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 send and receive SMS

This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.

Apple iPhone 4S (iOS8)
Apple iPhone 4S (iOS8)

Before you start this troubleshooting guide you need to check one important thing:

Can you make a voice call?

It's important first to find out if you can make a call. If you can't make a call, you need to solve this problem. By solving this problem you'll most likely solve your problem with sending and receiving SMS.


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