iPhone App not working

In this video I cover all the reasons why your apps may not be working on your iOS devices. Some problems are small while others can be big. There are any number of reasons why an app may suddenly quit working but it doesn't mean it can't be fixed but unfortunately sometimes it does. Find out what is most likely your issue and how to solve it!
Articles used:
support.apple.com/en-us/HT202180 - How to manually update apps on your Apple device