Neither my phone nor iPad will allow me to use itunes
How to reinstate iTunes availability
iPhone XR, iOS 15
Question marked as
Best reply
If 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
It would be easier to help you if we knew specifics about the problem.