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 I9100XWMS1 PDA version and I9100NEELS1 CSC code. This is a dedicated I9100XWMS1 bootloader type and 1848852103 CRC software. Android Jelly Bean 4.1.2 comes with Android Security Patch Level. Please also make sure if the 1418025 changelist and 25/09/2013 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 NEE OPEN software from Nordic, simply tap on the download button. Size of all flash files posted is 572.02 MB.