iPhone 12 Pro Max keeps glitching after iOS 15 update
My phone keep on glitching when I’m typing. It happened after I updated my phone to ios 15
[Re-Titled by Moderator]
iPhone 12 Pro Max, iOS 15
First try a Forced restart
https://support.apple.com/guide/iphone/force-restart-iphone-iph8903c3ee6/ios
If no better
Backup and restore (using the computer method preferably)
(1)How to back up your iPhone, iPad, and iPod touch – Apple Support
Unlock your SIM PIN if it has one
(2) Restore your iPhone, iPad, or iPod to factory settings – Apple Support
(3) Restore your iPhone, iPad, or iPod touch from a backup
After that If the problem remains then arrange a repair
https://support.apple.com/en-gb/iphone/repair/service