How to Install I9100XWLS8 Official Android 4.1.2 Jelly Bean Upgrade on Samsung Galaxy S2 GT-I9100

The long-awaited official Android 4.1.2 Jelly Bean update on Samsung Galaxy S2 GT-I9100 is currently hitting in Spain, other countries might also follow soon. But for those advance users who couldn’t wait much longer and wants to upgrade their devices right now can manually install the original I9100XWLS8 stock ROM.

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