Easiest way without a computer is with an app called catlog. Easiest way WITH a computer is in a cmd or console window: adb logcat > mylogfile.txt then just hit ctrl + c when you want to stop adding logs to the file.
Sent from my SGH-M919 usi...
Flash the international GE kt kernel by following this method
reboot to recovery
If you experience ANY issues, full wipe but if you are running smoothly right now you should be fine
what radio r u using
Uvmc6 tmobile 4.2.3 or whatever that newest tmobile one is.