Need advice build ng3 to nd3 - Galaxy S 5 Q&A, Help & Troubleshooting

hey everyone, im currently on a ng3 build with a 4.4.2 android version the phone is a s5 att variant sm-g900a. I flashed with odin the ng3 kernel however the base didn't change i want to change to a nd3 base to install safestrap i have root access. Any help is appreciated
ps: i unlocked the phone and tried a tmobile sim but the 4g does not work just the regular line such as calls and messaging any ideas why?

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Stock Rom for att galaxy s4?

Hello everyone!
I have a Galaxy with Android 4.3 with Att im trying to unlock it and found a guide to do so but the process don't work because of the new update im looking for a stock rom on a lower andoid im doing this for a friend and I been on iPhone for a while now so I wouldnt know which rom will work with this device, I want to do this right and not brick this galaxy im not new to rooting or flashing roms.
I would appreciate any help!!
Sansung SGH I337
Android: 4.3
Build: UCUEMK2
Hope you guys can direct me in the right rom. thank you
http://forum.xda-developers.com/showthread.php?t=2595457
This will help you with SIM unlock, if that is what you are attempting.
If it is a bootloader unlock for installing custom ROMS, that is currently not possible with the latest MK2 firmware.

[Q] TMO using AT&T I337

What I have:
Model number: Samsung SGH-I337
Baseband Version: I337UCUFNC1
Build Number: KOT49H.I337UCUFNC1
Android Version: 4.4.2 at&t
Security software version: MDF v1.0 Release 2
Safestrap loaded and working, Rooted and busybox installed. SIM umlocked using tmo sim now. Safestrap backed up.
What I need help with:
Be able to flash a tmo rom that has working wifi calling either 4.4.2 or 4.4.4, Rooted stock type rom ok. Tried flashing a few roms but got boot loops or no wifi, had to restore at&t rom from safestrap backup. Need help to find out if flashing new baseband will keep tmo bands. What basebands can be used or modified for tmo bands. What Rom can I use with what baseband? No problem using odin also if needed. Tried searching for 2 +days. many answers alluded to but not clearly, thanks for looking.
http://forum.xda-developers.com/galaxy-s4-att/general/convert-i337-to-m919-wifi-caling-t2896719
thank you i will try and solve
bill g.
worked solved

[I337M] Upgrading from 4.4.2 to 5.0/Custom ROM

Hey guys,
Was wondering if some one could point me in the right direction, I would greatly appreciate it!
I have a modified Rogers Samsung Galaxy s4 with the following attributes and I want to upgrade to lollipop 5.0:
1)Ni2 BaseBand
2)Sim Unlocked
3)AWS Enabled (Currently on WIND network)
4)Running Stock 4.4.2 firmware, however has clockwork mod recovery.
5)Rooted with Odin r
I want to do a factory wipe as the phone is getting quite laggy an d then install a clean version of lollipop with one of those new roms on it (Goldeneye). My question are:
1)If I do a factory reset will I have to enable AWS again in order to work on WIND? Is it possible on that updated modem?
2)Can some one point me to the proper thread, I tried looking with no success of anything that aligns with my specific situation .
Thanks for your help
First first you néd to upgrade to stock lollipop via odin late root+recovery (twrp work fine) ●●●●

S4 ATnt Rooted

Ok People thanks for this thread now i need all the help i can get
I have samsung galaxy s4 At&t model no SGH-I337
Android 4.4.2
baseband I337UVUFNB1
KERNEL 3.4.0-1125940
[email protected]#1
BUILD NO KOT 49H.I337UCUFNB1
SECURE BOOT STATUS SAMSUNG
now i am using this phone in pakistan where i got it from a shop and i am using a pakistani sim i have rooted it and installed
Super User
TWRP
GooManager
Busy Box
Root Checker
Now what i want is to install a non atnt rom could be lollipop or marshmallow or even a higher version of kitkat
consider me as a noob and tell me everything from scratch looking forward to you peeps for your quick response and being patient with me
With a locked bootloader, you can only flash touchwiz ROMs with safestrap. CM and aosp ROMs will not install.

Sprint s4 sph l720 GOK3 5.0.1 root help

Hello everyone, I have the sprint sph l720 5.0.1 GOK3 lollipop OTA. Could someone please point me in the direction of how to get it rooted and how to flash custom roms. I've rooted and flashed before. But that was before bootloaders started being locked and what not. Is this build available to have the bootloader unlocked , and flash custom recovery and roms? I don't care about warranty so I just need some help doing this please. Thank you for your time and help in advance
Im also looking for a rom for my s4 sph-l720t 5.0.1 GOK3. Im running on ringplus and see plenty of roms for l720 but not for l720t. Thanks to all the devs.
rainprophet said:
Im also looking for a rom for my s4 sph-l720t 5.0.1 GOK3. Im running on ringplus and see plenty of roms for l720 but not for l720t. Thanks to all the devs.
Click to expand...
Click to collapse
Pull battery from phone, put it back in and go directly into download mode. Flash TWRP via Odin, (uncheck reboot and the set time option. Once flashed unplug from computer, pull battery, put battery back in and go directly to recovery and flash latest working SuperSU and reboot phone. You might also have to install the SuperSU app from play store as well

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