Because of warranty I needed to unroot my S3. After a lot of searching I found following articles which helped me to revert my phone to factory defaults.
- http://forum.xda-developers.com/showthread.php?t=1710613
- http://www.ibtimes.co.uk/articles/466933/20130512/galaxys3-i9300-unroot-official-firmware-reclaim-warranty.htm
- http://www.androidrooting.com/how-to-unroot-galaxy-s3-to-stock-official-firmware/
Used software
- TrianglAway – tool for reseting flash-counter inside the android firmware
- SamMobile – server with all Samsung S3 firmwares
- Samsung Updates – Official Samsung site with all firmwares
