In today's video I am showing you how to use prometheus (FutureRestore) to downgrade from iOS 10.2.1 or iOS 10.3 back to iOS 10.2 or iOS 10.1.1 if you have saved your blobs. This tutorial requires you to have the SHSH2 files already saved from the timeframe when iOS 10.2 / 10.1.1 used to be…