If your iPhone started crashing at midnight on Dec. 2, iOS 11.2 will fix it

Another widespread bug has hit Apple devices, this time affecting iPhones and iPads running iOS 11.1.2. In response, Apple has pushed out iOS 11.2 early.

from PCWorld https://www.macworld.com/article/3239785/ios/if-your-iphone-started-crashing-at-midnight-on-dec-2-ios-112-will-fix-it.html#tk.rss_all
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