Device Guides

Apple iPhone 4S

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iOS is the operating system software installed on your iPhone. To find out which version you have: Tap Settings, Tap General, Tap About, and view the version number.
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How to

Turning data roaming on my mobile phone on or off

If you want to avoid using data when you're abroad, you need to turn off data roaming on your mobile phone. Once done, you can only make voice calls, send SMS and use applications that don't require an internet connection.


List view

1. Find "Cellular"

Tap Settings.
Tap Cellular.

2. Turn data roaming on or off

Tap the indicator next to "Data Roaming" to turn the function on or off.

3. Return to the home screen

Tap the Home key to return to the home screen.
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