1. Connect phone and computer
Connect the data cable to the socket and to your computer's USB port.
Before you connect your phone and computer, you need to install iTunes on your computer.
2. Find" Personal Hotspot"
Press Personal Hotspot.
3. Turn on tethering
Press the indicator next to "Personal Hotspot" to turn on the function.
Press WiFi and USB Only. An internet connection from your computer via your phone is automatically established.
4. Return to the home screen
Press the Home key to return to the home screen.