Device Guides

Apple iPhone 4S

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iOS is the operating system software installed on your iPhone. To find out which version you have: Tap Settings, Tap General, Tap About, and view the version number.
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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 6 possible causes:

  1. The required app is damaged or deleted
  2. You aren't using the latest version of the app
  3. You have a new iPhone
  4. You've got a new phone number
  5. The memory is full
  6. There's no internet connection
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