Want to use your mobile phone to establish an internet connection from a laptop or desktop? It's called tethering. It's easy, but remember you need to set up your mobile phone for internet before you can use this function.
Connect the data cable to the socket and to your computer's USB port.
Before you connect your mobile phone and computer, you need to install iTunes on your computer.
Tap Personal Hotspot.
Tap the indicator next to "Personal Hotspot" to turn on the function.
Tap WiFi and USB Only. An internet connection from your computer via your mobile phone is automatically established.