To dismiss all notifications, tap
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To open Quick Settings, swipe down from the top of the screen twice with one finger or once with two fingers.
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To close Quick Settings, swipe up from the bottom of the screen twice with one finger or once with two fingers.
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USB connection
When you connect your phone to a computer using a USB cable, the Notification panel displays a notification such as
"Connected as a media device". You can tap the notification, and then select one of the following options:
Media device (MTP): Select this mode if you want to transfer media files such as photos, videos, and
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ringtones between your phone and the computer.
Camera (PTP): Select this mode if you want to transfer only photos and videos between your phone and the
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computer.
USB debugging:Select this mode to enable debugging. You can then use tools such as Idea
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Tool on the computer to manage your phone's data.
at the bottom of the Notification panel.