>> How to Uninstall and Downgrade iOS 10 to iOS 9 Firmware without Losing Data with iTunes.
>> Guide and Tutorial to Downgrade Latest iOS 10 Firmware to Older iOS 9 Firmware Version for FREE..
>> Uninstall iOS 10 Firmware using iTunes on iPhone, iPad and iPod touch devices.
>> WWDC 2016
LINK: http://www.dailymotion.com/video/x4h94m5
Full Tutorial and Guide available here: http://www.techglobex.net/2016/06/downgrade-ios-10-to-older-firmware.html