
Welp, now
A515FXXU4EUC8.
SER/SER,SER/TPA
Twrp as ap.
Force encrypt,
Magisk,
Then what? Odin U or U1 firmware wont that overwrite ap? Agh.
Extract PIT from the working firmware and pit tab? Agh.
Consider myself lucky running SER TPA firmware?
Am I about to trip Knox?
Welp, getting the 3G going away feb 2022 messages from ATT even though it does display the little 4G icon at times. Called Att they say they can see the imei. They say sending a new phone. Not an a51 who knows. Most likely some thing that up the account to $100 a month.
Be warned the you will loose everything is real on firmware flashing but weird. Thought i copied the entire filesysyem but things dropped out
.
This is an old model phone so i understand and my first shot at flashing it. Probably try again as i think i did not flash the u1 correctly. Still can talk, text, whatever. Frustrating, old phone, who cares.
Ah they sent me a S10e for free no complaints. Ill try the att a51 firmware again nothing to loose at this point see what happens and follow the guides.

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