Root or unroot Samsung Galaxy S2 I9100 stock ICS 4 firmware. Is that you need? Now we can easily do it. You need not flash any insecure kernels, just flashing two files on your recovery mode, you can get the root access. This guide only applies for Samsung Galaxy S II I9100 devices which running stock ICS ROM. If you are running any-other version or ROM doesn’t apply this method.
Warning.
Rooting will void your device’s warrenty. This process completely affects your device, so if there is anything goes wrong, your device can be bricked. Therefore carefully follows these steps. If your device damaged, I can’t get its risk.
Pre-requirements.
- Backup your phone ( guide in here)
- Fully charge your phone
Downloads.
Uses.
- Use “Home” button for selection.
- Use “Volume keys” for navigation.
Table of Contents
Samsung Galaxy S II I9100 stock ICS rooting procedure.
- Download require file using above link or from here.
- Extract downloaded root file, after that you will receive two zip files “CWM.zip” and “SU-Busybox-Installer.zip”
- Copy that extracted 2 files to your phone SD card
- Shut down your Galaxy S2
- Enable recovery mode by press and hold “Home”, “Volume Up” and “Power” buttons together.
- Select “apply update from external storage”.
- Select “CWM.zip” file on your SD card
- Wait a few seconds for the CWM recovery start (temporary).
- Now go to the “install zip from sdcard> Choose zip from the SD card”
- Select ” SU-Busybox-Installer.zip” file on your SD card and install it.
- Now restart your phone
Now you just rooted your phone.
Samsung Galaxy S II I9100 stock ICS unrooting procedure.
After you rooted, if you need to unroot your device follow theses instructions.
- Download unroot file using the above link or from here.
- Extract downloaded file, it contains two files “CWM.zip” and “SU-Uninstaller-signed.zip”. Copy them to your phone’s SD card.
- Shut down your Galaxy S2
- Enable recovery mode by press and hold “Home”, “Volume Up” and “Power” buttons together few seconds.
- On the recovery main menu select “apply update from external storage”
- Select “CWM.zip” file that you copy to your SD card and wait for a few seconds to start CWM.
- After CWM appear select “install zip from sdcard”
- Now select “SU-Uninstaller-Signed.zip” file that’s on your phone’s SD card.
- After the installation finished reboot the phone.
[via XDA forum]
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