Device Guides
Apple iPhone SE
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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.
Tap Settings.
Tap Mobile Data.
Tap the indicator next to "Wi-Fi Assist" to turn the function on or off.
Tap the Home key to return to the home screen.
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