- Apr 12, 2001
Apple today released the first beta of iOS 6.1 to developers. The beta has a build number of 10B5095f, versus 10A523 (10A525 for the iPhone 5) for the just-released iOS 6.0.1.
Registered developers can download the beta via Apple's Developer page.
Article Link: Apple Seeds First iOS 6.1 Beta to Developers