1. From the home screen, swipe down from the top of the screen to reveal the Action center.
    device 2802/1358668.jpg
  2. Tap ALL SETTINGS.
    device 2802/1358669.jpg
  3. Tap cellular+SIM.
    device 2802/1358670.jpg
  4. To enable or disable cellular data, tap the Data connection toggle.
    Note: Data connection is enabled by default.
    device 2802/1358671.jpg
  5. To change roaming options, tap the Data roaming options drop-down menu.
    Note: Data roaming is off by default.
    device 2802/1358672.jpg
  6. Tap the desired option.
    device 2802/1358673.jpg