A bug in Apple’s iOS code could allow hackers extreme access to your phone or iPad, meaning they could access the most central areas and potentially run malicious code, delete files and steal information from your device.
Updating to the latest version of iOS, 10.2.1, should fix the problem. Apple recommend backing up your device first, which you can do through the iCloud settings.
Apple has also pushed out updates to iTunes, Safari, macOS Sierra and the operating systems that power the Apple Watch and Apple TV.
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