My account has been disabled for AppStore and iTunes

It seems the apps are not updated and also the iPhone see the article https://support.apple.com/en-in/HT204204

Sign out the iPhone https://support.apple.com/en-in/HT208242

And then again sign in with same Apple ID and password https://support.apple.com/en-us/HT204053

Contact iTunes Support, they are the only ones who can access your information.

https://www.apple.com/emea/support/itunes/contact.html