iPhone 11 turns off when fully charged
My iPhone 11 was fully charged, and it turned off by itself. I tried to turn it on, but it didn't, then it turned on for a minute, and turned off again. It's not turning on. Is it a battery problem? I bought it brand new in Sept/2021.
[Re-Titled by Moderator]
Original Title: my iphone 11 is fulled charged, but it turned off and it