Manufacturer defect. You need a whole new phone. Warranty should replace it no problem. Make sure to back it up before replacing. And then restore your new iPhone with the back up. It’ll make it a 1:1 copy.
Manufacturer defect. You need a whole new phone. Warranty should replace it no problem. Make sure to back it up before replacing. And then restore your new iPhone with the back up. It’ll make it a 1:1 copy.