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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Checking SIM lock status for my mobile phone

Your mobile phone might be SIM locked to a specific service provider. Follow these easy instructions to find out your SIM lock status.


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1. View SIM lock status

Insert a SIM from another service provider and turn on your mobile phone.
If your mobile phone is SIM locked, a message will appear on the display.
See how to insert your SIM.
Apple iPhone 4S (iOS8)
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