There is a problem in signing in In AppStore

What is the problem? Account disabled? If not that, what is happening when you try to sign in?

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

Contact iTunes Support for assistance. See the Apple Support articles below for contact information.   

iTunes Support – world wide 

Apple Support schedule phone call      

If necessary, try Twitter

https://twitter.com/AppleSupport.          People have posted it may take an hour or more to get a response.

unar63 Said:

” There is a problem whenever I try to sign into appstore”

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Successfully Log in to Apple Account:

Is this iPhone under someone else’s Apple Account? Or is is under your Apple Account?

If it is associated under someone else’s Apple ID - then they need to log out of it themselves .

If that is N/A - then use these two links two reset what need be:

• If you Forgot your Apple ID - Apple Support
• If you Forgot your Apple ID Password - Apple Support

Do you have access to another WiFi network where you can try? That has worked for several people.

Try a restart.

Restart your iPhone, iPad, or iPod touch         

Try a forced restart.

Reset Device.      

If necessary

Hard reset.        

Do a backup and try a factory reset. Then restore from your backup.

Restore to Factory setting.      

Backup - Restore your device from an iCloud or iTunes backup.