This often happens if the apps were downloaded on an Apple ID with which you are no longer logged in, for example if you synced your phone with a friend's computer.
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Try downloading a few new apps on your account to see if you are able to open those, or try an alternative Apple ID that the apps might belong to.
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Try downloading a few new apps on your account to see if you are able to open those, or try an alternative Apple ID to which the apps might belong.
This often happens if the apps were downloaded on an Apple ID with which you are no longer logged in, for example if you synced your phone with a friend's computer.
Try downloading a few new apps on your account to see if you are able to open those, or try an alternative Apple ID that the apps might belong to.