Just ordered my wife a G2, it is unlocked however it is the AT&T variant and we are on Tmo. I have read that someone took a Tmo rom and made it possible to flash this to the AT&T model along with the KK baseband so that we can use Tmos wifi calling. However I would like to know if I can simply just flash a Tmo stock image and flash the KK baseband if this will work or am I looking into this all wrong?
This is where I read about the Tmo on AT&T rom:
http://phoneprouser.com/lg-g2-rom-that-supports-wifi-calling-on-att/1007/
Can anyone tell me if the ROM mentioned in the link above is this the latest ROM for the G2? Thank you in advance.
Side Question, if I want to flash Cyanogenmod and still want to retain the wifi calling can I flash the Tmo rom along with the aforementioned KK baseband?
https://download.cyanogenmod.org/?device=d800
ozzmanj1 said:
Just ordered my wife a G2, it is unlocked however it is the AT&T variant and we are on Tmo. I have read that someone took a Tmo rom and made it possible to flash this to the AT&T model along with the KK baseband so that we can use Tmos wifi calling. However I would like to know if I can simply just flash a Tmo stock image and flash the KK baseband if this will work or am I looking into this all wrong?
This is where I read about the Tmo on AT&T rom:
http://phoneprouser.com/lg-g2-rom-that-supports-wifi-calling-on-att/1007/
Can anyone tell me if the ROM mentioned in the link above is this the latest ROM for the G2? Thank you in advance.
Side Question, if I want to flash Cyanogenmod and still want to retain the wifi calling can I flash the Tmo rom along with the aforementioned KK baseband?
https://download.cyanogenmod.org/?device=d800
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THIS IS AN ABSOLUTE AND COMPLETE NO GO, FLASHING A FACTORY IMAGE FOR A DIFFERENT MODEL CAN HARD BRICK YOUR DEVICE, IN FACT I'D PRETTY MUCH GUARANTEE IT!!! GO INTO THE ATT DEVELOPMENT THREAD AND FIND SAID T MOBILE ROM FOR YOUR DEVICE, FLASH THAT IF YOU WANT TO. As an answer to the side question there is no way to retain wifi calling on cyanogenmod, especially on a non tmo device. Finally as for the baseband find out what baseband the respective ROMs need (the tmobile one for ATT G2s or the CM build you choose to use).
Got a used S4 with "custom unlocked" boot screen. Is it limited to SafeStrap?
As mentioned in the title, I just got a used S4. It has AT&T software loaded on it (NC1). I can load SafeStrap *but* my provider is T-Mobile.
The first screen shown when I turn on the phone has an unlocked padlock icon with the text "custom". Does that mean I can use a recovery other than SafeStrap? I ask because I want to run T-Mobile ROMs (or Cyanogenmod preferably) which aren't always TWRP compatible.
If I am stuck, are the AT&T ROMs going to work well with T-Mobile?
As long as you have AT&T S4, you'll be limited to using Safestrap recovery only. The problem is AT&T's choice of locking the bootloader that prevents you from flashing any other recovery or any non-Samsung ROM. You can't flash a T-Mobile ROM for this reason, either.
Someone successfully got WiFi calling working on AT&T phone, though. If you're interested, check it out.
Almost all AT&T Samsung ROMs work perfectly with T-Mobile service. You can even flash some i9505 ROMs, too. Again, Samsung ROMs only
Is the "unlocked custom" boot screen normal for these phones?
This seems like a pretty interesting phone! Haha, so if I understand you correctly, the phone is the T-Mobile variant of the Galaxy S4 with an AT&T Rom loaded onto it with the Safe Strap Recovery? OR is it the AT&T variant of the S4, with a fancy padlock boot screen and you're a T-Mobile customer?
As @xymic posted, there is a way to get a T-Mobile rom on the phone!
I have two AT&T S4's and both are being used on the T-Mobile network. One is running a Lollipop AT&T rom and it works great with my T-Mobile sim! No problems. Another is running the Kitkat T-Mobile rom and it's working flawlessly as well!
I'm not too sure about the unlocked custom boot screen however. It appeared once for me but it didn't come back after I started flashing different roms.
I don't know what carrier the phone used to have. I assume AT&T because it has an AT&T ROM loaded. If that "unlocked custom" icon is something you've seen then this is probably a very normal carrier phone.
indIvide said:
I don't know what carrier the phone used to have. I assume AT&T because it has an AT&T ROM loaded. If that "unlocked custom" icon is something you've seen then this is probably a very normal carrier phone.
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That custom unlocked thing is normal for anyone on here at least. Means there's either root or modified system files, or there were either of those and the status hasn't reset yet.
Sent from my GT-I9505 using XDA Free mobile app
xymic said:
As long as you have AT&T S4, you'll be limited to using Safestrap recovery only. The problem is AT&T's choice of locking the bootloader that prevents you from flashing any other recovery or any non-Samsung ROM. You can't flash a T-Mobile ROM for this reason, either.
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False. If you're on the AMDL bootloader or older, you can use Loki. The chances of finding a used Loki'd phone are slim and you're are better off with the international version with the correct bands, if buying a used S4. MUCH better access to ROMs.
hello. please you guys I want a Flashable stock rom using Odin that isn't verizon.. I mean that doesn't contain verizon apps and logo.. please I don't have enough Internet to try all roms... Thank you
You could easily look for G900F (International) firmware instead of G900V (Verizon) firmware.
You MUST be bootloader unlocked, and you'll also lose the ability to be on a Verizon or similar CDMA network, if I recall correctly. A much easier solution would be to do a quick look through the forum and find a "debloated" or "slim" stock rom - you won't be able to flash it through Odin, but you can through TWRP (Safestrap if you aren't unlocked). They should be Verizon-apps free, and still be able to function on the Verizon network.
I was wondering. I have the T-Mobile S7 Edge and when I get it unlocked could I flash almost any stock firmware that is based on the Qualcomm varent?
Like go from T-Mobile's Stock to AT&T's stock rom?
Correct.
After you flash your desired USA Qualcomm variant stock rom, be sure to flash your desired carrier's modem over the freshly flashed rom. This would ensure that all your LTE bands are not only firing correctly, but optimally because the incorrect modem parameters will cause battery drain.
ant0nius said:
Correct.
After you flash your desired USA Qualcomm variant stock rom, be sure to flash your desired carrier's modem over the freshly flashed rom. This would ensure that all your LTE bands are not only firing correctly, but optimally because the incorrect modem parameters will cause battery drain.
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Now I did update to T-Mobile's Android 7 update, would that make it so I cant do this anymore?
Vicpdx18 said:
Now I did update to T-Mobile's Android 7 update, would that make it so I cant do this anymore?
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You may flash unlimited more times as you please. So long as only Official Samsung firmwares are used, KNOX will never be triggered.
I have flashed countless times on my S7E and it hasn't broke yet lol. I am running TMO 7.0 Nougat firmware on my Verizon branded S7E (SM-G935V) right now.
In a few weeks, I'm planning to gift it to my friend for her birthday. Since she has AT&T, I will simply download and flash the latest AT&T 7.0 Nougat firmware via Odin. If she decides to change carrier to Verizon or TMobile later on, I would just have to help her reflash the corresponding firmware via Odin. No biggy whatsoever. :cyclops:
So I've spent a few hours searching XDA to find the right resources on how to flash a different U.S. carrier's GS7 Edge firmware on the T-Mobile branded device. I found out that since all the internal hardware for all U.S. devices are identical, I'd be able to flash any one carrier's firmware on to any carrier's device, provided there are no inconsistencies with the bootloader versions of the firmwares.
The phone is intended for an extended family member and I am able to purchase a T-Mobile GS7 Edge for significantly cheaper than from any other carrier. Because it will be used on AT&T's network, I wanted to make sure I got everything right before I get started. I either want to flash the AT&T version which will allow it to be fully compatible on the network, or the Unlocked version. Apparently, the unlocked version is completely debloated since it's not associated with any carrier and provides better benchmarks, especially battery life, so I'm interested in that.
I've compiled the resources I need in the following:
https://forum.xda-developers.com/att-s7-edge/how-to/firmware-att-s7-edge-g935a-official-t3412312
https://forum.xda-developers.com/att-s7-edge/help/att-t-mobile-bootloader-version-t3473281
https://forum.xda-developers.com/tmobile-s7-edge/help/installed-sm-g935u-sm-g935t-firmware-t3482945
https://forum.xda-developers.com/att-s7-edge/how-to/samsung-sm-935u-firmware-install-guide-t3411451
https://forum.xda-developers.com/att-s7-edge/how-to/firmware-pi2-s7-edge-sm-g935a-10-03-16-t3477246
https://forum.xda-developers.com/verizon-s7-edge/how-to/odin-stock-nougat-firmware-t3570156
https://forum.xda-developers.com/att-s7-edge/how-to/updated-935u-935a-live-links-pi3-t3501686
http://updato.com/firmware-archive-select-model?q=SM-G935U&order=date&dir=desc&exact=1
etc.
One question I have is whether I am able to flash the Unlocked firmware at all. I don't currently have the device in hand so I can't check the baseband version, but my understanding is that the Unlocked version is currently on a lower bootloader version whereas it is v4 for AT&T or T.Mobile. This would mean I would be able unable to flash the Unlocked firmware if the device already has a higher version of the bootloader, right? Conversely, I would be able to do so if the T-Mobile bootloader was on the same version as the Unlocked version (e.g., if the device hasn't had an update to its bootloader).. The same issue would arise if I wanted to go back to a carrier firmware. Where can I find a list of T-Mobile firmwares and their bootloader versions so that I can check? Threads I've searched are saying I can't go to 935U from 935A/T because of mismatching bootloaders but others are saying I can go back to 935A/T on Nougat (same bootloader versions?) so clarification would be greatly appreciated.
Edit: Just discovered the bootloader version can be determined by looking at the 9th character in the baseband version. Pretty simple!
Another question I have is whether flashing the AT&T firmware will give me VoLTE, Wifi Calling, tethering, etc. on AT&T's network. I've established that if I flashed the Unlocked firmware, I'll lose these functions (unless I root the phone, but that's a no-go since I need Samsung Pay intact). Just wanted to make sure that I would retain these features if I flashed the AT&T firmware on the T-Mobile device. Also, would I receive all OTAs pushed from AT&T while I'm on their firmware, even though it was a T-Mobile device? Or would I have to manually update it somehow?
Many thanks in advance.
Yes you can flash the unlocked firmware, I do recommend flashing the at&t CP (radio) though for better signal.
For tmobile all we lose is video calling, we retain everything else. I can't answer your other questions since I have not used this phone from tmobile on at&t. I have used the at&t model on tmobile with U and had no issues.
Sent from my SM-G935U using XDA Premium HD app
justda said:
Yes you can flash the unlocked firmware, I do recommend flashing the at&t CP (radio) though for better signal.
For tmobile all we lose is video calling, we retain everything else. I can't answer your other questions since I have not used this phone from tmobile on at&t. I have used the at&t model on tmobile with U and had no issues.
Sent from my SM-G935U using XDA Premium HD app
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^^^^^this man is correct. Also, is the device you want to flash Carrier unlocked? Even though youre flashing a different carriers firmware or even the U firmware I believe the IMEI still needs to be unlocked from the original carrier. Obviously just pop the at&t sim card in the t mobile phone to see if its unlocked. hope this helps.
black96ss said:
^^^^^this man is correct. Also, is the device you want to flash Carrier unlocked? Even though youre flashing a different carriers firmware or even the U firmware I believe the IMEI still needs to be unlocked from the original carrier. Obviously just pop the at&t sim card in the t mobile phone to see if its unlocked. hope this helps.
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Yes, it'll be unlocked, so there won't be problems there. If I flash the AT&T firmware and not the Unlocked firmware, I will retain video calling, yes?
justda said:
Yes you can flash the unlocked firmware, I do recommend flashing the at&t CP (radio) though for better signal.
For tmobile all we lose is video calling, we retain everything else. I can't answer your other questions since I have not used this phone from tmobile on at&t. I have used the at&t model on tmobile with U and had no issues.
Sent from my SM-G935U using XDA Premium HD app
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If I flash the current version of the Unlocked firmware, can I go back to AT&T's or T-Mobile's firmware?
Synchronicities said:
Yes, it'll be unlocked, so there won't be problems there. If I flash the AT&T firmware and not the Unlocked firmware, I will retain video calling, yes?
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flashing the at&t firmware will just be like having an original at&t s7 edge so yes. The Unlocked firmware will be lighter with no video calling(no carrier apps, no carrier boot animation, some of the quick toggles will be different) you will retain VOLTE HD calling, wifi calling(if at&t has that) and with the at&t you will have all the bloat (about 2-3 GB of used storage plus more a tad bit more use on ram usage) which will use more battery. remember like stated above, if you do decide to flash the U firmware, make sure you flash the latest At&t CP being you will have better coverage since youll be on the at&t network.
Synchronicities said:
If I flash the current version of the Unlocked firmware, can I go back to AT&T's or T-Mobile's firmware?
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I was able to flash back to T mobile from the U, I never tried anything with a At&t variant or the at&t firmware
I am also interested. If I flash
1) Will the device status remain "Unmodified" - I use Good for Enterprise for work email and it won't function on rooted or modified devices
2) Will Android Pay Work?
3) Will I get Software updates directly?
cnewsgrp said:
I am also interested. If I flash
1) Will the device status remain "Unmodified" - I use Good for Enterprise for work email and it won't function on rooted or modified devices
2) Will Android Pay Work?
3) Will I get Software updates directly?
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Click to collapse
Can someone review and comment?
---------- Post added at 12:24 PM ---------- Previous post was at 12:19 PM ----------
black96ss said:
flashing the at&t firmware will just be like having an original at&t s7 edge so yes. The Unlocked firmware will be lighter with no video calling(no carrier apps, no carrier boot animation, some of the quick toggles will be different) you will retain VOLTE HD calling, wifi calling(if at&t has that) and with the at&t you will have all the bloat (about 2-3 GB of used storage plus more a tad bit more use on ram usage) which will use more battery. remember like stated above, if you do decide to flash the U firmware, make sure you flash the latest At&t CP being you will have better coverage since youll be on the at&t network.
I was able to flash back to T mobile from the U, I never tried anything with a At&t variant or the at&t firmware
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Does Android Pay work on "U" firmware?
Should I get CP from here => https://forum.xda-developers.com/att-s7-edge/how-to/firmware-att-s7-edge-g935a-official-t3412312
I this a good thread for instructions to install U firmware on T => https://forum.xda-developers.com/att-s7-edge/how-to/samsung-sm-935u-firmware-install-guide-t3411451
cnewsgrp said:
Can someone review and comment?
---------- Post added at 12:24 PM ---------- Previous post was at 12:19 PM ----------
Does Android Pay work on "U" firmware?
Should I get CP from here => https://forum.xda-developers.com/att-s7-edge/how-to/firmware-att-s7-edge-g935a-official-t3412312
I this a good thread for instructions to install U firmware on T => https://forum.xda-developers.com/att-s7-edge/how-to/samsung-sm-935u-firmware-install-guide-t3411451
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Click to collapse
Yes and yes
Sent from my SM-G955U1 using XDA-Developers Legacy app
cnewsgrp said:
I am also interested. If I flash
1) Will the device status remain "Unmodified" - I use Good for Enterprise for work email and it won't function on rooted or modified devices
2) Will Android Pay Work?
3) Will I get Software updates directly?
Click to expand...
Click to collapse
I Flashed an AT&T S7 Edge with T-Mobile firmware and:
1) Status remains unmodified
2) Android pay works (as well as Samsung pay)
3) I've already got 2 T-Mobile pushed firmware updates that installed without any issues.
Don't know if this helps, but I'd think it would be the same going from T-Mobile to AT&T.
I did also have to use a modified version of "ODIN" and flash a "PIT" file because T-Mobile has a different partition than AT&T.
pierre3408 said:
I Flashed an AT&T S7 Edge with T-Mobile firmware and:
1) Status remains unmodified
2) Android pay works (as well as Samsung pay)
3) I've already got 2 T-Mobile pushed firmware updates that installed without any issues.
Don't know if this helps, but I'd think it would be the same going from T-Mobile to AT&T.
I did also have to use a modified version of "ODIN" and flash a "PIT" file because T-Mobile has a different partition than AT&T.
Click to expand...
Click to collapse
Thanks! I am almost ready. Final checks
- I downloaded 935U firmware from here https://forum.xda-developers.com/tmobile-s7-edge/how-to/4-28-t-mobile-935-firmware-t3597866 (File is G935UUEU4BQD2_G935UOYM4BQD2_TMB.zip)
- I am planning to use ODIN 3.12.7
- Since I am on ATT Network I will use ATT Radio (CP File). I downloaded ATT firmware from here => https://forum.xda-developers.com/att-s7-edge/how-to/odin-files-to-s4bqc2-g935a-t3582874
I will use this CP => CP_G935AUCS4BQC2_CL10280464_QB12904088_REV02_user_low_ship_MULTI_CERT.tar
Am I doing everything right?
Should I just flash all U files (including Radio) and flash ATT Radio later?
Please advise
Hi team
I have the tmo ime version of the s7 edge, but flash the ATT firmware BQC2 and now I can not go back to tmobile firmware or the U firmware I got the following error in Odin:
Error device info
Who can help me,?I going to gift my s7 edge to my brother and he is on Tmobile network
Galaxy S7 active
I have a at&t Galaxy S7 active unlocked and i transfer my service to T-Mobile but I am not able to get updates can I flash T-Mobile firmware so I can have the T-Mobile interface and updates. What do I need to do to get the updates.
All US variants can flash the firmware interchangeably. Just download the corresponding firmware and flash everything(Except for the modem if you'd want to keep the original modem). You dont need anything special. If the default odin dont work, then try the comey "cracked" version.
Eric1084 said:
All US variants can flash the firmware interchangeably. Just download the corresponding firmware and flash everything(Except for the modem if you'd want to keep the original modem). You dont need anything special. If the default odin dont work, then try the comey "cracked" version.
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Click to collapse
Why is it that we use the CP for AT&T; however, use the Unlocked CP for TMobile? Are the radios the same for the unlocked and T-Mobile variants? Where would I get this information if I needed it in the future?
I have a GS7 edge locked to T-Mobile with the Device Unlock app. Will flashing G9350U firmware unlock my device and bypass the Device Unlock app or will I still need to use this app to unlock?
Radios are different. I flashed ATT Radio after I flashed U firmware. Though honestly I cannot tell the difference
cnewsgrp said:
Radios are different. I flashed ATT Radio after I flashed U firmware. Though honestly I cannot tell the difference
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you did the sae thing that I am currently doing. going from tmobile (I believe) to AT&T firmware. I am going from verison (which shouldn't matter) but when I did it the first time odin 3.12.7 gave me a message of success after only one "sector" of the whole thing went green. but the phone rebooted to an error message. did I do something wrong? help??
Shadow_Sheik said:
you did the sae thing that I am currently doing. going from tmobile (I believe) to AT&T firmware. I am going from verison (which shouldn't matter) but when I did it the first time odin 3.12.7 gave me a message of success after only one "sector" of the whole thing went green. but the phone rebooted to an error message. did I do something wrong? help??
Click to expand...
Click to collapse
Sorry not an expert, but I read several times here to use Price COmsy ODIN and I use that one. Please try
OTA Update is not working after changing to U firmware.
I had stock T Mobile last firwmare installed, but I was sick of poor battery and lag
so installed this firmware https://forum.xda-developers.com/tmobile-s7-edge/how-to/6-8-t-mobile-935u-firmware-qe2-t3619151, full wipe.
Now I have worst battery performance. 12% draining overnight (6 hours) without touching the phone at all. It shows a new update but it fails when I OTA update. looks like the update it's being installed but fails at the end. Don't know what's wrong but totally hate battery.
Edit: Android pay is also not working..
pierre3408 said:
I Flashed an AT&T S7 Edge with T-Mobile firmware and:
1) Status remains unmodified
2) Android pay works (as well as Samsung pay)
3) I've already got 2 T-Mobile pushed firmware updates that installed without any issues.
Don't know if this helps, but I'd think it would be the same going from T-Mobile to AT&T.
I did also have to use a modified version of "ODIN" and flash a "PIT" file because T-Mobile has a different partition than AT&T.
Click to expand...
Click to collapse
What pit file did you flash? Did you flash the the pit file Odin pulls from your phone? Did you flash an att specific pit file?