Device Guides

Apple iPhone 4

Change device
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.
Change device

How to

Turning my mobile phone on and off

Follow these easy instructions to turn your mobile phone on and off. Remember you need to insert your SIM into your mobile phone before you turn it on.


Email this guide
Was this guide helpful?

Would you like information for your {device-name}?

Would you like

Information for one of these devices?

No thanks