Device Guides
Nokia Lumia 820
I can't use one of my apps
This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.
We found 5 possible causes:
- The required app is damaged or deleted
- There's an error in the operating system on your mobile phone
- You aren't using the latest version of the app
- You've got a new phone number
- There's no internet connection
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