In this video, we're discussing some very important things related to the downgrades/upgrades to iOS 11.1.2 using SHSH2 Blobs. Since iOS 11.3 has been released, iOS 11.2.6's days are counted. Unfortunately, iOS 11.3's SEP and Baseband are not compatible with iOS 11.1.2's and therefore, you can't use it to upgrade from a lower iOS 10…
