Iphone11 won't stay turned off!
Charged iPhone up all night, only went to 89%, it was drained without me using it within a few hours there were a few Safari and chrome windows open only. I turn the iPhone off to charge it faster, when I notice it turns off for maybe a minute and then reboot itself. Tried on multiple occasions turning it off, watched it turn completely off and then within a minute completely it's back on. I then did a force reboot and then turned it off, same thing 60 seconds later it powers on. There are/has been no damage to phone.
iPhone 11, iOS 15