iPhone

Apple has a very specific solution in your situation. Resetting your password will not clear the issue.

When you see a message that says "Your account has been disabled in the App Store and iTunes", or "You cannot login because your account has been locked" (it points to the same document), click here and read what to do ➞ https://support.apple.com/HT208856

you probably entered incorrect password several times.

try to reset password via https://iforgot.apple.com/