[Q] Is there a reason to upgrade the bootloader? - AT&T, Rogers, Bell, Telus Samsung Galaxy S III

I'm using the firmware (bootloader and modem) from the 4.3 Samsung update. I'm running CM11 M9 stable. Is there any reason I should upgrade the bootloader and modem to the 4.4 official Samsung release (http://forum.xda-developers.com/galaxy-s3-att/general/ucuemjb-to-ucufne4-firmware-update-t2808654 )? Why or why not?

Some custom ROMs require a KK bootloader. I believe unified msm8960 builds require a KK bootloader unless you specifically flash a ROM designed for JB bootloaders.

Related

the difference between m16 and mj5

Hello
I want to know what is the difference between m16 and mj5
And which of them is better
And does any note 2 device can run all of them or every one of them requires spacific recuirements
MI6 build was first leaked 4.3 ROM
MJ5 was second and subsequent leaked build. Consensus is official version will be fully functoinal MJ5.
MJ5 requires the new bootloader to be flashed otherwise your wifi will not work. If you flash new bootloader you cannot downgrade to 4.1 ROMs, you will have to stay on 4.3. Also Knox is integrated into MJ5 while MI6 not so much.
My personal choice is to stick with MI6 until official ROM drops and our devs tear it apart and make it work 'xda' style
Both work on International 7100
tweeny80 said:
MI6 build was first leaked 4.3 ROM
MJ5 was second and subsequent leaked build. Consensus is official version will be fully functoinal MJ5.
MJ5 requires the new bootloader to be flashed otherwise your wifi will not work. If you flash new bootloader you cannot downgrade to 4.1 ROMs, you will have to stay on 4.3. Also Knox is integrated into MJ5 while MI6 not so much.
My personal choice is to stick with MI6 until official ROM drops and our devs tear it apart and make it work 'xda' style
Both work on International 7100
Click to expand...
Click to collapse
Thank you very much
Now I'm on DN3 rom
So I will wait for official 4.3 but I will not install it because I want to wait for making it as note 3

[Q] Flashing ROMs

i have At&t Sgs3 phone and im on 4.3 MJ2 Leaked FW.. is it possible to flash my phone to cyanogenmod or aokp 4.4 kitkat roms?
You need for install a custom recovery to flash custom ROMs.

[Q] If i have a aosp rom with 4.4.4 can i downgrade to a asop rom with 4.3 or lower?

And why does this not work with the stock android roms?
You can downgrade as long as the 4.3 ROM supports your bootloader and modem.

Bootloader and CM questions..

Colleagues,
I have an SGH-i317 AT&T Galaxy Note II. It is rooted, has TWRP 2.8.1.0 and SuperSU 2.46 and TitaniumBackup all of which work just fine. I used Odin 3.10. I'm about to flash custom ROMSs CM10.2 and CM11. I have a couple things I don't quite understand before I flash. Hopefully someone can help. In the past, AT&T forced OTA upgrades so I'm at runnign rooted 4.4.2. (Specifics on my firmware are below.)
1. I know Android has broken a third party app's ability to save files to the external SIM. Is this problem inherent ONLY to vendor 4.4.2 builds like AT&T's, or does CM and other custom ROMS that are based upon 4.3 and 4.4 suffer from the same dumb limitation?
2. I've read online that the boot loader software became vendor-signed-package aware and is now a "locked" bootloader. AT&T forced my perfectly good 4.1.2 to go to 4.3 and consequently to 4.4.2. Is it not possible to actually replace that bootloader? If not, why not? Is that not possible at this time?
3. I noticed that for my SGHi317 that there is no such thing a an t0lteatt anymore for CM11 since they have merged their development branches. So will the latest t0lte work for SGH-i317? Do I need to do anything special other that flash it and the correct gapps to the phone?
Thanks for the help!
Model SGH-i317
Android 4.4.2
Baseband I317UCUCNJ1
Kernal Version 3.0.31-1728680
Buil number KOT49H.I317UCUCNJ1

At&t stock rom on an unlocked tmobile GS4?

Is it possible to flash an at&t stock rom on an unlocked, rooted, tmobile gs4 (sgh m919, android 4.2.2)? I really wanna use the touch wiz 5.0.1 but I can't find any ported roms (tmobile being a ***** and not releasing 5.0.1 update like the other carries did)...
If you mean firmware by "stock rom" I would not recommend it. You can probably flash a custom rom based on At&t's 5.0.1 update, it's a safer method. If you have issues with data or calls you may need to update your modem to the latest T-Mobile version
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