Convert AT&T to T-Mobile - AT&T Samsung Galaxy S6 Edge

I was wondering if anyone knows if we can flash stock T-Mobile onto the AT&T G925A? Main reason I am trying to figure this out is for WIFI calling.
Maybe if its possible to odin the tmobile stock rom and the odin the at&t kernel?

WiFi calling only works on tmobile branded phones far as I know

thanks for the commenting..

Related

Need to use ATT i717 with TMO. Please help.

I am unsuccessful so far. This is what I am trying to do, get a tmo modem on the i717 so that I can unlock it without paying anything.
I have a custom recovery through odin but am unsuccessful in getting a tmo sim card recognized with the radios I have tried. What steps do I need and what files to get this i7117 working with tmo? Thanks. :fingers-crossed:
Del
OK. I got it to work. Just had to get the right radio and rom combo to get it to work on tmobile.
what radio did you use? I also use a ATT note on TMo that I just installed T-Mobile 4.0.4 on and dont get LTE. On the stock ATT rom I got LTE. DO you have a radio that will get LTE?
mcernuto said:
what radio did you use? I also use a ATT note on TMo that I just installed T-Mobile 4.0.4 on and dont get LTE. On the stock ATT rom I got LTE. DO you have a radio that will get LTE?
Click to expand...
Click to collapse
Sorry I gave up on this thread but I gave up on the Tmo ROM since I was not able to get wifi calling as I am on metropcs but I tried the TMO stock ROM with the ICS blaze modem and was able to get LTE. I know I had to try a few radios.

[Q] Stock Rom for ATT Note

Hey everyone I use an ATT I717 unlocked on T-Mobile but it is on 2.3.6... Is there a flasdhable zip to bring my phone on a T-Mobile stock rom that is current? Also if there is will it contain the T-Mobile modem if it is necessary. Using the ATT phone I get normally LTE signal in most places. Thanks

Flashing G920A to G920T

Hi all,
I bought the Galaxy S6 from AT&T when it came out, but switched over to T-Mobile from AT&T last year. Because of this, I have been unable to get any updates and have been stuck on Android 6.0 when the current release is android 7.0, so I've been thinking of flashing my phone. I was curious as to whether I'm able to flash my G920A with Tmobile's G920T rom? Would it work? And if so, after I flash it, would I be able to receive updates normally from T-mobile's servers, as I'm currently using a T-mobile sim, or would I have to flash every subsequent update?
Thanks
Doubtful, since AT&T has a locked bootloader. If the bootloader was unlocked you might be able to try.
hiilikepie said:
Hi all,
I bought the Galaxy S6 from AT&T when it came out, but switched over to T-Mobile from AT&T last year. Because of this, I have been unable to get any updates and have been stuck on Android 6.0 when the current release is android 7.0, so I've been thinking of flashing my phone. I was curious as to whether I'm able to flash my G920A with Tmobile's G920T rom? Would it work? And if so, after I flash it, would I be able to receive updates normally from T-mobile's servers, as I'm currently using a T-mobile sim, or would I have to flash every subsequent update?
Thanks
Click to expand...
Click to collapse
You cannot flash a G920T firmware on a G920A. First off, Odin won't let you because the G920T firmware is only signed to be flashed on the G920T.
And even if you somehow rooted and used FlashFire to force the firmware onto your device, the firmware would brick the device, and without a USB jig or SD card port, the brick would be permanent.
hiilikepie said:
Hi all,
I bought the Galaxy S6 from AT&T when it came out, but switched over to T-Mobile from AT&T last year. Because of this, I have been unable to get any updates and have been stuck on Android 6.0 when the current release is android 7.0, so I've been thinking of flashing my phone. I was curious as to whether I'm able to flash my G920A with Tmobile's G920T rom? Would it work? And if so, after I flash it, would I be able to receive updates normally from T-mobile's servers, as I'm currently using a T-mobile sim, or would I have to flash every subsequent update?
Thanks
Click to expand...
Click to collapse
I too am seeking answers on this as I have an SM-920A I brought over to t-mobile. Unlocked the phone, installed the t-mobile SIM and the phone works fine, except, it still has all the old ATT apps I no longer need or desire to be there AND without the T-Mobile apps installed, I cannot use their LTE Signal Booster. Is there any way I can install these t-mobile apps that would have come with the SM-920T load?
BWMcAMA said:
I too am seeking answers on this as I have an SM-920A I brought over to t-mobile. Unlocked the phone, installed the t-mobile SIM and the phone works fine, except, it still has all the old ATT apps I no longer need or desire to be there AND without the T-Mobile apps installed, I cannot use their LTE Signal Booster. Is there any way I can install these t-mobile apps that would have come with the SM-920T load?
Click to expand...
Click to collapse
https://www.google.com/amp/s/forum....t-samsung-g920a-s6-g925a-s7edge-t3564637/amp/
Just do this and remove the AT&T apps you don't want completely.
Sent from my SM-G955U using Tapatalk
So, what can be done -- if anything--to solve this issue?
-wrong

Note 9 flashing firmware

Im trying to change my sprint note 9 into tmobile carrier to get the most out of my device. Its unlocked using it with tmobile but just wanted to get the full potential. Ive read on the forums ive used odin before but want to know if i have to first flash tmobile or sprint ui then flash tmobile u. I understand i have to used the patched odin. But do i need to flash sprint or tmobile ui or just go straight to tmobile u.
You shouldn't have to install the T-Mobile version of the Note 9's OS just to get the most out of your T-Mobile Plan. As the T-Mobile version of the Note OS just has additional T-Mobile Bloatware. If you are having issue receiving the VoLTE reception on your device then I would suggest you speak with a T-Mobile Representative, who would be able to assist you in getting that feature on your device.
timex300 said:
Im trying to change my sprint note 9 into tmobile carrier to get the most out of my device. Its unlocked using it with tmobile but just wanted to get the full potential. Ive read on the forums ive used odin before but want to know if i have to first flash tmobile or sprint ui then flash tmobile u. I understand i have to used the patched odin. But do i need to flash sprint or tmobile ui or just go straight to tmobile u.
Click to expand...
Click to collapse
I'm guessing you're still on Oreo, otherwise it would've just automatically switched to the T-Mobile firmware.
There's a thread here with the T-Mobile firmware (N960USQU1CSB3). Flash it with patched ODIN.
iceepyon said:
You shouldn't have to install the T-Mobile version of the Note 9's OS just to get the most out of your T-Mobile Plan. As the T-Mobile version of the Note OS just has additional T-Mobile Bloatware. If you are having issue receiving the VoLTE reception on your device then I would suggest you speak with a T-Mobile Representative, who would be able to assist you in getting that feature on your device.
Click to expand...
Click to collapse
Well the thing was it was a sprint note 9 and when i made a call it would switch to 3g. It wasn't tmobile it was just the fact that i needed to flash firmware u to get the tmobile radios. I ended up flashing sm-n960u1 no bloatware and now i get hd calliing, full signal, better downloads and uploads. So far so good only thing i was in android pie so i kinda downgraded to oreo i have a ota update security patch but not sure if it will mess up my phone.
timex300 said:
Well the thing was it was a sprint note 9 and when i made a call it would switch to 3g. It wasn't tmobile it was just the fact that i needed to flash firmware u to get the tmobile radios. I ended up flashing sm-n960u1 no bloatware and now i get hd calliing, full signal, better downloads and uploads. So far so good only thing i was in android pie so i kinda downgraded to oreo i have a ota update security patch but not sure if it will mess up my phone.
Click to expand...
Click to collapse
Glad that it all worked out for you. I am surprised that the unlocked OS worked so well on a Sprint device as in the past Cell Provider Branded devices had hardware restrictions so that they could only be use on their network.
iceepyon said:
Glad that it all worked out for you. I am surprised that the unlocked OS worked so well on a Sprint device as in the past Cell Provider Branded devices had hardware restrictions so that they could only be use on their network.
Click to expand...
Click to collapse
Yeah me too. I was a bit skeptical about it at first so i started doing sum research and found out about flashing firmware. Ended it up buying it and flashed the firmware and so far everything is good. Only thing i downloaded the oreo u1 idk if they have pie. But using sammobile to download firmware was just slow on my wifi.
Mr. Orange 645 said:
I'm guessing you're still on Oreo, otherwise it would've just automatically switched to the T-Mobile firmware.
There's a thread here with the T-Mobile firmware (N960USQU1CSB3). Flash it with patched ODIN.
Click to expand...
Click to collapse
I was actually in android pie with sprint software and it didnt change boot logo. Still showed sprint well eithery way i downgraded to oreo u1 the downloaded tmobile u1 android pie and got everything working better. No more bloatware or boot logo which is fine. Now i get full signal outside, wifi calling, and hd calling works perfect. Better downloads and uploads too on lte.
timex300 said:
I was actually in android pie with sprint software and it didnt change boot logo. Still showed sprint well eithery way i downgraded to oreo u1 the downloaded tmobile u1 android pie and got everything working better. No more bloatware or boot logo which is fine. Now i get full signal outside, wifi calling, and hd calling works perfect. Better downloads and uploads too on lte.
Click to expand...
Click to collapse
That's really weird. Pie has BYOD firmware which automatically does the carrier switching for you. Not sure why it didn't work for you when you put your T-Mo SIM in it.
I had a note 8 from verizon before i got the note 9 and on the 8 it switched from verizon boot to tmobile. Idk maybe just sprint doesnt have that. Another thing when i had the 8 i used it with metropcs even though its under tmobile network no metro boot logo but as soon as i put the tmobile tmobile bloatware downloaded automatically.
Help
timex300 said:
Well the thing was it was a sprint note 9 and when i made a call it would switch to 3g. It wasn't tmobile it was just the fact that i needed to flash firmware u to get the tmobile radios. I ended up flashing sm-n960u1 no bloatware and now i get hd calliing, full signal, better downloads and uploads. So far so good only thing i was in android pie so i kinda downgraded to oreo i have a ota update security patch but not sure if it will mess up my phone.
Click to expand...
Click to collapse
How did you do the flash, I am in the same situation. I need to flash my unlocked Note 9 to ATT firmware so I can use the HD features. Please share me a link to steps.
Craniumbox said:
How did you do the flash, I am in the same situation. I need to flash my unlocked Note 9 to ATT firmware so I can use the HD features. Please share me a link to steps.
Click to expand...
Click to collapse
The thing about at&t is that they have a strict policy about hd calling i believe so the only way to get their hd calling and wifi calling is purchase a at&t note 9. Unless u wanna try flashing it with odin patched i used on mine. Dont have a note anymore but their is allot of post on odin flashing u can look up. Do ur research cant stess that enough

install Verizon "Advanced Calling" on G973U1 firmware?

Verizon is my carrier and I am upgrading to an S10 from an S7. I bought a new S10 loaded with the first Verizon version of Android 10, G973USQS2CSL1. I want to get rid of the bloatware and go back to Android 9. My plan is to flash the U1 firmware, G973U1UES2BSIV, using all 4 of the U1 files. Then flash the Verizon CSC file from this firmware, G973USQS2BSIV, so I can get the "Advanced Calling" for Verizon. I was going to try to do that on my S7 but never got around to it. Here's a thread I created on the S7 forum that said that's what I would need to do to run the unbranded firmware on the S7 but also have Verizon's Advanced Calling (wifi calling, video call, hd calling). https://forum.xda-developers.com/galaxy-s7/help/install-verizon-advanced-calling-g930u-t3997525
I noticed the S10 Verizon firmware now has a 5th file, a USERDATA file. Will I need to also flash that?
I wanted to point out, my new phone is currently locked, but Verizon automatically unlocks it after 60 days. https://www.verizon.com/about/consumer-safety/device-unlocking-policy Will it be a problem if I flash the unbranded firmware on a phone that is still locked? Since Verizon is my carrier, I will obviously be using a Verizon SIM card.
Thank for the help.
You can flash any firmware to your phone as long as it's for the U or U1 models as the "U" means Universal. Bought a phone from AT&T? Flash the Sprint or T-mobile firmware without issues. Same for Verizon and other U.S. carriers firmware.
Flashing the unbranded firmware will get rid of the bloatware, but will also get rid of other features like wifi calling, advanced calling, etc. The user data file is just all of Verizon's bloatware and info crap.
As for going back to Android 9, you can do that as long as you're still on the v2 bootloader. If you've upgraded to the v3 bootloader via OTA, you won't be able to return to Android 9.
StoneyJSG said:
You can flash any firmware to your phone as long as it's for the U or U1 models as the "U" means Universal. Bought a phone from AT&T? Flash the Sprint or T-mobile firmware without issues. Same for Verizon and other U.S. carriers firmware.
Flashing the unbranded firmware will get rid of the bloatware, but will also get rid of other features like wifi calling, advanced calling, etc. The user data file is just all of Verizon's bloatware and info crap.
As for going back to Android 9, you can do that as long as you're still on the v2 bootloader. If you've upgraded to the v3 bootloader via OTA, you won't be able to return to Android 9.
Click to expand...
Click to collapse
I'm on v2 bootloader. Have you heard of flashing the VZW CSC file on top of the U1 unbranded firmware? Apparently people have done it on older devices, like the S7, that only took the 4 files when flashing. I'm trying to run unbranded firmware but still have the Verizon Advanced Calling (wifi calling, HD calling, video call).
Okay if you're on bootloader v2 then you can go back to Android 9. I haven't heard of flashing the carrier CSC file with the unbranded U1 firmware. It might work or might also brick your phone.

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