iOS 9.2 beta 4 (construct 13C5075) is now to be had to participants of the Apple Developer Program as an over-the-air update or thru Apple’s portal for developers. The update could also be to be had to public beta testers who're signed at the Apple Beta Software Program.
NumberSync and AT&T Wi-Fi Calling
It used to be iOS 9.2 beta 2 that rolled out beef up for AT&T’s NumberSync generation weeks in the past. I community-degree generation, NumberSync used to be designed for sharing a telephone quantity with hooked up units, without reference to their underlying running gadget.