Hello guys!
I live in the states and I get weak cellular signals most of the time. I have the exynos variant because i heard it has better ram management and battery. I have flashed the bootloader and modem BL_G930FXXU1BPIF and CP_G930FXXU1BPHJ and installed superman rom on it. I also flashed the csc for TMB because i use tmobile. So the problem is that I dont get good lte speed and the cellular signal is always low. Can i flash G930T modem on the exynos version or it will cause problem because G930T is the snapdragon variant?
Any help is appreciated!
breakwaterr said:
Hello guys!
I live in the states and I get weak cellular signals most of the time. I have the exynos variant because i heard it has better ram management and battery. I have flashed the bootloader and modem BL_G930FXXU1BPIF and CP_G930FXXU1BPHJ and installed superman rom on it. I also flashed the csc for TMB because i use tmobile. So the problem is that I dont get good lte speed and the cellular signal is always low. Can i flash G930T modem on the exynos version or it will cause problem because G930T is the snapdragon variant?
Any help is appreciated!
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I think it is only the bootloader that you have to be careful with. Try the modem - you can always ODIN back the CP above if you have issues.
PS - try this new CP/modem module - it has the new TMo LTE-A in it - over doubled my download speeds:
https://www.dropbox.com/s/gazniujau...5_REV02_user_low_ship_MULTI_CERT.tar.md5?dl=0
gaww said:
I think it is only the bootloader that you have to be careful with. Try the modem - you can always ODIN back the CP above if you have issues.
PS - try this new CP/modem module - it has the new TMo LTE-A in it - over doubled my download speeds:
https://www.dropbox.com/s/gazniujau...5_REV02_user_low_ship_MULTI_CERT.tar.md5?dl=0
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Click to collapse
I tried to flash the modem you have provided but it keeps on failing through odin.
breakwaterr said:
I tried to flash the modem you have provided but it keeps on failing through odin.
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Click to collapse
Come to think of it the modem may also be hardware specific, so the qualcom one will not go on your 930F.
I would search the threads here and in the US TMo threads to see which phone firmwares (by country) are working best over here on 930F/935F(I have seen some when I was considering getting a 935F or FD), and then download the full firmware and extract the CP from the one that works good and ODIN it.
gaww said:
Come to think of it the modem may also be hardware specific, so the qualcom one will not go on your 930F.
I would search the threads here and in the US TMo threads to see which phone firmwares (by country) are working best over here on 930F/935F(I have seen some when I was considering getting a 935F or FD), and then download the full firmware and extract the CP from the one that works good and ODIN it.
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some ppl are saying that to flash UK firmware to get better lte and reception but I am using UK's modem which is G930FXXU1BPHJ according to sammobile
breakwaterr said:
some ppl are saying that to flash UK firmware to get better lte and reception but I am using UK's modem which is G930FXXU1BPHJ according to sammobile
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Maybe you need to install the whole firmware.
gaww said:
Maybe you need to install the whole firmware.
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I just flashed the modem and still the same result. Maybe coverage here in lubbock, tx is just bad.
Related
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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Click to collapse
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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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
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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?
Can the FM chip inside the regular international variant of S6 be activated by flashing the Sprint Firmware using the modified Prince Comsy's Odin?
I know the modded Odin can flash cross region firmwares, and that Spint S6s have the chip activated by Sprint and it works with Next Radio App.
arneldna said:
Can the FM chip inside the regular international variant of S6 be activated by flashing the Sprint Firmware using the modified Prince Comsy's Odin?
I know the modded Odin can flash cross region firmwares, and that Spint S6s have the chip activated by Sprint and it works with Next Radio App.
Click to expand...
Click to collapse
You have literally nothing to lose by trying it. If it doesn't work just go back.
godkingofcanada said:
You have literally nothing to lose by trying it. If it doesn't work just go back.
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Click to collapse
I will give it a try this weekend. I read somewhere that Comsy's Odin only supports Snapdragon devices, hope that's not the case, S6 never had a SD variant.
arneldna said:
I will give it a try this weekend. I read somewhere that Comsy's Odin only supports Snapdragon devices, hope that's not the case, S6 never had a SD variant.
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Click to collapse
I don't suppose that it's too hard to add dependencies into Odin to work with Exynos if it is the case. Most Odin works with it. I use Odin on my s6 e+
godkingofcanada said:
I don't suppose that it's too hard to add dependencies into Odin to work with Exynos if it is the case. Most Odin works with it. I use Odin on my s6 e+
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Click to collapse
Did you use Comsy's Odin on your S6 E+?
Yeah I did, however just because it worked with my s6e+ doesn't mean it will work with s6, not the same hardware. If it doesn't you may be able to make it work by moving the necessary files from a different Odin version and then adding to its code to call those files. But that's a bit more programmer and a bit less end user. Tho I can probably help you there if that's the only alternative
Appreciate... but it failed to work, it threw an error "Secure check failed: bootloader" something like that and then I did a nand restore. Apparently, the G920P has a different bootloader that doesn't work on other variants. any advice?
I was wondering if it's possible to enable VoLTE on an SM-G930F running BTU firmware on an AT&T carrier. Is there any way to get things like WiFi Calling and VoLTE on it, or am I just screwed since I'm using the international variant of the phone?
When I first got it brand new from Wal-Mart, it was running TTT firmware (from Trinidad and Tobago for some reason) and showed normal 3G, 4G, and LTE symbols on my status bar. Since I wanted to get the Nougat update early, I flashed BTU which switched the symbols to H, H+, and 4G. Does that have anything to do with it?
Thanks.
You're certain it's a G930F? And from Walmart of all places? Exynos isn't meant to be sold in the US.
If it's a G930F and you have TWRP you can flash the CSC tool in the development section which has the US carriers, and CSC is what enables VoLTE.
If it's a US snapdragon model you could flash the AT&T CSC via Odin without needing TWRP.
Beanvee7 said:
You're certain it's a G930F? And from Walmart of all places? Exynos isn't meant to be sold in the US.
If it's a G930F and you have TWRP you can flash the CSC tool in the development section which has the US carriers, and CSC is what enables VoLTE.
If it's a US snapdragon model you could flash the AT&T CSC via Odin without needing TWRP.
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Click to collapse
If OP successfully flashed BTU then it has to be a Exynos G930F, but I agree, most phones sold in the US claiming to be the G930F are modded Snapdragons faked to look like it, but they obviously won't allow a Exynos ROM to be flashed to them, so in this case OP has got a real Exynos
Could be the modem (CP) part of the firmware controlling which carrier services you can receive in your region, not sure I'd recommend flashing a US modem to a UK firmware though, unsure what would happen, although the G930F is pretty straight forward to unbrick as long as you can get back into download mode
Beanvee7 said:
If it's a G930F and you have TWRP you can flash the CSC tool in the development section which has the US carriers, and CSC is what enables VoLTE.
Click to expand...
Click to collapse
Where is this CSC tool? I'm not sure what you mean by "development section". I have an Oreo G930F and I'm trying to get VoLTE to work with AT&T.
Feenix0 said:
Where is this CSC tool? I'm not sure what you mean by "development section". I have an Oreo G930F and I'm trying to get VoLTE to work with AT&T.
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Click to collapse
It hasn't been updated with the newer versions of Android so it's not really a thing anymore.
Next best thing is to download the entire firmware package for your carrier from somewhere like updato then flash only the home_CSC file. Although iirc this might now work if mixing and matching models, which is why the CSC flash tool was a thing.
Beanvee7 said:
It hasn't been updated with the newer versions of Android so it's not really a thing anymore.
Next best thing is to download the entire firmware package for your carrier from somewhere like updato then flash only the home_CSC file. Although iirc this might now work if mixing and matching models, which is why the CSC flash tool was a thing.
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Click to collapse
The trouble is that the G930F was never officially released on US markets, so I can't find a US firmware. I'd gladly use another market's firmware if I knew it would support AT&T VoLTE and "LTE only" mode, but I have no idea how to figure that out!
So it turns out that I have the Canadian SM-G930W8 (as shown on the download mode screen), not the G930F (as shown everywhere else). Identical hardware, but I can only flash Canadian firmware.
I bought 2nd SK Telecom unit (930S), which has same SoC as 930F. Is it possible to flash 930F modem to 930S? I get this issues regarding mobile network in LTE doesn't work well, I have to lock it to WCDMA in order to make network run again. I suspect this as modem issues, but is it? Or is this OS problem? Tried 3 carriers, problem persists.
While they are the same SoC, there are some differences that will make flashing G930F over G930S result in bootlooping.
I assume you're not in South Korea?
The firmware will be configuring for Korean carrier / networks. Your best bet would be flashing TWRP, then using this to change your device to your carriers CSC https://forum.xda-developers.com/s7-edge/development/utility-flashable-csc-selection-30-t3392957
lasbrujazz said:
I bought 2nd SK Telecom unit (930S), which has same SoC as 930F. Is it possible to flash 930F modem to 930S? I get this issues regarding mobile network in LTE doesn't work well, I have to lock it to WCDMA in order to make network run again. I suspect this as modem issues, but is it? Or is this OS problem? Tried 3 carriers, problem persists.
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Click to collapse
It could be the stock ROM on there (with sk apps). When I bought mine I immediately flashed TWRP, NAND backup and flashed a custom TW ROM and had zero network issues. I never bothered seeing if the stock ROM was worth using. I'm using BlackPearl with zero problems with network or otherwise on AT&T.
I should clarify many custom ROM's work on goth 930F and 930S, but stock 930F images will bootloop a 930S.
hello, im using g930s too with g930s stock bootloader and baseband/modem. but with hyper alvi 4.1 rom. still got problem in 4G mobile network signal. should i try to change csc or modem file? i think the csc was from wrong country, could that be the culprit? thanks guys
Hello,
I am going to attempt to Flash my Sprint S7 Edge with current Firmware version G935PVPS8CRK1 to the Unlocked firmware of G935UUES8CRK1 as I have ported out of Sprint and need to enable all LTE bands for a different network now.
My questions are
Can this be done for the above firmware versions and will it enable all LTE bands if successful ?
In the SAMMOBILE page, there are different variants for the SMG935U including one for Sprint. I was assuming that all 935U variants would be identical, but I guess I'm mistaken. So, should I download the Sprint version of SMG835U or something else ?
Optms2 said:
Hello,
I am going to attempt to Flash my Sprint S7 Edge with current Firmware version G935PVPS8CRK1 to the Unlocked firmware of G935UUES8CRK1 as I have ported out of Sprint and need to enable all LTE bands for a different network now.
My questions are
Can this be done for the above firmware versions and will it enable all LTE bands if successful ?
In the SAMMOBILE page, there are different variants for the SMG935U including one for Sprint. I was assuming that all 935U variants would be identical, but I guess I'm mistaken. So, should I download the Sprint version of SMG835U or something else ?
Click to expand...
Click to collapse
Never mind, I was able to flash the G935UUES8CRK1 firmware. Also, in Odin I tried with the HOME CSC. Although Odin showed a successful status, my device went into a dm verity boot loop. Then I had to flash it again with the regular CSC file and it worked.
I'm about to do the same thing, were you able to use LTE and VOLTE? Or access other bands that didn't work while on the sprint firmware? Right now i have the sm-g935p and am using it with t-mobile. I can only get 3g speed and have voice working or LTE with no voice.
Yeah, LTE was working. Band 40 which was otherwise disabled in the Sprint firmware was open and LTE Discovery app confirmed it. Not sure about VoLTE.
bootdsc said:
i'm about to do the same thing, were you able to use lte and volte? Or access other bands that didn't work while on the sprint firmware? Right now i have the sm-g935p and am using it with t-mobile. I can only get 3g speed and have voice working or lte with no voice.
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Click to collapse
are we now able to flash u firmware to sprint g935p s7 edge again
jackphillips said:
are we now able to flash u firmware to sprint g935p s7 edge again
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Click to collapse
Yes. The bootloader was updated a few months ago. There is a thread here with files and instructions.
https://forum.xda-developers.com/sp...0u-firmware-bootloader-update-device-t3863219
flashing u firmware to sprint model G935p phone
lvpre said:
Yes. The bootloader was updated a few months ago. There is a thread here with files and instructions.
https://forum.xda-developers.com/sp...0u-firmware-bootloader-update-device-t3863219
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Click to collapse
if i flash my sprint phone to u firmware, do i need to download the exact same rom that own mine right now. my rom is G935UUES8CRK2_ so i downloaded the same g935u firmware from samsung sense it would have the same bootloader 3/28/2019
flashing u firmware to sprint model G935p phone
if i flash my sprint phone to u firmware, do i need to download the exact same rom that own mine right now. my rom is G935UUES8CRK2_ so i downloaded the same g935u firmware from samsung sense it would have the same bootloader