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When you connect a USB storage device (such as a USB flash)
to your phone with an OTG adapter, you can view its storage
status, unmount it, or erase all data on it. See Using USB
On-The-Go (OTG).
Sound
Open Settings and touch Sound. Adjust different types of
volume, toggle sound mode (see Switching to Vibration or
Silent Mode), set Do Not Disturb options (see Using Do Not
Disturb Mode), set up ringtone and notification sound, and set
other sounds and vibrations.
Features
Open Settings and touch Features. The following features are
available.
System navigation: Set the navigation style as virtual
navigation or gesture navigation. See Setting the Navigation
Style.
Scheduled power On/Off: Set the day and time when the
phone automatically powers on or off. You can also touch
the switches on the right to turn the features on or off.