How to reset the account on thi iphone

What you need to do depends upon what you mean by "reset".

For a forgotten password read this document

--> If you forgot your Apple ID password - Apple Support

To change a known password read this document

--> Update your Apple ID password - Apple Support

YouTube video "How to reset your Apple ID password" --> https://youtu.be/LIOapHreNe4

App Store and iTunes

If you see a message that says "Your account has been disabled in the App Store and iTunes," there might be a problem with the payment method that you have on file.

When you see the message, don't try to edit any of your account information. Instead, contact Apple Support for help.

If you see a message that says 'Your account has been disabled in the App Store and iTunes'