Updating apps on iphone wrong account
Go to "Settings" check "Installing Apps" and turn on the updating feature.
If you don't have enough storage space on your i Phone or i Pad in i OS 11, you can't download or update apps.
If you haven't restart your i Phone/i Pad for a long time, there may be much cache on your App Store.
Each time you search, download, install and update in the App Store, many records and memories are saved, which can prevent from download or update apps.
Sometimes, that can get a little overwhelming and you may want to shut that down.
Here's how to enable or disable automatic downloads and updates, and how to make changes to your payment information or unsubscribe to services.
Go to "Settings" slide to turn on "Set Automatically".
If you have tried all the methods above but nothing has worked, you have to consider erase all the contents and data on your i Phone and restore i Phone to the factory settings.
i Phone's date and time settings can influence the apps' downloading and updating in i OS 11.
Therefore, set your date and time to be automatically to solve this problem.
If the Apple ID has no problem, try to sign out and sign in to App Store to settle the issue.
Go to "Settings" tap the Apple ID again and sign in with your Apple ID.