The latest version of the Android Jelly bean 4.1.2 has started rolling out to Samsung Galaxy S2 – I9100G variant. The Galaxy S2 I9100G variant was released in some European and Asian countries.
The Android Jelly Bean 4.1.2 update brings a lot of new features, a Smart Stay, TouchWiz as seen in the Galaxy S3 & Note 2, Direct Call, Pop-up Play, new notification bar with more notification toggles, new widgets and lock screen.
The Android update is available via OTA and Samsung KIES Tool as well. You can check to see if the latest update is ready to download by checking your system settings.
Official Firmware Details :
-> Android Version: 4.1.2 – Build JZO54K
-> PDA: I9100GXXLSR
-> CSC: I9100GXEFLSR
-> MODEM: I9100GXXLSR