My iPhone XR reboots quite often. Sometimes it reboots right during a telephone conversation. And after rebooting, it shows that the battery is 1%. is written in analytics. Please tell me this problem is solved by updating, or do you need to change the iPhone under warranty?
Take your device to an Apple Retail Store or Apple Authorized Service Provider, or contact Apple Support:
Yes, and make an appointment first-->Genius Bar Reservation and Apple Support Options - Apple
Even more likely it’s a hardware problem.
I noticed another feature. The phone restarts from exposure to cold. even if the cold is very small +5 or 10 degrees Celsius. It can reboot three times in a row.
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