Turn use of PIN on or off
Choose network mode
Choose message tone
Making a video call on my mobile phone using FaceTime
You can limit your data usage by turning off mobile data. You'll then not be able to access the internet using the mobile network. You can still use Wi-Fi even though mobile data is turned off.
Find "Mobile Data"
Tap Mobile Data.
Turn mobile data on or off
Tap the indicator next to "Mobile Data" 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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