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AT&T S4 on Tmobile - Custom Rom?

Hello,
I have an AT&T S4 that I want to run on Tmobile. It was running Android 4.3/MF3 baseband so I was able to install safestrap and root it. I am running the stock rooted ROM (with SIM unlock via region lock away) and the QCN file update to get 4G LTE/HSPA and 3G.
I would like to install a custom ROM but each time I do I get a bootloop. I am installing via safestrap in a slot I created NOT the stock rom slot. But as I said each time I try to boot I get a boot loop and have to return to the stock rooted rom via the stock rom slot. I got wicked rom to load but Wifi didn't work.
Am I able to install tmobile ROMS on this device (I want to be able to tether)? How do I do that? Which kernel do I use, the ATT or tmobile kernel? Do I install the ROM in the stock slot or the safestrap virtual slot?
I don't want to wind up with a device I cannot use on tmobile. Also, my computer does not see the S4 any longer. It sees my Note 3 fine but when I plug in the S4 it doesn't show as a device.

Which custom rom were you attempting to install? Was it a 4.2.2 touchwiz rom?

Kaze105 said:
Which custom rom were you attempting to install? Was it a 4.2.2 touchwiz rom?
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Wicked
I'm running 4.3 so does that mean I can only run 4.3 ROMS in the virtual slot?
My baseband ends with MF3 and my build number ends in MK2. What are my opitons?

nesta17 said:
Wicked
I'm running 4.3 so does that mean I can only run 4.3 ROMS in the virtual slot?
My baseband ends with MF3 and my build number ends in MK2. What are my opitons?
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Click to collapse
If your build number is MK2, you're on 4.3. You need Safestrap 3.71, and you can only run other 4.3 Touchwiz ROMs. Kernel doesn't matter because Safestrap does not flash kernels. You should be fine flashing any TMobile 4.3 TW ROM.

DeadlySin9 said:
If your build number is MK2, you're on 4.3. You need Safestrap 3.71, and you can only run other 4.3 Touchwiz ROMs. Kernel doesn't matter because Safestrap does not flash kernels. You should be fine flashing any TMobile 4.3 TW ROM.
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We can flash TMOBILE ROMS on this ATT s4?
Sent from my SGH-M919 using XDA Premium 4 mobile app

bstylz911 said:
We can flash TMOBILE ROMS on this ATT s4?
Sent from my SGH-M919 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
You can flash ROMs from any variant, they just may not work as well and you have to make sure you flash a kernel that matches your phone afterwards (Tmobile rom, but kernel from AT&T section)

DeadlySin9 said:
You can flash ROMs from any variant, they just may not work as well and you have to make sure you flash a kernel that matches your phone afterwards (Tmobile rom, but kernel from AT&T section)
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Click to collapse
But right now I have a T-Mobile kernel and it runs fine. When I flash an att kernel my MMS stops working.
Hyperdrive T-Mobile compatibility pack with T-Mobile ktonnz. Att unlocked s4 with T-Mobile sim card
Sent from my SGH-M919 using XDA Premium 4 mobile app

My settings with my phone.
Sent from my SGH-M919 using XDA Premium 4 mobile app

Flash T-Mo Firmware on AT&T i337

Hello, I've installed tons of custom roms on quite a few different devices before, but this is the first one I've owned with a bootloader that can't be unlocked and I'm still kind of confused as to how all of these workarounds function and what ROMs they're compatible with. I've unlocked the phone and am using it on T-Mobile. It's currently on the MLD KitKat leaked version.
This is possibly wrong, but my understanding is that you are currently unable to install custom ROMs like CM and Omni on this device. So would it be possible to at least flash the stock T-Mobile ROM instead of AT&T? Right now, I have no access to hotspot, which is included in my plan, and I'd also like to use WiFi calling if possible. Has this been done before and is it possible on my firmware?
Thanks in advance for any help; it's greatly appreciated.

halomademeapc said:
Hello, I've installed tons of custom roms on quite a few different devices before, but this is the first one I've owned with a bootloader that can't be unlocked and I'm still kind of confused as to how all of these workarounds function and what ROMs they're compatible with. I've unlocked the phone and am using it on T-Mobile. It's currently on the MLD KitKat leaked version.
This is possibly wrong, but my understanding is that you are currently unable to install custom ROMs like CM and Omni on this device. So would it be possible to at least flash the stock T-Mobile ROM instead of AT&T? Right now, I have no access to hotspot, which is included in my plan, and I'd also like to use WiFi calling if possible. Has this been done before and is it possible on my firmware?
Thanks in advance for any help; it's greatly appreciated.
Click to expand...
Click to collapse
You can not flash their stock firmware. You can, however, use Safestrap to flash a ROM from their section, which as long as it is based from the stock firmware will have those features.

I have flashed HYPERDRIVE ROM with T-Mobile compatibility pack and works fine ! Even WiFi calling works!
Sent from my SGH-M919 using XDA Premium 4 mobile app

Thanks, guys. I just got back from a trip and I'll be attempting this now.
Are there any AOSP-type ROMs that will work with this?

DeadlySin9 said:
You can not flash their stock firmware. You can, however, use Safestrap to flash a ROM from their section, which as long as it is based from the stock firmware will have those features.
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Click to collapse
Also, if you havent done so, you might want to enable AWS for further compatibility. You will need to use the stock AT&T TW ROM in order to do so.

DeadlySin9 said:
You can not flash their stock firmware. You can, however, use Safestrap to flash a ROM from their section, which as long as it is based from the stock firmware will have those features.
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Click to collapse
Do I need any sort of Loki kernel or can I just pick one and go with it? I'm looking at this rom right now. http://forum.xda-developers.com/showthread.php?t=2682842

halomademeapc said:
Do I need any sort of Loki kernel or can I just pick one and go with it? I'm looking at this rom right now. http://forum.xda-developers.com/showthread.php?t=2682842
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Click to collapse
Since you're using Safestrap, you can't flash a kernel anyways due to the locked bootloader. You should be able to go ahead and flash that.

[Q] Flash AT&T galaxy s4 with an European stock Rom

Hi guys,
I would like to flash my AT&T galaxy s4 with an European stock Rom (preferably french). Until now, I didn't succeeded.
My phone is rooted.
I have attached a screenshot of my phone details.
Thank you in advance for your help.

Looks like you still have the MDL firmware which is a good thing. Do NOT update your phones firmware or you won't be able to flash certain things. Just get root with MotoChopper and Loki in its thread. Then you can flash a ROM that will have the French language installed or can be installed.
OK now to hopefully answer your question I would suggest something like ShoStock-i 7.0 as it is based off International firmware KitKat 4.4.2 which will bring you to one of the newest firmwares and not lock down your bootloader further. It may have the French language installed. I will check to see.
Otherwise you would need to find some dev that could port a French based firmware to the i337 for you. But whatever you do, DO NOT flash any STOCK Firmwares to get the updated KitKat firmware. You would be sorry you did.
Sent fron I337 Red BadAss Themed ShoStock 7.0

Looks like some French languages are already installed, French Canadian/French France/ and a couple others
Sent fron I337 Red BadAss Themed ShoStock 7.0

Thanks RockRatt for your answer and advises. I ll have a look on this rom. My phone is already rooted and i have flashed tge loki too.
So this means that it isn't possible to install a clean stock rom in order to transform my at&t into an international model. I tought it could be possible since they apparently share the same hardware.
Sent from my SAMSUNG-SGH-I337 using XDA Free mobile app

shan said:
Thanks RockRatt for your answer and advises. I ll have a look on this rom. My phone is already rooted and i have flashed tge loki too.
So this means that it isn't possible to install a clean stock rom in order to transform my at&t into an international model. I tought it could be possible since they apparently share the same hardware.
Sent from my SAMSUNG-SGH-I337 using XDA Free mobile app
Click to expand...
Click to collapse
Unfortunately no, the bootloader is locked (even with the Loki bypass). Where the i9505 bootloader was not locked.
If you were to flash a stock French firmware (it would most likely fail to flash at all) it could brick your phone.
Since we have locked bootloaders it does limit some things, but not much since you have the Loki bypass and can use real recoveries to flash almost anything. Good luck
Sent fron I337 Red BadAss Themed ShoStock 7.0

4.4.4 GPE battery drain and hiding app issue
Hi RockRatt,
I ve finally flashed it with the 4.4.4 GPE on my phone every is working perfectly except 2 things:
Battery drain : 50% in 2 hours
Impossible to make work properly pictures, sms & calls hiding app (Hide Pictures - Hide it Pro). I ve read that since 4.4+ it's a known issue.
I was wondering if you have any idea to solve those issues.
I have already create a post for those issues but i tought you may be helpful on those matters.
Thanks for your advises

Sorry I have never tried the GPE Roms. I have just stuck with Touchwiz based Roms since it works great for me, works with my Gear 1 perfectly
Sent fron I337 Red BadAss Themed ShoStock 7.0

RockRatt said:
Sorry I have never tried the GPE Roms. I have just stuck with Touchwiz based Roms since it works great for me, works with my Gear 1 perfectly
Sent fron I337 Red BadAss Themed ShoStock 7.0
Click to expand...
Click to collapse
Don't worry thanks for your quick reply . I ll probably install a dual boot in order to have a touchwiz on the phone in case i want to take some pics considering the quality of the GPE rom

newbie with rogers SM-N900W8

i have a SM-N900W8 on 5.0 from rogers and want to try some roms, currently its rooted and has twrp installed, i haven't flashed any roms yet.
how do i know what roms are compatible with my device?
i read the first couple pages of the SM-N900W8 thead, it seems to be posted quite some time ago, do i still need to flash kernel and wifi fix? where would i find the correct kernel?

akafred said:
i have a SM-N900W8 on 5.0 from rogers and want to try some roms, currently its rooted and has twrp installed, i haven't flashed any roms yet.
how do i know what roms are compatible with my device?
i read the first couple pages of the SM-N900W8 thead, it seems to be posted quite some time ago, do i still need to flash kernel and wifi fix? where would i find the correct kernel?
Click to expand...
Click to collapse
You canbasically flash anything in the note 3 thread as long as its 9005 or 900t (tmobile version) compatiable. ( if it aint here dont flash, n900w8 here using pronesis, best yet as its 5.1.1 from note 5) MAKE A BACK UP FIRST

so i just flash the pronesis rom and nothing else? already had that rom downloaded was a bit confused if i had to also flash kernel ect. any other devices i have owned had there own specific section on xda this not 3 seems to have all variants mashed into one section.

akafred said:
so i just flash the pronesis rom and nothing else? already had that rom downloaded was a bit confused if i had to also flash kernel ect. any other devices i have owned had there own specific section on xda this not 3 seems to have all variants mashed into one section.
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Click to collapse
Yes sir just flash the rom, mods if you want are in like post 2 or 3 in the thread and use xposed by wanam for 5.1.1 if u want xposed
If you install and use rom, beware of the kernel if you are so inclined to switch and there are only like 2 or 3 available for note 5 port for note 3. DO NOT FLASH ANY KERNEL UNLESS IT SPECIFICALLY SAYS FOR THIS OR ONE OF THE OTHER NOTE 5 PORTS!! MAKE A BACKUP FIRST. Sorry for the caps but u have been warned just in case you make a mistake.

Can I use another stock ROM?

I am having some issues with my device and I am trying to work it out. I would like to know if I can install another S5 Stock ROM on my SMG900T. If so which one would be best and would I do it via Odin?
Please be kind, I understand this question may sound stupid. I have been trying on different XDA threads to figure out what the issue is but I was told what is happening can not happen. So I am trouble shooting the Stock ROM.

I don't think so.... you may get bricked your s5.....
Sent from my SM-G900H using Tapatalk

Ok thanks. I do have to say the S5 is the worst phone I ever had it replaces the Nokia C3 by far. Never should have 'upgraded'.

You can use the FOL1 firmware this is Android 5.1.1 or the GPI1 marshmallow. Both of them worked fine on my G900T. You can look for them on sammobile and flash it via Odin.

TNewton said:
I would like to know if I can install another S5 Stock ROM on my SMG900T. If so which one would be best and would I do it via Odin?
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Click to collapse
You can flash any of these stock ROMs https://www.sammobile.com/firmwares/database/SM-G900T/ just choose your android version!
Good luck
Franck

you can actually flash pretty much any ROM you want as long as you dont Odin a tar.md5 for a different phone. I have a G900P and am using a G900H ROM on it. Just need to stick with a snapdragon based ROM if yours is a snapdragon phone