If your iPhone, iPad, or iPod touch unexpectedly restarts or shuts down, or displays the Apple logo or a spinning gear, learn what to do.
Check your software
Check your hardware
On an iPhone 6 or later, check your battery health under Settings > Battery > Battery Health.
If your battery doesn't need service, and your iPhone continues to frequently restart or turn off, contact our support team.
If your iPad or iPod touch continues to frequently restart or turn off, contact our support team. If you have one of the issues below, learn what to do: