Restart your iPhone - Apple Support

Learn how to turn your iPhone off, then back on.

How-to: Turn off, force restart, enter DFU on iPhone 12 - 9to5Mac

Solved] I Forgot My Apple ID Password and Can't Reset It

If Siri isn't working on your iPhone - Apple Support (IN)

Security settings verification required - Apple Community

If the Restore screen appears on your iPhone, iPad, or iPod touch - Apple Support

How to Reset Your Apple ID Password: 5 Simple Ways

Official Apple Support

How to reset your AirPods Max - Apple Support

How to restart your iPhone or iPad if it's frozen on the Apple logo

Expert advice from Apple Support - Apple Support

Change the language on your iPhone or iPad - Apple Support