1. Find "Advanced"
Slide your finger downwards starting from the top of the screen.
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Press the settings icon.
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Press Network & Internet.
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Press Wi-Fi.
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Press Wi-Fi preferences.
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Press Advanced.
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2. Turn automatic use of mobile data on or off
Press the indicator next to "Switch to mobile data automatically" to turn the function on or off.
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3. Return to the home screen
Press the Home key to return to the home screen.
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