Here is how to do that: The bug in i OS can be the reason why i Phone won’t download or update apps. Erase all content and settings – the settings will be restored to factory defaults, and all your data will be erased. The solution is to delete apps one by until you are able to download and update applications.
If there is a new i OS version available, it is advisable to download and install it. To update the software wirelessly: When it comes to i Phone and i Pad how to’s, we usually list these two solutions because they can be effective if nothing else works. This may be time-consuming, but still, it can fix the issue.
So, before you move to other solutions, turn your phone off and back on again.
Another thing you can do if the app is slow or not showing new apps is to clear its cache.