CF-Root custom kernel by Chainfire for Samsung Galaxy S II is perhaps the easiest way for new users to gain root access along with keeping original settings / near to stock firmware. The kernel is specifically meant for users who’d like to maintain the same stock firmware but with ability to perform hacks and mods requiring root. The kernel when flashed through Odin, gives you root along with installing SU, BusyBox , ClockworkMod Recovery 3. Although this kernel roots your handset along with installing CWM Recovery, your phone will still be incompatible with ROM Manager. In order to address this issue, Chainfire has developed CWM Manager located under Application in phone Settings.
The CWM Manager acts as ROM Manager for SGS II and has following features:
- Boot To ClockWorkMod Recovery
- ROM Backup / Restore
- APK Installer
- Update.zip Flashing
- Custom Kernel Flashing Option
Here is the step by step guide to install CF Root Custom Kernel On Samsung Galaxy S II:
Disclaimer: Please follow this guide at your own risk. AddictiveTips will not be liable if your device gets damaged or bricked during the process.
Before embarking on this guide, you must have ODIN installed in order the kernel.
- The first step is to download CF ROOT Kernel file from here, unzip and save the contents on your desktop.
- Now disconnect your phone from the computer.
- Once done, launch ODIN, click on PDA button and select CF-Root-xxx-vX.X.tar file.
- After this, put your Samsung Galaxy S II in download mode.
- Once your are done with putting your phone in download mode, connect your phone to the computer via USB.
- Here you need to make sure that repartition option in unchecked.
- Now in ODIN, click on the Start button and wait for the kernel flashi ng process to complete.
- Once the process is over, your phone will automatically reboot.
And there you go! You now have CF-Root Kernel flashed on your phone that has given you root along with keeping everything stock. You can now download apps that require root or flash custom ROMs and kernels according to your desires. In case you are stuck or need more information regarding this custom kernel, then head to the official XDA thread here.