Hey guys, I am a MetroPCS customer. I have a rooted GS3. How do I upgrade to 4.2.2?
Golf, I'm not so great at this.
I have stock firmware, rooted, and TWRP, and I'm pretty sure with CWM still in there.
What do I need to add/remove?
I am on 4.1.2.
Would I need a 4.2.2 ROM, or is there a way I can do the OTA?