A couple of security experts demonstrated that iOS date bug was still present in iOS devices and it was exploitable by spoofing an Apple NTP server.

Apple-iPhone-6-Spoofing-NTP-Server

Do you remember the Apple iOS date bug?

In February, the security community highlighted the existence of the embarrassing problem for Apple iOS mobile devices running 64-bit iOS 8 or higher, the issue affects the Apple iOS date and time system and could be triggered by setting the date to January 1, 1970. The news appeared in Reddit discussions warning users about a flaw that could brick iPhone forever.

“Setting the date of your iPhone to January 1st, 1970 will brick your device, according to users across the web and confirmed by iClarified. The bug will affect any 64-bit iOS device that is powered by the A7, A8, A8X, A9, and A9X. 32-bit iOS devices are reportedly not affected by this issue.” reported iClarified.

Read more at
http://securityaffairs.co/wordpress/46305/hacking/ios-date-bug.html