Can't log into my apple account
I m logged into my account on the browser , but cannot log in on the app store
What happens when you try? Error message(s)? Apple ID disabled or locked?
Apple ID is locked or disabled
If you have changed your password, have you followed the steps in this article?
What to do after you change your Apple ID or password - Apple Support I suggest doing this before you change your Apple ID or password.
If necessary, contact iTunes Support. Either use the form or scroll to the bottom of the page in the 2nd link. Follow through the screens to get a chat or telephone option.