If the "Automatic date & time" option is enabled, system date and time will be synchronized
automatically with network time when you connect your device to a Wi-Fi network.
To set the time manually, you need to disable "Automatic date & time".
Besides, you can also set time zone and time format as per your needs.
Volume
On the system bar, click the Volume- icon
to decrease the system volume, and click the
Volume+ icon
to increase the system volume.
Or you can press the Vol+ / Vol- buttons (#5 in Device Instruction) on the top of the device to
adjust the volume.
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