Samsung Galaxy S2 I9100 users in USA recently received Android 4.0.3 firmware update. We already guide you how to install I9100WBLP5 firmware update in your Galaxy S2 I9100 smartphone. Now, as you installed official stock firmware, it means you lost your root access. In this tutorial we guide you how to get back root access and install CWM touch Recovery with gesture support in Galaxy S2 I9100 running I9100WBLP5 firmware.
To obtain this we will flash SiyahKernel in your Galaxy S2 I9100 running I9100WBLP5 firmware using ODIN. Flashing of which not only root your device but also install CWM touch Recovery with gesture support. However, in this process you will lose all your existing installed apps and personal settings. You should follow this guide carefully to properly backup your data that you can restore later.
This guide below is compatible only and only with the Galaxy S2, model number I9100. It’s not compatible with any other Galaxy S2 variant. Check your device model in Settings» About phone.
Rooting Information: Once your device is rooted, warranty will get void; However, you can reclaim the warranty by applying official firmware update.
To check if you successfully rooted your device or not install an app called “Root Checker” that available for download from Google PLAY store for free.
We should not be held liable for any damage caused in the process of rooting and installing CWM recovery on Galaxy S2 GT-I9100 variant. Although, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.
Backup your data first using below mentioned instructions, so that if you lost any data you can recover it easily.
SMS & Call Log – Use SMS, MMS & Call Log Entries Backup & Restore App
Contacts & Settings – Use Android default backup options.
Images, Songs, Videos, Files – Copy to Internal/External SD card.
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names”
If you follow everything that we mentioned above, you are ready to move into next stage of this guide where we summed up detail instruction on how to root Galaxy S2 I9100 running I9100WBLP5 firmware and install CWM recovery.
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