Basics
Rearranging quick setting buttons
To rearrange quick setting buttons on the notifications panel, tap 
→EDIT, tap and hold an item, drag the item to another location, and then tap DONE.
Using the quick setting buttons
You can activate or deactivate some features on the notifications panel. Tap the following options to activate or deactivate them. You can view more detailed settings if you tap and hold a button.
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•Location: Activate or deactivate the GPS feature.
•Sound / Mute: Select a sound mode.
•Auto rotate / Portrait: Allow or prevent the interface from rotating when you rotate the device.
Some apps do not allow screen rotation.
•Bluetooth: Refer to Bluetooth for more information.
•Power saving: Refer to Power saving feature for more information.
•Flight mode: Refer to Flight mode for more information.
•Do not disturb: Activate or deactivate blocking mode. In blocking mode, the device will block notifications. To select which notifications will be blocked, tap Settings →Do not disturb.
•Reading mode: Activate or deactivate reading mode. In reading mode, the device helps protect your eyes when reading at night.
•U. power saving: Refer to Ultra power saving mode for more information.
This feature may not be supported by some devices.
•Private mode: Refer to Private mode for more information.
•Smart View: Refer to Smart View for more information.
•Sync: When you activate this feature, the device automatically syncs apps, such as calendar or email.
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