Over a week after pushing out the iOS 10.2 update, Apple has stopped signing iOS version 10.1 and 10.1.1. This means that those who have already updated their device to iOS 10.2 will no longer be able to downgrade their OS. The iOS 10.2 update brought along a host of changes, including over 100 new emoji as well as new wallpapers and iMessage screen effects. In addition, a new TV app, as well as changes related to the Emergency SOS feature, Music app, and Camera app were also included. In case you missed, the Cupertino-based company has now released iOS 10.2.1 beta 2 as...
Source: http://www.gsmarena.com/with_ios_102_already_rolled_out_apple_stops_signing_ios_101_and_1011-news-22284.php