1. From the home screen, press the Menu key.
    device 2633/1266518.jpg
  2. Tap Settings.
    device 2633/1266519.jpg
  3. Under Connections, tap More networks.
    device 2633/1266520.jpg
  4. Tap Mobile networks.
    device 2633/1266521.jpg
  5. Tap the Mobile data checkbox to toggle on/off.
    device 2633/1266522.jpg
  6. Tap OK.
    device 2633/1266524.jpg
  7. To toggle data roaming on/off, tap the Data roaming checkbox.
    device 2633/1266525.jpg
  8. Tap OK.
    device 2633/1266526.jpg