Samsung Galaxy S2 I777 AT&T Update

Flash Android 4.1.2 Jelly Bean UCMD8 Update for the AT&T Samsung Galaxy S2 I777

Update AT&T Galaxy S2 I777 with SlimBean (build 6) Jelly Bean 4.2.2 Custom ROM

Install Sammy Bean JB ROM AT&T for Samsung Galaxy S2 I777 (Android 4.1.2 Custom ROM)

Install CM9 RC1 ROM on AT&T Samsung Galaxy S2 I777