How can i update my rooted s3 t999 to 4.2.2/4.3?

[kenny243]

I try to search on youtube, can't fine any answers.

My s3 is rootes, tmboile, t999, running on 4.1.1

Anyway i can update it to 4.2.2 or 4.3?

 

[VDub2174]

If you're rooted, you can always flash a new ROM.

T-Mobile Galaxy S III Android Development - xda-developers