Change apple id
I entered my id correctly, but it says that I need to do it again, and someone try to access my account elsewhere, but I can't change my password at all.
iPhone 6s Plus, iOS 15
A "Verification Failed" message is used in various scenarios which could be either a communication issue, or a problem with your account.
'If you can't connect or sign in to iCloud' click here --> If you can't connect or sign in to iCloud - Apple Support
Are you using a VPN?