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[Q] AtT NOte 2 unlocked, now using Tmobile, Can't upgrade firmware

MY sister called ATt to unlock her phone when she went abroad, they did. Now she no longer has ATT and is with tmobile. Using the Tmobile sim card, she can't seem to upgrade her OS using the firmware update option in settings. How can she go about upgrading? she currently has android 4.1.2 with the NOte 2?
also if i flash aokp on her phone, but she don't like it, then flash back the original 4.1.2 firmware, would i lose the unlock that ATT did for her and she can't use Tmobile anymore?

jinjin12 said:
MY sister called ATt to unlock her phone when she went abroad, they did. Now she no longer has ATT and is with tmobile. Using the Tmobile sim card, she can't seem to upgrade her OS using the firmware update option in settings. How can she go about upgrading? she currently has android 4.1.2 with the NOte 2?
also if i flash aokp on her phone, but she don't like it, then flash back the original 4.1.2 firmware, would i lose the unlock that ATT did for her and she can't use Tmobile anymore?
Click to expand...
Click to collapse
Carrier unlocking is separate from ROM. If you can install custom recovery (CWM, TWRP), switching from ROM to ROM is as simple as doing a backup of one, wiping the device, and installing another ROM. Always save a back-up to your computer, and it's also a good idea (much easier in the end) to do a batch back-up through Titanium of all the user apps, so you can simply restore them to the new ROM instead of downloading them all over again and losing the app data.
Factory firmware can be obtained from sammmobile.com and are flashable with Odin (google it).

thanks for the help but why can't she update the stock rom from the settings though when she switched to tmobile? are the update locked to the att carrier?

thanks for the help but why can't she update the stock rom from the settings though when she switched to tmobile? are the update locked to the att carrier?

I wouldn't worry about it too much. The method Planterz gave you will give her the latest firmware. There's at least a few Lolipop ROMs for the Note 2

TechShui said:
I wouldn't worry about it too much. The method Planterz gave you will give her the latest firmware. There's at least a few Lolipop ROMs for the Note 2
Click to expand...
Click to collapse
Idk the site only has up to stock firmware 4.1.2...which is what she already has on her phone, but on the samsung site, it says they currently have android 4.4.2 for the SGH-I317 phone. i don't know how to get that

[SM-G920R7] S6 Thread

My goal would be to install Cyanogenmod on my SM-G920R7, but haven't been able to find too much help. Any of the rooting methods that seem to work on rest of the S6 variants, doesn't seem to work on this one. There is no TWRP available that I know of.
I would really appreciate any possible help. Thanks in advance.

i have the same problem
I think that this version of the s6 (the cspire version) isn't widely available enough and no one has bothered to make a root for it - ive been searching for a long time and still haven't found anything

I'd like to at least be able to root this thing.. On 5.1.1 now.

I have a rooted cellphone of this version (I purchased it rooted), is there any workaround to unlock GSM/LTE bands on this device?
----
Edit... Okay, so I went back to fresh stock with SmartSwitch, then flashed twrp-3.0.0-0-zerofltespr and Unikernel-v9b-BOH1-920P-100815 via odin 3.10.7, and rooted again... any method to enable gsm on this device yet?

jfarreola said:
I have a rooted cellphone of this version (I purchased it rooted), is there any workaround to unlock GSM/LTE bands on this device?
----
Edit... Okay, so I went back to fresh stock with SmartSwitch, then flashed twrp-3.0.0-0-zerofltespr and Unikernel-v9b-BOH1-920P-100815 via odin 3.10.7, and rooted again... any method to enable gsm on this device yet?
Click to expand...
Click to collapse
How exactly did you root it again? Was it SM-G920R7?

phreak311 said:
How exactly did you root it again? Was it SM-G920R7?
Click to expand...
Click to collapse
Yes, it was SM-G920R7... first, I flashed twrp-3.0.0-0-zerofltespr , then Unikernel-v9b-BOH1-920P-100815 , both via ODIN (you can google both files), note these files are NOT for r7 version (they're for sprint version *g920p*) but they'll root the phone.
I ended up getting rid of the phone as there's afaik no way to enable gsm on it

jfarreola said:
Yes, it was SM-G920R7... first, I flashed twrp-3.0.0-0-zerofltespr , then Unikernel-v9b-BOH1-920P-100815 , both via ODIN (you can google both files), note these files are NOT for r7 version (they're for sprint version *g920p*) but they'll root the phone.
I ended up getting rid of the phone as there's afaik no way to enable gsm on it
Click to expand...
Click to collapse
That's not true. I finally rooted that model and got TWRP installed, and followed the steps to get the Sprint Galaxy S4 domestic SIM unlocked. I finally got data and texting working last night, but I can't get calls to work for some reason on an AT&T SIM card. It even shows up at AT&T as my provider. AFIK it is now SIM unlocked, the only thing not working is calls like I said. I'm sooooo close to getting this working. I need people with this phone that are doing the same thing i'm doing! I only paid $50 for it! lol

Can u help me get mine unlocked , ive already rooted the phone.

shykidd said:
Can u help me get mine unlocked , ive already rooted the phone.
Click to expand...
Click to collapse
How did you root the phone thanks for any help

phreak311 said:
That's not true. I finally rooted that model and got TWRP installed, and followed the steps to get the Sprint Galaxy S4 domestic SIM unlocked. I finally got data and texting working last night, but I can't get calls to work for some reason on an AT&T SIM card. It even shows up at AT&T as my provider. AFIK it is now SIM unlocked, the only thing not working is calls like I said. I'm sooooo close to getting this working. I need people with this phone that are doing the same thing i'm doing! I only paid $50 for it! lol
Click to expand...
Click to collapse
What model did you use and what recovery to root phone

makemesmile said:
What model did you use and what recovery to root phone
Click to expand...
Click to collapse
use root for sprint or us cellular

DEXEIL said:
use root for sprint or us cellular
Click to expand...
Click to collapse
What model will work with my phone I have my backup for if something goes wrong but if I charge the recovery and have some type of issue can I use the stock rom again thanks for your help I had a gs3 rooted and really like it now I got the sm-920r7 what model with sprint or us cellular will work

Root sm-g920r7
lazydude said:
my goal would be to install cyanogenmod on my sm-g920r7, but haven't been able to find too much help. Any of the rooting methods that seem to work on rest of the s6 variants, doesn't seem to work on this one. There is no twrp available that i know of.
I would really appreciate any possible help. Thanks in advance.
Click to expand...
Click to collapse
use the cf auto root download this use google to search first one that comes up use that link go to model sm-g920p cspire and sprint uses
the same network . Use odin to install i have same phone and have mine rooted in this way. So far tried using the sprint version custom rom it will work but you can make phone calls but not the data side for phone internet.
---------- Post added at 04:09 PM ---------- Previous post was at 03:57 PM ----------
makemesmile said:
how did you root the phone thanks for any help
Click to expand...
Click to collapse
use the cf auto root download this use google to search first one that comes up use that link go to model sm-g920p cspire and sprint uses
the same network . Use odin to install i have same phone and have mine rooted in this way. So far tried using the sprint version custom rom it will work but you can make phone calls but not the data side for phone internet. Make sure you go to phone settings under find my phone and turn off reactivation lock

Any way to get the G920P roms to work on this variant? I've had luck with them with other c-spire/ntelos/r7 phones in the past. I'd like to flash Renegade to it...

blazie151 said:
Any way to get the G920P roms to work on this variant? I've had luck with them with other c-spire/ntelos/r7 phones in the past. I'd like to flash Renegade to it...
Click to expand...
Click to collapse
It works but the phone data Internet won't work can make phone calls and sprints annoying activation keeps posing up and even tried the pit file for cspire no change on that
Sent from my SM-G920R7 using Tapatalk

Wonder if anyone has got calls working using GSM sim card? I have the cspire G920R7 rooted with LTE data working using AT&T sim.
Won't receive calls (straight to vmail) and when placing calls dialer says CALL ENDED immediatly after dialing.
hmmm.

TEC602 said:
Wonder if anyone has got calls working using GSM sim card? I have the cspire G920R7 rooted with LTE data working using AT&T sim.
Won't receive calls (straight to vmail) and when placing calls dialer says CALL ENDED immediatly after dialing.
hmmm.
Click to expand...
Click to collapse
I'm working on this too. So far I've got the same situation as you, Data works but no calls/text.
in a few weeks the person who wants me to unlock this phone for them is switching carriers and plans on buying a new phone to use until I can unlock the S6, so I'll have more time to mess with it then.
There's a few things I want to try, but I can't post links here (XDA rules).
One involves Rooting and using a service code to unlock the bands (google "TeamUSCellular GSM unlock S6")
The other also requires rooting and involves using "galaxy tools" to unlock the bands (not sure if this app works with marshmallow, though) (google "theandroidsoul how to sim unlock sprint galaxy S6")
My hopes are not high for getting this phone to work fully. I've also been trying to get custom ROMs to work, but I can't get the cell radio to work at all on custom ROMs. Even with the stock SM-G920R7 Kernel straight from the latest update .tar

Sean89us said:
I'm working on this too. So far I've got the same situation as you, Data works but no calls/text.
.......
Click to expand...
Click to collapse
Thanks for the suggestion, yeah I have tried galaxy tools (GT) to change the phone mode to LTE/GSM auto and tried different CSC values, and accessed the hidden menus through there. The sim unlock in GT asks for a code which I dont know, but the phone doesn't seem to be locked anyway since it doesn't care when I try different sim cards. Weird thing is the GT app doesn't work very well (most hidden menus not working) on the current rom i'm using but worked better on the stock cspire rom. Note, I tried using MSL 000000 in ##3282# data menu and it works but most the settings in there don't seem to be applicable to GSM networks.
Currently I'VE been messing with the build.prop file, also tried the CDMA to GSM flashable zip which edits the build.prop but nothing has gotten better. One time after editing the build.prop the phone would only turn on with a blank screen and vibrate every few seconds, that was SCARY. Also was planning on flashing other radio/modem but having trouble finding many of those files and pulling them from roms seems difficult to get the correct file to flash on odin.

TEC602 said:
Thanks for the suggestion, yeah I have tried galaxy tools (GT) to change the phone mode to LTE/GSM auto and tried different CSC values, and accessed the hidden menus through there. The sim unlock in GT asks for a code which I dont know, but the phone doesn't seem to be locked anyway since it doesn't care when I try different sim cards. Weird thing is the GT app doesn't work very well (most hidden menus not working) on the current rom i'm using but worked better on the stock cspire rom. Note, I tried using MSL 000000 in ##3282# data menu and it works but most the settings in there don't seem to be applicable to GSM networks.
Currently I'VE been messing with the build.prop file, also tried the CDMA to GSM flashable zip which edits the build.prop but nothing has gotten better. One time after editing the build.prop the phone would only turn on with a blank screen and vibrate every few seconds, that was SCARY. Also was planning on flashing other radio/modem but having trouble finding many of those files and pulling them from roms seems difficult to get the correct file to flash on odin.
Click to expand...
Click to collapse
I'm not sure you'll even be able to flash other models' modem..? I can't say I've ever tried.
Anyway, getting your hands on the firmware is easy. Just use SamFirm (http://forum.xda-developers.com/galaxy-tab-s/general/tool-samfirm-samsung-firmware-t2988647)
To use it, just input the model number (SM-G920R7/R4/P/V/T/A) and the region code, then select "auto".
Region codes and model numbers:
C-Spire: ACG (SM-G920R7)
US-Cellular: USC (SM-G920R4)
Sprint: SPR (SM-G920P)
Verizon: VZW (Locked out from download, app can't download) (SM-G920V)
T-mobile: TMB (SM-G920T)
ATT: ATT (Locked out from download, app can't download) (SM-G920A)
This app downloads firmwares directly from Samsung servers, so the download is really fast and guaranteed to be perfect/stock.
**the SM-G920R7 is closest related to the SM-G920R4 (US Cellular) & SM-G920P (Sprint). The US Cellular one recently supports GSM Bands natively without any rooting/messing with hidden settings, so that's where i'd start. You may not even need the baseband/modem, just flash the rom? I'm not sure. Good luck dude It'd be awesome if you get it working
*** Also, make sure you have a backup of your EFS before messing with the modem. Apparently if you flash an incompatible modem you can erase/corrupt the EFS partition and lose your IMEI. Hell, make a FULL backup with TWRP, and make sure that backup is copied over to your computer before doing any flashing. You can't be too careful with this.

Haven't had any luck flashing stock firmware or modems from other models using Odin, errors with a security message or something, tried G920A and G920R4. Probably for the best I suppose. Flashing custom roms has not been a problem, even if the don't work properly. Wonder if there is a test mode or way to use logcat to see why calls don't proceed like normal. Never worked on going CDMA to GSM before, I always did CDMA to CDMA in the past.

[UNLOCKED] SM-G935T / T-Mobile

Hi community,
A question for many of us in regards to 'unlocking' or "how to unlock" from our carriers, I have done a very simple and silly way to unlock my phone from T-Mobile.
I am currently under SM-G935U Firmware (4API3), coming from SM-G935T's 4APIA Firmware.
Follow these simple steps in order to unlock from your carrier.
***NOTE: THIS METHOD ONLY WORKS IN STOCK FIRMWARES. YOUR DEVICE WILL BREAK IF YOU TRY TO INSTALL UNDER A CUSTOM ROM***
1.- If you have previously installed a custom ROM (Echoe, Tekv2), say bye bye for now. Using Odin latest version (3.12.3), flash Stock Firmware '4APIA'. After set up enable developer options and USB Debugging.
2.- Download SM-G935U's official firmware from SamMobile or Samsung-Firmwares (Make sure you download the TMO region firmware)
3.- Create a new folder on your desktop, copy and paste BL & AP files from the SM-G935U firmware you just downloaded. From the SM-G935T stock firmware you downloaded, copy and paste CP & CSC_HOME files.
*Basically you will have BL/AP from G935U and CP/CSC_HOME from G935T*
4.- Flash these files through ODIN, but WARNING: After flashing your phone will reboot. Go into recovery mode and wipe cache/data + wipe data.
5,- You will get to see a dm-verityverification failed, no mount blah blah blah. Just ignore it. After deleting cache and data reboot again into download mode...BUT THIS TIME ONLY FLASH CP file from G935T while the CSC_HOME you will flash now will be the official G935U file.
6.- After reboot, done.
I was able to install Google Voice

Sounds promising going to try this when I get home, was having all those issues with dm-verity.
Have you tried just wiping the cache and not wiping data with success? (Dirty flashing)
Or we all starting from scratch?
since root with eng kernel makes my phone burn up and kills my battery, even with all the remedies. The g935u is an option I would love to play with.

But how did you unlock the sim? You have the unlocked versions firmware so less bloat and no carrier garbage but the phone itself would appear to still be locked to TMO. Splain.

Hi there. This firmware is so much better than the stock TMO firmware, everything works excellent. I used stock tmo firmware first APIA, next tmo G935U API3 next. I tried your way first on a S7 Edge with bad IMEI and it wasn't working. I used another S7 Edge but this time I flash all the G935U API3 firmware, it work flawlessly with one simple try. Just put AP/BL/CP/CSC and flash with the latest Odin, you wouldn't have problems. My 2 other TMO S7 Edge are on stock G935U and saying official.

Hey can make a video like you did please.

kdecoteau1 said:
Hi there. This firmware is so much better than the stock TMO firmware, everything works excellent. I used stock tmo firmware first APIA, next tmo G935U API3 next. I tried your way first on a S7 Edge with bad IMEI and it wasn't working. I used another S7 Edge but this time I flash all the G935U API3 firmware, it work flawlessly with one simple try. Just put AP/BL/CP/CSC and flash with the latest Odin, you wouldn't have problems. My 2 other TMO S7 Edge are on stock G935U and saying official.
Click to expand...
Click to collapse
Yes indeed it is. G935U feels great, faster response, no lag at all and for some reason I get 4G LTE even with Roaming (Mexico) I am still with T-Mobile...were you able to UNLOCK the SIM?

b0ricuaguerrero said:
Sounds promising going to try this when I get home, was having all those issues with dm-verity.
Have you tried just wiping the cache and not wiping data with success? (Dirty flashing)
Or we all starting from scratch?
since root with eng kernel makes my phone burn up and kills my battery, even with all the remedies. The g935u is an option I would love to play with.
Click to expand...
Click to collapse
Hey bori,
Every time I flash a custom ROM or even going back to stock, I always wipe cache/data. It is just the way I like to do things on my phone, not keeping any traces from previous ROM/FIRMWARE.
Make sure you download the official Firmware from SamMobile or Samsung-Firmware.
I heard updato is a fast download Firmware site.

purotijuana said:
Hey bori,
Every time I flash a custom ROM or even going back to stock, I always wipe cache/data. It is just the way I like to do things on my phone, not keeping any traces from previous ROM/FIRMWARE.
Make sure you download the official Firmware from SamMobile or Samsung-Firmware.
I heard updato is a fast download Firmware site.
Click to expand...
Click to collapse
Well i tried last night but ended up with the same results. Goes perfect in Odin. But boots straight into recovery even though I wiped everything and reflashed cp and home csc from g935t files.

For the TMO and other SM-G935 firmware, check out THEANDROIDSOUL.COM . They have about 90% of all firmware.
---------- Post added at 11:02 PM ---------- Previous post was at 10:40 PM ----------
I'm not a big fan of stock roms, custom is the way but this TMO G935U FIRMWARE IS THE ****TTT !!!.
The last time I used a stock Rom was from HTC EVO 4G, after that was the Sprint S2 and I never USED ANY PHONES WITHOUT A CUSTOM ROM TILL NOW.
This TMO G935U FIRMWARE, I did a ANTUTU BENCHMARK LAST NIGHT after flashing the firmware. Mennn! The score was higher than the note 7 N9300 by 4000 points, I couldn't believe it. I did a second test samething. The battery performance is excellent.

All mine said was applied multi csc now I get lte+

Nah I didn't try to unlock it yet, I have to get an AT&T sim card or simple mobile card and see if it ask for codes. If that works that will be great for everyone ?.

Which U firmware are you guys flashing and what would be the differences between them? I'm currently on the T-Mobile U firmware.

tried this... asks code also ... but anycode can give message "network successfull".
BUT its not unlocked... still "invalid sim card inserted error" is there.

So this method works or not? I want to know before I take the plunge. Also Dm verity error doesn't sound good either. I had a note edge with that error and it was a major headache.

bryanpen said:
So this method works or not? I want to know before I take the plunge. Also Dm verity error doesn't sound good either. I had a note edge with that error and it was a major headache.
Click to expand...
Click to collapse
i was able to flash g935u firmware totally.. but didnt work for me.

Hi all. As far as I can see, the U firmware unlocked the phone. I inserted a SIMPLE MOBILE CARD into my G935T running G935U firmware, the phone boot into like recovery mod but the screen go BLUE and it configures SIM UNLOCKED SYSTEM, then it reboot and walla the phone have service on SIMPLE MOBILE NETWORK. I was very SURPRISED it works because the phone is locked to T-Mobile and only the DEVICE APP to unlock it. So at this point I'm only using the G935U firmware on my G935T, no more T-Mobile firmware bull crap. Next I'll get an AT&T SIM card and try that for 30 days.

kdecoteau1 said:
Hi all. As far as I can see, the U firmware unlocked the phone. I inserted a SIMPLE MOBILE CARD into my G935T running G935U firmware, the phone boot into like recovery mod but the screen go BLUE and it configures SIM UNLOCKED SYSTEM, then it reboot and walla the phone have service on SIMPLE MOBILE NETWORK. I was very SURPRISED it works because the phone is locked to T-Mobile and only the DEVICE APP to unlock it. So at this point I'm only using the G935U firmware on my G935T, no more T-Mobile firmware bull crap. Next I'll get an AT&T SIM card and try that for 30 days.
Click to expand...
Click to collapse
What steps did you take to get this to work?
No matter what I do I cannot get my phone to go into the Samsung sim unlock screen after flashing in various combinations, including following the OP exactly

kdecoteau1 said:
Hi all. As far as I can see, the U firmware unlocked the phone. I inserted a SIMPLE MOBILE CARD into my G935T running G935U firmware, the phone boot into like recovery mod but the screen go BLUE and it configures SIM UNLOCKED SYSTEM, then it reboot and walla the phone have service on SIMPLE MOBILE NETWORK. I was very SURPRISED it works because the phone is locked to T-Mobile and only the DEVICE APP to unlock it. So at this point I'm only using the G935U firmware on my G935T, no more T-Mobile firmware bull crap. Next I'll get an AT&T SIM card and try that for 30 days.
Click to expand...
Click to collapse
Hey there, can u tell us how to make it?

SimpleMobile Sim works on T-Mobile locked Devices
kdecoteau1 said:
Hi all. As far as I can see, the U firmware unlocked the phone. I inserted a SIMPLE MOBILE CARD into my G935T running G935U firmware, the phone boot into like recovery mod but the screen go BLUE and it configures SIM UNLOCKED SYSTEM, then it reboot and walla the phone have service on SIMPLE MOBILE NETWORK. I was very SURPRISED it works because the phone is locked to T-Mobile and only the DEVICE APP to unlock it. So at this point I'm only using the G935U firmware on my G935T, no more T-Mobile firmware bull crap. Next I'll get an AT&T SIM card and try that for 30 days.
Click to expand...
Click to collapse
I know this is a late response but it's good to know. SimpleMobile has been running under T-Mobile Network, whether your T-Mobile Phone is locked or unlocked it will work when a SimpleMobile Sim is inserted.

network unlock code????

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
Click to expand...
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
Click to expand...
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.
Click to expand...
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
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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?

Switch from SM-G930U Nougat to SM-G930T Oreo (T-Mobile) possible?

Has anyone successfully (or have any info regarding) converted from a SM-G930U (7.0) to a SM-G930T (8.0)?
I have a completely stock, working S7 SM-G930U (that I previously converted from SM-G930V), updated to the latest Unlocked 7.0 version. I was eager to get Oreo, but didn't want to wait for 930U firmware so decided to just switch to the T-mobile version because I'm on a T-mobile MVNO. However, when I tried just flashing the G930T files with Odin it fails right after the "emmc_appsboot.mbn.lz4" step (whatever that is). This made the phone unbootable and would just boot loop.
I was able to successfully recover the phone by re-flashing the G930U files again after downloading from Updato. So the phone is working again, but I'm right back where I started.
So, my question is: Is there something different that I should be doing, or some other secret to go from U -> T, with the intent of getting Oreo? Would it work if I flashed the 7.0 version of 930T, then taken the OTA update?
Edit: As indicated in the responses below, the solution is the latest Odin version (3.13.1), and I successfully converted. Good luck!

quasihellfish said:
Has anyone successfully (or have any info regarding) converted from a SM-G930U (7.0) to a SM-G930T (8.0)?
I have a completely stock, working S7 SM-G930U (that I previously converted from SM-G930V), updated to the latest Unlocked 7.0 version. I was eager to get Oreo, but didn't want to wait for 930U firmware so decided to just switch to the T-mobile version because I'm on a T-mobile MVNO. However, when I tried just flashing the G930T files with Odin it fails right after the "emmc_appsboot.mbn.lz4" step (whatever that is). This made the phone unbootable and would just boot loop.
I was able to successfully recover the phone by re-flashing the G930U files again after downloading from Updato. So the phone is working again, but I'm right back where I started.
So, my question is: Is there something different that I should be doing, or some other secret to go from U -> T, with the intent of getting Oreo? Would it work if I flashed the 7.0 version of 930T, then taken the OTA update?
Click to expand...
Click to collapse
You need to update your Odin. Oreo ROMs use a new compression format that your old Odin can't handle.

Ultima99 said:
You need to update your Odin. Oreo ROMs use a new compression format that your old Odin can't handle.
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Update to what? I was using 3.12.7.
Edit: OK, looks like I found it. 3.13.1 is for Oreo, etc. Thanks for the heads-up.

Hi. I have the same Verizon s7 and have also got a 930u rom on it but I am desperate for Oreo. Have you managed to successfully flash the 930t oreo rom? And if so where did you download it from?

updated URL
james909 said:
Hi. I have the same Verizon s7 and have also got a 930u rom on it but I am desperate for Oreo. Have you managed to successfully flash the 930t oreo rom? And if so where did you download it from?
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Yes, I was successful. You can get the firmware from Updato here: https://updato.com/firmware-archive-select-model?q=SM-G930T&exact=1&r=&v=Oreo(Android+8.0.0)&rpp=15
But ignore their update instructions, as they are outdated and meant for Nougat and below. You need Odin 3.13.1, from here: https://forum.xda-developers.com/galaxy-s8+/how-to/guide-flash-oreo-g955fxxu1crb7-using-t3755789.
If you try with an older Odin version it will soft-brick your device (as I found). Otherwise flashing instructions are simple and the same as when you switched to 930U.

Great thanks. I will try it!

I can't get it to start. I've loaded up the firmware into odin, connected the phone in download mode and it won't start flashing. What could I be doing wrong and is it worth doing anyway?

james909 said:
I can't get it to start. I've loaded up the firmware into odin, connected the phone in download mode and it won't start flashing. What could I be doing wrong and is it worth doing anyway?
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I can't tell you if it's worth it (I think it is). But you also need the Samsung USB drivers installed on your PC, and you need USB debugging turned on, etc. Make sure you have a working connection before flashing.

It worked. Thanks!

Does it has the whole bloatware thing???
I'm still gonna flash it, but I wanna know, cuz I'm not in my house right now, and also is it laggy???

Whicho_castillo said:
Does it has the whole bloatware thing???
I'm still gonna flash it, but I wanna know, cuz I'm not in my house right now, and also is it laggy???
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Click to collapse
Define "bloatware thing". There's like half a dozen T-mobile apps, plus a small handful of other "pre-installed" things like Whatsapp, etc. Virtually all of them can be disabled. The only one I've found that can't is the official T-mobile account app. But I just cleared the apps data, and never use it. I'm not logged in or anything, so it sits there idle.
Regarding "laggy", I can't really say. It works as well as Nougat did. And I think I can say the battery life is definitively better.

quasihellfish said:
Define "bloatware thing". There's like half a dozen T-mobile apps, plus a small handful of other "pre-installed" things like Whatsapp, etc. Virtually all of them can be disabled. The only one I've found that can't is the official T-mobile account app. But I just cleared the apps data, and never use it. I'm not logged in or anything, so it sits there idle.
Regarding "laggy", I can't really say. It works as well as Nougat did. And I think I can say the battery life is definitively better.
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Thank for your response, at least I'll be using GoodLock

I have all the files over in the TMobile forum
Use the latest Odin
https://forum.xda-developers.com/tm.../sm-g930t-official-stock-oreo-update-t3810449
---------- Post added at 05:21 AM ---------- Previous post was at 05:18 AM ----------
quasihellfish said:
Has anyone successfully (or have any info regarding) converted from a SM-G930U (7.0) to a SM-G930T (8.0)?
I have a completely stock, working S7 SM-G930U (that I previously converted from SM-G930V), updated to the latest Unlocked 7.0 version. I was eager to get Oreo, but didn't want to wait for 930U firmware so decided to just switch to the T-mobile version because I'm on a T-mobile MVNO. However, when I tried just flashing the G930T files with Odin it fails right after the "emmc_appsboot.mbn.lz4" step (whatever that is). This made the phone unbootable and would just boot loop.
I was able to successfully recover the phone by re-flashing the G930U files again after downloading from Updato. So the phone is working again, but I'm right back where I started.
So, my question is: Is there something different that I should be doing, or some other secret to go from U -> T, with the intent of getting Oreo? Would it work if I flashed the 7.0 version of 930T, then taken the OTA update?
Click to expand...
Click to collapse
U firmware is just firmware without carrier bloat. You can flash any carrier on an unlocked phone. I provided the link to my thread with the official TMobile Oreo stock files just get Odin. https://forum.xda-developers.com/tm.../sm-g930t-official-stock-oreo-update-t3810449

hello. I had flashed my smg930a with smg930U firmware. after that everytime I restarted my mobile, it showed error " no network connection " sometimes it picked up network after a restart and sometimes it picked up network after weeks. Tried flashing smg930a firmware again but the error remains same. Now i flashed it with smg930t firmware hoping the error will end but it shows "searching" and I've no network connection.
any help will be great.

Hi, there's bloatware and it's mildly annoying as is the t-mobile splash screen and sound effect. I'll switch bach to 930u when Oreo is available. You'll also have no data toggle swith in the shortcuts when you pull the screen down. However, I added mine using adb. You can also uninstall programs uing adb but I haven't. If anyone has the adb script for removing t-mobile apps I'd be greatful if they'd post it.

UmerBaig said:
hello. I had flashed my smg930a with smg930U firmware. after that everytime I restarted my mobile, it showed error " no network connection " sometimes it picked up network after a restart and sometimes it picked up network after weeks. Tried flashing smg930a firmware again but the error remains same. Now i flashed it with smg930t firmware hoping the error will end but it shows "searching" and I've no network connection.
any help will be great.
Click to expand...
Click to collapse
Call your network provider or carrier and see if they can change the settings or to make sure your data settings are set up right. Things like apn settings, network, etc.
---------- Post added at 03:18 PM ---------- Previous post was at 03:17 PM ----------
james909 said:
Hi, there's bloatware and it's mildly annoying as is the t-mobile splash screen and sound effect. I'll switch bach to 930u when Oreo is available. You'll also have no data toggle swith in the shortcuts when you pull the screen down. However, I added mine using adb. You can also uninstall programs uing adb but I haven't. If anyone has the adb script for removing t-mobile apps I'd be greatful if they'd post it.
Click to expand...
Click to collapse
Once official Oreo is out for 930u I'm switching back also

UmerBaig said:
hello. I had flashed my smg930a with smg930U firmware. after that everytime I restarted my mobile, it showed error " no network connection " sometimes it picked up network after a restart and sometimes it picked up network after weeks. Tried flashing smg930a firmware again but the error remains same. Now i flashed it with smg930t firmware hoping the error will end but it shows "searching" and I've no network connection.
any help will be great.
Click to expand...
Click to collapse
What network SIM are you using? You kind of need to match the firmware with the carrier you are using, as it enable certain radios. That being said, the 930U should work universally. If it doesn't, then you probably didn't update or use the right APN settings to enable LTE. You'll have to do some online searching to look for the appropriate APN settings for your carrier, especially if you are using a firmware version that doesn't match your carrier.

I have Tmobile G930t.
Can i install G930FD indian rom in it?
Indian roms are for exynos processors i guess..
Pls advice

atin_garg said:
I have Tmobile G930t.
Can i install G930FD indian rom in it?
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Click to collapse
NO!
atin_garg said:
Indian roms are for exynos processors i guess.
Click to expand...
Click to collapse
Yes.

Can i Install this on My 930U its nougat and this to go on OREO ? is it possible ?
Thanks