[FIRMWARE] G950U1 Unlocked AT&T QK2 - AT&T Samsung Galaxy S8 Guides, News, & Discussion

As of this writing (11/29/2017) this is the latest firmware for the G950U1 att unlocked S8 . I'm leaving this here for reference so people can return to it if/when they need it.
Download, extract, remove .md5 file name off the end of each file, flash.
G950U1UEU2AQK2 (This WILL update your bootloader so after this, no going to QH3 or before. Not that you'd have a reason to)
https://drive.google.com/open?id=1gvQ0kaZTwbEYe2jvuIa05pCvwkS4ddtg

joe3681 said:
As of this writing (11/29/2017) this is the latest firmware for the G950U1 att unlocked S8 . I'm leaving this here for reference so people can return to it if/when they need it.
Download, extract, remove .md5 file name off the end of each file, flash.
G950U1UEU2AQK2 (This WILL update your bootloader so after this, no going to QH3 or before. Not that you'd have a reason to)
https://drive.google.com/open?id=1gvQ0kaZTwbEYe2jvuIa05pCvwkS4ddtg
Click to expand...
Click to collapse
you donnt need to remove the .md5
you will need modded odin though.

mweinbach said:
you donnt need to remove the .md5
you will need modded odin though.
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Click to collapse
You don't need to no, but it speeds up the process. I'm just posting firmware not making a hand holding tutorial. There's enough of those around

Thanks Joe I was tired of returning all the way back to the beginning and getting all those new updates on my unlocked S8

joe3681 said:
You don't need to no, but it speeds up the process. I'm just posting firmware not making a hand holding tutorial. There's enough of those around
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Yeah and on a Mac you do need to, or it freezes Odin completely

If I flash unbranded FW on a carrier specific device, loke tmo or att for example, would it sim unlock the phone?
If I flash tmo FW on an att s8 would it in turn allow me to use the att original device on tmo? I ask these questions because I feel like it would work for both my questions since flashing the FW flashes both boot, kernel and baseband/radio. The which is needed for signal. Just some theories but would love to know the answers.
Btw, I have a F model S8+ and was planning on buying some US branded devices so I was curious.

this.guy.lol said:
If I flash unbranded FW on a carrier specific device, loke tmo or att for example, would it sim unlock the phone?
If I flash tmo FW on an att s8 would it in turn allow me to use the att original device on tmo? I ask these questions because I feel like it would work for both my questions since flashing the FW flashes both boot, kernel and baseband/radio. The which is needed for signal. Just some theories but would love to know the answers.
Btw, I have a F model S8+ and was planning on buying some US branded devices so I was curious.
Click to expand...
Click to collapse
No, it will not unlock the phone (Note: Verizon phones are factory unlocked and remain that way after a firmware flash)
Yes, you can flash any carriers FW to a US S8 and use it with a different carrier.

So I understand, your saying if I flash att FW to a T-Mobile s8 I can use it on tmobile? If that is the case, to me that's an unlock of sorts tiny book lol. Just wanna make sure is all

Deleted

this.guy.lol said:
So I understand, your saying if I flash att FW to a T-Mobile s8 I can use it on tmobile? If that is the case, to me that's an unlock of sorts tiny book lol. Just wanna make sure is all
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Click to collapse
You can flash att firmware and use it on TMobile but it will still be locked to TMobile. Just running att firmware.

joe3681 said:
You can flash att firmware and use it on TMobile but it will still be locked to TMobile. Just running att firmware.
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Just realized the typo.....what I meant was, if I flash ATT on a TMO variant I can use ATT while locked to tmo? I'm very unfimiar with combination fw and always opted for the UK models for alot of reasons. Sorry for the confusion of my op question. I know on the s7 and edge if you flashed the US unlocked firmware it not only removed AOL bloat but it unlocked the device. So that is why I ask.

this.guy.lol said:
Just realized the typo.....what I meant was, if I flash ATT on a TMO variant I can use ATT while locked to tmo? I'm very unfimiar with combination fw and always opted for the UK models for alot of reasons. Sorry for the confusion of my op question. I know on the s7 and edge if you flashed the US unlocked firmware it not only removed AOL bloat but it unlocked the device. So that is why I ask.
Click to expand...
Click to collapse
I had a TMobile S7 edge and flashing unlocked firmware never unlocked the device. That's handled by TMobile servers so...
Flashing unlocked firmware will give you just that. The smoother, bloat free firmware from another device but not the actual sim unlock.

I bought an unlocked device and wanted wifi calling so I flashed the g950usqs1aqf7 att firmware with Odin and it worked to enable wifi calling but I'm unable to get any ota updates and I hate the bloat. Is it possible to get WiFi calling with an unlocked firmware like this one? Also what is the difference between the U and U1 firmware variants?

maquino1985 said:
I bought an unlocked device and wanted wifi calling so I flashed the g950usqs1aqf7 att firmware with Odin and it worked to enable wifi calling but I'm unable to get any ota updates and I hate the bloat. Is it possible to get WiFi calling with an unlocked firmware like this one? Also what is the difference between the U and U1 firmware variants?
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Click to collapse
There are plenty of threads on this, but I don't think anyone was ever successful. I flashed att Oreo to my u1 and got the options, but can't get my company to change my imei back.... My personal phone sim works fine. Quit at that point since it's an Ims registration error. You can try merging the wifi calling apks, but I'm pretty sure it's baked pretty deep in the os. The Verizon guys got some of it working. You can try their threads and see if any of it applies to us.

twizt3d said:
There are plenty of threads on this, but I don't think anyone was ever successful. I flashed att Oreo to my u1 and got the options, but can't get my company to change my imei back.... My personal phone sim works fine. Quit at that point since it's an Ims registration error. You can try merging the wifi calling apks, but I'm pretty sure it's baked pretty deep in the os. The Verizon guys got some of it working. You can try their threads and see if any of it applies to us.
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Thanks. Some threads made it sound possible but inconclusive. I'll just assume it doesn't work.
BTW, can you link to the att oreo fw? And what do u flash that with Odin or comsey?

The thread right below this one entitled Oreo ota has all the details and it needs to be side loaded through adb. Not Odin. But you will need to Odin the 950u base to get off u1

twizt3d said:
The thread right below this one entitled Oreo ota has all the details and it needs to be side loaded through adb. Not Odin. But you will need to Odin the 950u base to get off u1
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Ok thanks. I need to flash anyways because I'm having terrible battery issues and just debating whether to go to a newer version of 950u or back to U1 and losing WiFi calling. In your opinion is oreo beta worth it

So just to confirm, I have read everything, but I am just a bit confused. If I flashed the unlocked firmware via modified odin on a locked AT&T S8 it will remove a lot of the carrier bloat and give my my wifi hotspot back, but remove wifi calling. Similar to when I flashed the T-Mobile firmware on my AT&T S7 and got rid of a ton of the AT&T bloatware but was able to activate my wifi hotspot but lost wifi calling. I stay locked to AT&T which is fine that is not my purpose for flashing
---------- Post added at 07:03 AM ---------- Previous post was at 07:01 AM ----------
and can you re-upload the link is dead now

The links don't work. Any chance you've still got the firmware? I've been overseas since october. I have an unlocked AT&T phone that I intend to keep using when I get back, so I want to keep it AT&T FW.

Hi.
I have a G955U Galaxy S8+ AT&T Factory Unlocked on Android 7.0
Baseband Version: G955USQU1AQD9
Android Security Patch Level - April 1, 2017
I no longer live in the US, and currently in the Philippines. Phone works great and the signal is too and all, but I cannot get OTA updates.
Can I just download the firmware file in this thread and flash straight through ODIN, or do I need to follow another guide?

Related

Convert SM-G930T to SM-G930A so I can use AT&T LTE bands.

Hi All, I want to continue using my AT&T prepaid plan but I recently bought a locked T-Mobile Galaxy S7 SM-G930T (I'm going to try to unlock it - if that doesn't work this is all moot). I would like to flash AT&T firmware so I can use the AT&T LTE bands. Can I follow the instructions in the link below once I've unlocked a T-Mobile SM-G930T and turn it into a SM-G930A?
http://www.droidviews.com/nougat-firmware-on-att-galaxy-s7s7-edge-sm-g930a-g935a/
I've read the link below... but it seems to be only if you want to continue using T-Mobile service which I don't.
https://forum.xda-developers.com/tm...w-to-flash-att-nougat-to-t-mobile-s7-t3553610
Changing firmware doesn't have anything to do with what bands the hardware supports. Unlock it and throw the ATT SIM in. Only difference is carrier supported features and software (wifi calling, etc). Flashing ATT modem might improve coverage but all S7 support the same bands.
Thanks buddy for the reply. I'm used to using a custom ROM on my Android phones so this is new. Mostly CyanogenMod.
That's good to know I don't need to flash in order to get the bands but I understand I need to if I want OTA updates from at&t. It seems relatively simple that you just flash the AT&T ROM over the T-Mobile with Odin and then use some update file. It doesn't even effect Samsung pay and Knox which is great.
Stupid question: is the AT&T modem included with the AT&T rom? Also, with regards to the 2nd link in the OP what is the update file that you put on the sdcard to use in recovery - is that an OTA update because your ROM is different from your carrier?
madadhd said:
Thanks buddy for the reply. I'm used to using a custom ROM on my Android phones so this is new. Mostly CyanogenMod.
That's good to know I don't need to flash in order to get the bands but I understand I need to if I want OTA updates from at&t. It seems relatively simple that you just flash the AT&T ROM over the T-Mobile with Odin and then use some update file. It doesn't even effect Samsung pay and Knox which is great.
Stupid question: is the AT&T modem included with the AT&T rom? Also, with regards to the 2nd link in the OP what is the update file that you put on the sdcard to use in recovery - is that an OTA update because your ROM is different from your carrier?
Click to expand...
Click to collapse
The following is the latest G930A Android 7.0 firmware file. All you need to do is flash it with Odin's AP slot to completely convert your G930T to a G930A. No other steps or files are required: G930AUCS4BQC2_CL10280464_QB12904132_REV02_user_low_ship_MULTI_CERT_meta.tar.rar
EDIT: Corrected the linked file
muniz_ri said:
The following is the latest G930A Android 7.0 firmware file. All you need to do is flash it with Odin's AP slot to completely convert your G930T to a G930A. No other steps or files are required: G930AUCS4BQC2_CL10280464_QB12904132_REV02_user_low_ship_MULTI_CERT_meta.tar.rar
EDIT: Corrected the linked file
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i have METROPCS Phone SM-G930T1 Nougat, already unlocked since i live in mexico...is there a international rom to flash?? i wanna convert my s7 to a non carrier rom IN ADVANCE THANKS 4 YOUR HELP!
muniz_ri said:
The following is the latest G930A Android 7.0 firmware file. All you need to do is flash it with Odin's AP slot to completely convert your G930T to a G930A. No other steps or files are required: G930AUCS4BQC2_CL10280464_QB12904132_REV02_user_low_ship_MULTI_CERT_meta.tar.rar
EDIT: Corrected the linked file
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Click to collapse
I don't get why you would do this other than to have ATT bloat over TMO bloat (IMHO TMO has less bloat than ATT). There's no technical advantage. Am I missing something?
A0425A said:
I don't get why you would do this other than to have ATT bloat over TMO bloat (IMHO TMO has less bloat than ATT). There's no technical advantage. Am I missing something?
Click to expand...
Click to collapse
The amount of bloatware is irrelevant since you can freeze all bloatware on either build. I experienced many issues on the TMo version including issues with Android Auto, Google Assistant, and Tasker. I thought these apps were buggy but all of those issues were resolved on the AT&T version. The AT&T version seems to be a better, bug-free build.
muniz_ri said:
The amount of bloatware is irrelevant since you can freeze all bloatware on either build. I experienced many issues on the TMo version including issues with Android Auto, Google Assistant, and Tasker. I thought these apps were buggy but all of those issues were resolved on the AT&T version. The AT&T version seems to be a better, bug-free build.
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Click to collapse
Read that in a different thread you posted to after I responded. I think it's very YMMV though. But if you saw improvement then ??
Hi, did anyone ever complete this flash from SM-G930T to SM-G930A? I'd like to do this solely to try and get the wifi calling feature since my workplace has poor cell service but great wifi. I bought the T-Mobile phone, unlocked it, put the ATT sim in and everything but wifi calling works fine. I appreciate the reply!
This is much later in the year (11-8-2021) and ATT has posted the list of phone they say will work and it only shows G930A. It seems their test of working means it must have been sold by ATT. They say My G930T won't work. So Will ATT continue to use customer's unlocked phones it they were not orginally sold by ATT. They have the records. Will ATT refuse to use one of their SIMs even if the phone is Flashed to ATT logo. I do not want to throw away my G930T phone.
muniz_ri said:
The following is the latest G930A Android 7.0 firmware file. All you need to do is flash it with Odin's AP slot to completely convert your G930T to a G930A. No other steps or files are required: G930AUCS4BQC2_CL10280464_QB12904132_REV02_user_low_ship_MULTI_CERT_meta.tar.rar
EDIT: Corrected the linked file
Click to expand...
Click to collapse
Hello and thank you. You posted this information and link back in 2017 and so much has changed. Mostly ATT is now working hard to get rid of all 3G towers and firing up 5G. They said my Galaxy S7-GM930T would not work so I think they link you posted will help me convert the phone back to a GM930A or U or U1. My question is,..Has anything in your post changed since 2017 and if so could you please advise me of what I need to do. Thanks very much.
trigger1937 said:
Hello and thank you. You posted this information and link back in 2017 and so much has changed. Mostly ATT is now working hard to get rid of all 3G towers and firing up 5G. They said my Galaxy S7-GM930T would not work so I think they link you posted will help me convert the phone back to a GM930A or U or U1. My question is,..Has anything in your post changed since 2017 and if so could you please advise me of what I need to do. Thanks very much.
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Click to collapse
They sent you a message saying the phone won't work?

Any way to flash G930T firmware on a G930P that is on QJ3 current Sprint firmware?

Basically my phone is updated to Sprint version G930PVPU5BQJ3, and that version apparently has an updated bootloader. T-Mobile's current rom is G930TUVS4BQJ2 with an older bootloader.
Since the QJ3 bootloader is new, I can't successfully flash any firmware that is below QJ3, meaning I can't successfully flash T-Mobile firmware (or unlocked S7 firmware).
Does anybody know if there is anyway around this, or do I need to just wait a month or so for a new version of T-Mobile's rom that has the bootloader updated the same as the Sprint firmware?
prnorm said:
Basically my phone is updated to Sprint version G930PVPU5BQJ3, and that version apparently has an updated bootloader. T-Mobile's current rom is G930TUVS4BQJ2 with an older bootloader.
Since the QJ3 bootloader is new, I can't successfully flash any firmware that is below QJ3, meaning I can't successfully flash T-Mobile firmware (or unlocked S7 firmware).
Does anybody know if there is anyway around this, or do I need to just wait a month or so for a new version of T-Mobile's rom that has the bootloader updated the same as the Sprint firmware?
Click to expand...
Click to collapse
Gotta wait a month or so and hope they update it as well.
lvpre said:
Gotta wait a month or so and hope they update it as well.
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Click to collapse
Thanks. That's what I thought I but was hoping I was wrong.
firmware bootloader ver.
I have the same problem, no mobile data is killing my functionality. Regardless of whether or not I'm connected to a T-mobile APN I get nothing but calls and messages (texts only no mms/pics), no mobile data of any kind.
Is there a place where the current bootloader priority for some/or all of the various s7 roms (carrier &/or custom) can be looked up? I was considering using a custom rom but need to pick something that will flash with the firmware I have now and work with T-Mobile network. Ideally I would rather use stock carrier rom, since I'm really just a noob trying to use a Sprint phone on T-Mobile network. I really dont want another failed flash and to have to waste more time setting my phone back up with the partial functionality it has now. I'll wait if necessary but I wanted to ask about the bootloader priority and to see if anyone had any other suggestions. Thanks!
lvpre said:
Gotta wait a month or so and hope they update it as well.
Click to expand...
Click to collapse
Sorry for the question is this new bootloader locked or unlocked. if it is unlocked you can flash a custom bootloader and with that you can flash any rom you like.
Vilis A said:
I have the same problem, no mobile data is killing my functionality. Regardless of whether or not I'm connected to a T-mobile APN I get nothing but calls and messages (texts only no mms/pics), no mobile data of any kind.
Is there a place where the current bootloader priority for some/or all of the various s7 roms (carrier &/or custom) can be looked up? I was considering using a custom rom but need to pick something that will flash with the firmware I have now and work with T-Mobile network. Ideally I would rather use stock carrier rom, since I'm really just a noob trying to use a Sprint phone on T-Mobile network. I really dont want another failed flash and to have to waste more time setting my phone back up with the partial functionality it has now. I'll wait if necessary but I wanted to ask about the bootloader priority and to see if anyone had any other suggestions. Thanks!
Click to expand...
Click to collapse
Just read Ivpre's post today on a 930p thread, bootloader version is the 9th digit in the firmware name.
How can one determine whether or not the bootloader is locked
pippone121263 said:
Sorry for the question is this new bootloader locked or unlocked. if it is unlocked you can flash a custom bootloader and with that you can flash any rom you like.
Click to expand...
Click to collapse
I'm sure I'm asking a noob question but there is a very good reason for that
---------- Post added at 09:42 AM ---------- Previous post was at 09:27 AM ----------
Vilis A said:
I have the same problem, no mobile data is killing my functionality. Regardless of whether or not I'm connected to a T-mobile APN I get nothing but calls and messages (texts only no mms/pics), no mobile data of any kind.
Is there a place where the current bootloader priority for some/or all of the various s7 roms (carrier &/or custom) can be looked up? I was considering using a custom rom but need to pick something that will flash with the firmware I have now and work with T-Mobile network. Ideally I would rather use stock carrier rom, since I'm really just a noob trying to use a Sprint phone on T-Mobile network. I really dont want another failed flash and to have to waste more time setting my phone back up with the partial functionality it has now. I'll wait if necessary but I wanted to ask about the bootloader priority and to see if anyone had any other suggestions. Thanks!
Click to expand...
Click to collapse
Hi. I just joined T-Mobile from Sprint. I entered the APN settings recommended on the tmobile help site, which only worked for about 5 minutes. After calling customer service, I was directed to create another APN profile, basically identical to the one I had originally done, without deleting the first one. After saving and selecting the new profile, go to Settings>General Management>Reset>Reset Network Settings. Push the button to make it so then power cycle. Mine has worked ever since. Of course that was only Monday but still. The tech said that the majority of the time it works although he could not explain why. I talked my wife through the same procedure on her S7 Edge and on hers mms doesn't work. Don't know why.

unlocked want to flash firmware

Was on ATT, unlocked, now on T-Mobile. Phone is 3 yrs old, sketchy; shuts off randomly, has issues. Want to flash firmware, but Sammobile doesn't have 915a. Since it's unlocked and on t-mobile network, can I flash with t-mobile firmware? Can you put any carrier's rom on an unlocked phone? Sammobile has "usa" firmware with no carrier designation.
https://www.sammobile.com/firmwares/galaxy-note-edge/SM-N915R4/USC/
Thanks.
How did it go??
Same phone same problem also on Tmobile now... what did you do??
Use firmware uploaded by makki666
drivesavw said:
Same phone same problem also on Tmobile now... what did you do??
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Did you find a solution? I flashed the firmware uploaded by makki666 found in another thread on updates for Note Edge from at&t. Right now am using 6.0.1 but may revert to basic 5.1 1 to get temporary root & get rid of bloatware (have not figured out what is worse, outdated OS or bloatware). If you found a better solution, please posr

What is the difference between the G955U and the G955U1?

I have a G955U1, is this ANY different than the G955U? Besides the name, I mean. Can I flash G955U firmware on my G955U1? Thanks.
G955U is USA carrier locked and G955U1 USA Unlocked
thunderroid said:
G955U is USA carrier locked and G955U1 USA Unlocked
Click to expand...
Click to collapse
Sorry for the noob question does this mean I can install G955U1 USA Unlocked firmware on my G955U carrier locked without any issues
turboedm said:
I have a G955U1, is this ANY different than the G955U? Besides the name, I mean. Can I flash G955U firmware on my G955U1? Thanks.
Click to expand...
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Simply put. There is no bloat. You'll get all the features samsung intended on their phones. You won't get features from carrier phones.
but in G955U1 the bootloader is locked
thunderroid said:
G955U is USA carrier locked and G955U1 USA Unlocked
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Click to collapse
If I flash the U1 firmware on my phone with 955U, will I be able to return back to 955U if I do not like it?? What is the advantage of U1 on my ATT 955U phone??
tailgunner9 said:
If I flash the U1 firmware on my phone with 955U, will I be able to return back to 955U if I do not like it?? What is the advantage of U1 on my ATT 955U phone??
Click to expand...
Click to collapse
I have been asking a lot about this myself. i am on tmobile. not sure if i want to make the leap to unlocked. want to keep visual voicemail, wifi calling, rcs support and what not. but i want to get in on the beta for pie. running drl7 now but the video bug with netflix and what not is annoying.
The u1 is bootloader locked. The u firmware is bootloader locked
If you own a u device and it is not sim unlocked the only advantage u1 firmware give is carrier bloat.
The u1 firmware can be flashed on a u device. But other than listed above no other perks come from this.
TheMadScientist said:
The u1 is bootloader locked. The u firmware is bootloader locked
If you own a u device and it is not sim unlocked the only advantage u1 firmware give is carrier bloat.
The u1 firmware can be flashed on a u device. But other than listed above no other perks come from this.
Click to expand...
Click to collapse
I can semi-confirm this. From the recovery menu I can select bootloader and it boots to SOMETHING.....but it looks like it's booting to their downloader version and not what people would traditionally see from a normal bootloader screen. I do know this screen does NOT work for having the phone detected by Platform Tools so no way to use that at all as far as I can see. UGH. I swear I should have just bought a Pixel 2 when I had the chance. GODS Samsung is annoying. :crying:
RangerVegas said:
I can semi-confirm this. From the recovery menu I can select bootloader and it boots to SOMETHING.....but it looks like it's booting to their downloader version and not what people would traditionally see from a normal bootloader screen. I do know this screen does NOT work for having the phone detected by Platform Tools so no way to use that at all as far as I can see. UGH. I swear I should have just bought a Pixel 2 when I had the chance. GODS Samsung is annoying. :crying:
Click to expand...
Click to collapse
Your not god
RangerVegas said:
I can semi-confirm this. From the recovery menu I can select bootloader and it boots to SOMETHING.....but it looks like it's booting to their downloader version and not what people would traditionally see from a normal bootloader screen. I do know this screen does NOT work for having the phone detected by Platform Tools so no way to use that at all as far as I can see. UGH. I swear I should have just bought a Pixel 2 when I had the chance. GODS Samsung is annoying. :crying:
Click to expand...
Click to collapse
When you click reboot to bootloader it takes you to what as known as download mode which is how we flash stock firmware. And maybe a couple other things but yea mainly for stock firms. Its used by a program called odin and the latest is 3.13 i believe.
TheMadScientist said:
When you click reboot to bootloader it takes you to what as known as download mode which is how we flash stock firmware. And maybe a couple other things but yea mainly for stock firms. Its used by a program called odin and the latest is 3.13 i believe.
Click to expand...
Click to collapse
Yea hopefully someone will respond to my main question in the noobie thread. Or maybe you would know. So I know Odin is the program Samsung uses to load new ROM on a phone. And I thought I read somewhere that there was a modified version of Odin that someone made that could install new/different ROM's. But I also saw in another message that either the current version of Odin, or the current version of the modified Odin could still load other ROM's and that someone had tested this. So that was my original primary question.
Is there a way I can use one or the other to load a Stock Android Pie ROM like what might come with a Pixel so I can avoid all the garbageware from Samsung? Or is there a chance doing that, that I would have some of my hardware features disabled since that seems to be an issue loading a ROM from another phone? And if so. Has anyone made a ROM for Samsung phones with all the garbage programs removed? Or is it still too early in the release of Pie for Samsung for that to be a reality right now?
Thank You for the info.
RangerVegas said:
Yea hopefully someone will respond to my main question in the noobie thread. Or maybe you would know. So I know Odin is the program Samsung uses to load new ROM on a phone. And I thought I read somewhere that there was a modified version of Odin that someone made that could install new/different ROM's. But I also saw in another message that either the current version of Odin, or the current version of the modified Odin could still load other ROM's and that someone had tested this. So that was my original primary question.
Is there a way I can use one or the other to load a Stock Android Pie ROM like what might come with a Pixel so I can avoid all the garbageware from Samsung? Or is there a chance doing that, that I would have some of my hardware features disabled since that seems to be an issue loading a ROM from another phone? And if so. Has anyone made a ROM for Samsung phones with all the garbage programs removed? Or is it still too early in the release of Pie for Samsung for that to be a reality right now?
Thank You for the info.
Click to expand...
Click to collapse
There is a pie beta I don't know if it is official yet. If you flash the unlocked firmware I've read you lose features like WiFi calling and volte. But I have not tried pie or unlocked firm ware on mine. There is a thread on installing safestrap then doing a rooted system images then from there depending on the flashed image if you do debloat. Again I haven't tried the new root method. I'm still on a really old revision from end of 2017
TheMadScientist said:
There is a pie beta I don't know if it is official yet. If you flash the unlocked firmware I've read you lose features like WiFi calling and volte. But I have not tried pie or unlocked firm ware on mine. There is a thread on installing safestrap then doing a rooted system images then from there depending on the flashed image if you do debloat. Again I haven't tried the new root method. I'm still on a really old revision from end of 2017
Click to expand...
Click to collapse
Ok thanks for the info. So apparently right now it's just a bit too early to be trying to find a Pie ROM that would work with my phone and not loose some hardware features. Which I guess makes sense since Samsung is only just now releasing it for S9's I believe in european countries I guess primarily to make sure how they borked it with their own software and tweaking didn't totally screw up their phones. Heh.
Oddly enough I got all excited when I saw it said there was an update today, but all it was for was a security update to bring it up to "Feb 1st, 2019" Android security level.
Thanks for the info about things. :good:
tailgunner9 said:
If I flash the U1 firmware on my phone with 955U, will I be able to return back to 955U if I do not like it?? What is the advantage of U1 on my ATT 955U phone??
Click to expand...
Click to collapse
YES you can Flash back to ATT U. I have done it.
What about "Smart View" (cellphone reflection in tv) in G955U1 with last Pie beta version (CRL2 -> ZSAB -> ZSBB -> ZSC2)... any issue
T0nyCr said:
What about "Smart View" (cellphone reflection in tv) in G955U1 with last Pie beta version (CRL2 -> ZSAB -> ZSBB -> ZSC2)... any issue
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Click to collapse
Nope... none problem... everything ok:good:
TheMadScientist said:
When you click reboot to bootloader it takes you to what as known as download mode which is how we flash stock firmware. And maybe a couple other things but yea mainly for stock firms. Its used by a program called odin and the latest is 3.13 i believe.
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please I wnt clarification ...I bought g955u as used phone ..I hv oreo on it is stock from HK hongkong. and I know g955u is US variants can I flash US g955u1 firmware unlocked on it or g955u unlocked? am in Africa.
thanks
folusmile said:
please I wnt clarification ...I bought g955u as used phone ..I hv oreo on it is stock from HK hongkong. and I know g955u is US variants can I flash US g955u1 firmware unlocked on it or g955u unlocked? am in Africa.
thanks
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Yes you can flash the u1 firm Ware as long as its the same revision bootloader 5th digit from the last.
I think you have to flash the equal combination file first
TheMadScientist said:
Yes you can flash the u1 firm Ware as long as its the same revision bootloader 5th digit from the last.
I think you have to flash the equal combination file first
Click to expand...
Click to collapse
Thanks
---------- Post added at 08:51 AM ---------- Previous post was at 08:50 AM ----------
TheMadScientist said:
Yes you can flash the u1 firm Ware as long as its the same revision bootloader 5th digit from the last.
I think you have to flash the equal combination file first
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I want to flash pie can I process?

Sprint S8 Active flash to T-Mobile?

So i've read that the sprint version of the S8 Active is on bootloader v5 and the T-Mobile version is bootloader v1. Is it then possible to flash the T-Mobile firmware onto the Sprint Variant ?. The device is already unlocked but i would like Wifi-calling to work for T-Mobile.
Edit 1: Found this and successfully fully flashed from Sprint to T-Mobile(everything works including Wifi Calling). Only works if you are on bootloader version 1.
https://www.youtube.com/watch?v=DEDDTcR1SiQ
I AM NOT THE CREATOR NOR DO I TAKE CREDIT FOR THIS
No apparently the bootloader version must match or be lower so in this case sprint is higher so you can't flash. I've tried and downloaded the tmobile oreo firmware; you'll just get a fail in odin
zed011 said:
No apparently the bootloader version must match or be lower so in this case sprint is higher so you can't flash. I've tried and downloaded the tmobile oreo firmware; you'll just get a fail in odin
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That is the part i am maybe not understanding. My Sprint S8 active says it is Software version G892USQS1ARC1. Doesn't that mean it is bootloader version 1?
Sorry I was wrong! I actually flashed it! Very happy right now. I was being stupid and using an older version of odin before. Now I successfully flashed sprint to t-mobile oreo with no problems! Use Odin 3.13.1; not prince comsy mod or anything else. So it was bootloader 1 after all; there were some misleading posts without proof. I will trust the software number from now on
zed011 said:
Sorry I was wrong! I actually flashed it! Very happy right now. I was being stupid and using an older version of odin before. Now I successfully flashed sprint to t-mobile oreo with no problems! Use Odin 3.13.1; not prince comsy mod or anything else. So it was bootloader 1 after all; there were some misleading posts without proof. I will trust the software number from now on
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ARE YOU SERIOUS?!?! Does wifi calling work for you now?
I'm not sure. How can I check? I'm on Fido which is Canadian carrier without WiFi calling. I'm guessing I'm supposed to be looking for a tmobile WiFi calling app. See attachment screenshot for proof. Still recognizes my phone is from sprint
Yeah i just finished flashing it and i get the same as you. Phone still recognized as Sprint and no WiFi calling. Darn. Android 8.0 Oreo is a huge plus however.
zed011 said:
Sorry I was wrong! I actually flashed it! Very happy right now. I was being stupid and using an older version of odin before. Now I successfully flashed sprint to t-mobile oreo with no problems! Use Odin 3.13.1; not prince comsy mod or anything else. So it was bootloader 1 after all; there were some misleading posts without proof. I will trust the software number from now on
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Click to collapse
I think we need to follow this guide to change carrier but the thing is there is no factory binary for the s8 active so this guide won't work until there is one...
https://forum.xda-developers.com/galaxy-s8/how-to/switch-to-carrier-firmware-100-t3609487
Actually I have found and flashed a factory binary trying to change it to T-Mobile. The problem I ran into is they want you to download the firmware with "w" after the model number. That is what I think let's you change the option after typing in the code. That firmware is only for s8 I think(not active as it has the s8 model #). Without flashing that, after I typed in the code the only option I had to choose from was sprint. No "xac" or whatever it was.
If I am not mistaken. The model with the "w" is the Canadian version of the s8. The s8 active is US only I think.
So Im getting ready to pick up a Sprint version to use on Att or Tmobile (good deal). Are you guys seeing any issues after flashing? Thanks
jmill75 said:
So Im getting ready to pick up a Sprint version to use on Att or Tmobile (good deal). Are you guys seeing any issues after flashing? Thanks
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Click to collapse
The only thing I've notice is there is no option for mobile hotspot( i don't think it was there to begin with, i could be wrong however). Other than that it works perfectly. Great battery life and everything. Flash the userdata to get rid of the Sprint Boot animation if you'd like. I did it and now there is just the "Samsung s8 Active" logo, then lock screen. Goodluck.
Mohamed1993 said:
The only thing I've notice is there is no option for mobile hotspot( i don't think it was there to begin with, i could be wrong however). Other than that it works perfectly. Great battery life and everything. Flash the userdata to get rid of the Sprint Boot animation if you'd like. I did it and now there is just the "Samsung s8 Active" logo, then lock screen. Goodluck.
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Click to collapse
Do you have a link by chance to the files? Thanks
After flashing Sprint variant of the device to T-Mobile firmware, do all features work: WiFi Calling, Band 12, VoLTE and Band 71?
Charkatak said:
After flashing Sprint variant of the device to T-Mobile firmware, do all features work: WiFi Calling, Band 12, VoLTE and Band 71?
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Click to collapse
No wifi calling, no VoLTE. Not sure about the bands
Charkatak said:
After flashing Sprint variant of the device to T-Mobile firmware, do all features work: WiFi Calling, Band 12, VoLTE and Band 71?
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Click to collapse
WiFi calling works fine on T-Mobile without flashing to T-Mobile firmware. Only issue is that sometimes it gets stuck enabling WiFi calling requiring a reboot. Band 12 also works, its in the Sprint specifications. The big question I wonder about is if band 71 can be enabled.
flash not working?
i flashed the tmobile firmware and after its all dont i boots up does an update and then boots with all the sprint stuff still
snowfirebeast said:
i flashed the tmobile firmware and after its all dont i boots up does an update and then boots with all the sprint stuff still
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Click to collapse
Did you follow the video I posted?. Ignore all the other comments about things not working. When i updated the OP with the link, it fully flashed the sprint device to T-Mobile. The only thing you have to watch out for, is if your Sprint software is running a new bootloader. You can tell by looking at the baseband version number. This will only work if you are on bootloader 1. My baseband is currently "G892USQS1BRD5". The bootloader version is the 5th character starting from the right. The number 1 before "BRD5".

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