Turn GPS on or off
Turn NFC on or off
Use music player
Change screen brightness
Choose network mode
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 "Data usage"
Slide your finger downwards starting from the top of the screen.
Tap the settings icon.
Tap Data usage.
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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