Check if the firmware you want to use is the right one for your SAMSUNG I777 Galaxy S II. The table below contain all the useful information you might need for your software. The firmware posted here was designed for GT-I9108 for I9108ZMBMB3 PDA version and I9108CHMBMB3 CSC code. This is a dedicated I9108ZMBMB3 bootloader type and 623896464 CRC software. Android Jelly Bean 4.1.2 comes with Android Security Patch Level. Please also make sure if the 0 changelist and 27/02/2013 build date are correct for SAMSUNG I777 Galaxy S II.
If the specification posted for the software is correct and you want to use the CHN OPEN software from China, simply tap on the download button. Size of all flash files posted is 588.77 MB.