How to Root Galaxy S2 I9100 on Android 4.1.2 Jelly Bean Firmware

Samsung recently started rolling out its official Android 4.1.2 Jelly Bean firmware update for the Samsung Galaxy S2 bearing model number GT-I9100 in several countries. The new official firmware is now available for download through Samsung KIES as well as Over-The-Air (OTA) update.

Samsung Galaxy S2 I9100 users who have already updated their devices with Android 4.1.2 Jelly Bean, may root their devices using the tutorial below.

How to Root Galaxy S4 I9500 by Installing Adam Kernel

Adam Kernel's Features:

• Built from Samsung sources Update1
• Init.d support
• Busybox
• Built with Stock ARM Toolchain 4.6
• AutoRoot with SuperSU v1.25
• CIFS and EFS built as modules (Stored on “/system/lib/modules”)
• ExFAT sdcard support
• Stweak App support
• Disabled Wifi multicast for less battery drain
• Tweaked Ondemand CPU Governor for better performance/power balance
• Enabled available stock CPU governors (conservative, powersave,interactive)