System settings
System settings: In this setting, you can set language, music
scanning mode, backlight brightness, backlight time, theme style,
colorful theme, font size, USB mode, lock screen operation, time
setting, power saving shutdown, sleep shutdown, battery Power
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kinds of languages.
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the memory card is inserted, or the connection with the computer
is disconnected, the system will automatically scan and retrieve all
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2) If the capacity of the memory card is relatively large, the
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