Apple has finally issued a fix for the now infamous 1970 date bug in the latest iOS 9.3 beta which is available to both developers and the public. The bug broke iPhones by setting the date to 1970.
1970 bug RSS
After it was discovered that setting your 64-bit iPhone or iPad to January 1, 1970 bricks it, Apple has now confirmed this happens with any date before May 1970 and that a fix is on the way.