When I try to install an app I get the message "you have not signed in to App Store"
When I try to install an app you have not signed in to App Store yet and review information and keeps doing that over and over again
[Re-Titled by Moderator]
Question marked as
Log into your account in the App Store/iTunes and you should be able to change/verify it there.
Apple ID has not yet been used with the iTunes store. Please review your account information -
https://discussions.apple.com/thread/8434425?answerId=33542414022#33542414022