Samsung Galaxy S2 I9100 is currently running on official Android 4.1.2 Jelly Bean. Now there is an opportunity for Galaxy S2 users who have rooted their device and lost the warranty, can reclaim the warranty back by unrooting the device. Below is our step-by-step guide to unroot the Samsung Galaxy S2 to stock official firmware.

IBTimes UK reminds its readers that it will not be held responsible for any mishap. Users are also advised to ensure that their devices meet following requirements. Pre-requisites 1) Install for Samsung Galaxy S2 to connect the Android device with the computer. 2) Enable USB Debugging Mode on phone to connect the Android device with computer and use the Android SDK with it. [Press Menu>>Settings>>Applications. From there navigate and click on Development option and check USB Debugging Mode.] 3) As the tutorial is likely to wipe out all data of the phone, create a backup. If the device is having any custom recoveries such as CWM/TWRP already installed then backup data using the recovery.

Windows 7 Webdav Offline Files Vista here. I did try to get the nv_data.bin file with a hexedit and search for the 181468 (if i'm not wrong) line for the FF 01 00 00 00 stuff and change the 01 to 00, ofc nothing found. So i did upgrade again to 4.1.2 I9100XWLSE_I9100OXELS6_I9100XXLS8_HOME.tar.md5 with oding on the pda tab and now shows. Corrupted efs folder i9100. I have deleted the.bak file and both md5 files. Copy the file from the backup (efs-backup.tar.gz) 2.

4) The Galaxy S2 should have above 80% battery charge. 5) The device should be factory unlocked and not locked to a particular carrier. 6) The Galaxy S2 should be rooted. Click here for step-by-step. 7) The stock official firmware used for unrooting works only on Samsung Galaxy S2 GT-I9100. As flashing this on any other variant might brick the device, verify the model number of the Galaxy device by navigating to Settings>>About phone>>Model number. Steps to unroot Samsung Galaxy S2 GT-I9100 to stock official firmware Step-1: Download for Samsung Galaxy S2 to the computer.