Settings
Unpairing Bluetooth devices
1 Tap Bluetooth on the Settings screen.
The device displays the paired devices in the list.
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Tap next to the device name to unpair.
Tap Unpair.Flight mode
This disables all wireless functions on your device. You can use only
Make sure the device is turned off during takeoff and landing. After takeoff, you can use the device in flight mode if allowed by aircraft personnel.
Data usage
Keep track of your data usage amount.
On the Settings screen, tap Data usage.
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