This Tutorial is about flashing firmware on your Samsung Galaxy S2 GT i9100. I posted a step by and easy tutorials , please read complete guide once and then apply , if you skip any step then it can cause of bricked phone.Disclaimer: Follow this Guide on your risk and if your device gets damaged or bricked during the process, AndroidFlip.com is not responsible. Please read all warnings and notes and follow steps carefully(I) Know about everythingThere are some things that you may know before flashing firmware on your phone , little bit huge so we separated it here – FAQ about firmware flashing on Samsung androids(II) Preparing Your phone1. Go to settings>>applications>>development and enable usb debugging2. Follow...