apple logo on and off
my phone is stuck in an update loop
iPhone 11 Pro, 14
Question marked as
Try things in these links:
If your [iOS 13 or higher] iPhone is stuck on the Apple logo - https://support.apple.com/HT210616
If your iOS or iPadOS device restarts or displays the Apple logo or a spinning gear unexpectedly, click here --> https://support.apple.com/HT203899
If your iPhone, iPad, or iPod touch won't turn on or is frozen - https://support.apple.com/HT201412
If they do not work then follow the advice at the end of the documents about contacting Apple.