The main reason I'm making this is because I spent about 4 hours looking for a way to debrand my G925T that didn't involve all the customization of a custom rom. I use my phone for AT&T so a lot of the tmobile stuff is useless to me. Also something that really annoyed me was that this subject has been mentioned on the forums but was always met with people saying it wasn't possible or that it would be better not to, or just in general very unhelpful responses. Anyways, on to the tutorial.
WARNING: This tutorial is for 6.0.1, if you use the files here, your device will be upgraded. If you do not want 6.0.1 then you need to find different bootloaders and firmwares.
First thing you'll need is a bootloader and modem file for YOUR device. Heres the ones for G925T 6.0.1: EPD1 bootloader and modem. Flash them with odin.
Next, you'll need a kernel and recovery. If you want to use stock then keep reading. If you want to use a custom one then I recommend flashing them now. Saves time later.
Next thing you'll need is the BTU firmware that you want to use. To find one, just go to sammobile and look up the G925F and look for a firmware for just a country, no carrier.
Here is the one I used, its the UK BTU firmware for 6.0.1: DPBG. (Don't worry about the pit file)
After its downloaded, extract the AP file somewhere, then open it with winrar or a similar program. extract the parts you need:
kernel: boot.img
recovery: recovery.img
rom: system.img
for a factory reset you can include the userdata.img as well if you want.
(Note: if your flashing all of these, ignore the rest and just flash the AP file).
Once you have all of that, download these scripts: http://ift.tt/1qlN3zR
Now take the files you extracted and put them in the same folder as the scripts, then run the ImgToTar.MD5 batch file. It should do the rest of the work for you, just wait for it to finish making your tar.md5. When its done, just flash it with odin and you should be good to go with a completely debranded rom :)
WARNING: This tutorial is for 6.0.1, if you use the files here, your device will be upgraded. If you do not want 6.0.1 then you need to find different bootloaders and firmwares.
First thing you'll need is a bootloader and modem file for YOUR device. Heres the ones for G925T 6.0.1: EPD1 bootloader and modem. Flash them with odin.
Next, you'll need a kernel and recovery. If you want to use stock then keep reading. If you want to use a custom one then I recommend flashing them now. Saves time later.
Next thing you'll need is the BTU firmware that you want to use. To find one, just go to sammobile and look up the G925F and look for a firmware for just a country, no carrier.
Here is the one I used, its the UK BTU firmware for 6.0.1: DPBG. (Don't worry about the pit file)
After its downloaded, extract the AP file somewhere, then open it with winrar or a similar program. extract the parts you need:
kernel: boot.img
recovery: recovery.img
rom: system.img
for a factory reset you can include the userdata.img as well if you want.
(Note: if your flashing all of these, ignore the rest and just flash the AP file).
Once you have all of that, download these scripts: http://ift.tt/1qlN3zR
Now take the files you extracted and put them in the same folder as the scripts, then run the ImgToTar.MD5 batch file. It should do the rest of the work for you, just wait for it to finish making your tar.md5. When its done, just flash it with odin and you should be good to go with a completely debranded rom :)
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