Use internet browser
Turn call waiting on or off
Set up your mobile phone for internet
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 Wi-Fi Assist on or off, you need to turn on mobile data.
Find "Mobile Data"
Tap Mobile Data.
Turn automatic use of mobile data on or off
Tap the indicator next to "Wi-Fi Assist" to turn the function on or off.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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