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If your device with iOS 11 unexpectedly restarts repeatedly on or after December 2, 2017, learn what to do.

Update to iOS 11

iOS 11 makes your iPhone, iPad, and iPod touch more powerful, personal, and intelligent than ever before.

Warranty and repair

See if your Apple product is eligible for service and support under our limited warranty. Already have a repair in progress? Let’s check the status.

Beware of counterfeit parts

Some counterfeit and third party power adapters and batteries may not be designed properly and could result in safety issues. To ensure you receive a genuine Apple battery during a battery replacement, we recommend visiting an Apple Authorized Service Provider. If you need a replacement adapter to charge your Apple device, we recommend getting an Apple power adapter.

Also non-genuine replacement displays may have compromised visual quality and may fail to work correctly. Apple-certified screen repairs are performed by trusted experts who use genuine Apple parts.