Note i717 help please

[Hamilton Multi]

I NEED HELP WITH MY I717 NOTE IS AT&T I WANT TO UPDATE TO 4.1.2 jelly bean I WANT TO PUT THAT WORK IN T-MOBILE
CAN NOT FIND THE FILE 4.1.2

 

[Hamilton Multi]

I NEED HELP WITH MY I717 NOTE IS AT&T I WANT TO UPDATE TO 4.1.2 jelly bean I WANT TO PUT THAT WORK IN T-MOBILE
CAN NOT FIND THE FILE 4.1.2 ANYONE HAVE THE FILE THAT CAN PASS ME