Update Galaxy S2 I9100 to Android 4.4.2 KitKat with SlimKat SlimSaber ROM [GUIDE]

Galaxy S2 I9100 users can now enjoy the latest Android 4.4.2 KitKat features in a lightweight package, thanks to the release of SlimKat SlimSaber v4.8 ROM by XDA Senior member, fusionjack. As the developer notes, the SlimSaber ROM borrows latest KitKat features from top custom ROMs such as Slimbean, AOKP and CyanogenMod.