1. From the home screen, press the Menu key.
    device 2660/1294160.jpg
  2. Tap Settings.
    device 2660/1294161.jpg
  3. Tap Data usage.
    device 2660/1294162.jpg
  4. Tap the the Mobile data switch to toggle on/off.
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  5. Tap OK.
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  6. Press the Menu key.
    device 2660/1294165.jpg
  7. Check or uncheck Data roaming to toggle on/off.
    device 2660/1294166.jpg
  8. To quickly turn mobile data on or off, swipe the status bar down with two fingers to access the Quick actions menu.
    device 2660/1294167.jpg
  9. Tap Data connection to toggle data on/off.
    device 2660/1294168.jpg