Device Guides
Samsung Galaxy S8+
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How to
Turn automatic use of mobile data on or off
You can set your mobile phone to use mobile data automatically when the connection to the Wi-Fi network is weak. Before you can turn automatic use of mobile data on or off, you need to turn on mobile data.
Slide your finger downwards starting from the top of the screen.
Tap the settings icon.
Tap Connections.
Tap Wi-Fi.
Tap ADVANCED.
Tap the indicator next to "Smart network switch" to turn the function on or off.
Tap the Home key to return to the home screen.
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