[GUIDE] Unroot / Unbrick, Flash official stock firmware on Galaxy S4 GT-I9500 & I9505

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http://forum.xda-developers.com – :cowboy:Here is a full guide on how to unroot and back to official stock firmware for Galaxy S4 GT-I9500 & GT-I9505. It is useful also if you soft brick your phone !!!DONT TRY FIRMWARES IN SECOND AND THIRD POSTS ON OTHER VARIANTS!!! Do it on your own responsibility! if you follow this guide properly u will be on the safe side ;) Before we proceed, make sure: 1-You have installed your Samsung Galaxy S4 GT-I9500/5 USB drivers on your PC (the easiest way is to install Kies). 2-You need to enable USB debugging mode (Settings>Developer options) which is deactivated by de (HowTos)