Check if the firmware you want to use is the right one for your SAMSUNG I9100 Galaxy S II. The table below contain all the useful information you might need for your software. The firmware posted here was designed for GALAXY S ? for I9100TDCLSD PDA version and I9100TTHLLSD CSC code. This is a dedicated I9100TDCLSD bootloader type and 3814093598 CRC software. Android Jelly Bean 4.1.2 comes with Android Security Patch Level. Please also make sure if the 1155671 changelist and 25/04/2013 build date are correct for SAMSUNG I9100 Galaxy S II.
If the specification posted for the software is correct and you want to use the THL OPEN software from Thailand, simply tap on the download button. Size of all flash files posted is 543.97 MB.
This firmware also works for: