DEVICE
HDMI
In HDMI, tap Enable auto switch to switch on or off the HDMI output.
Sound
In Sound, select sound settings for your device.
Volume | Drag the slider to select |
| the volume level for media, |
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Default | 6HWDQDXGLRÀOHDVULQJWRQH |
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|
Touch | Sounds play when you tap on the |
sounds | screen. |
Screen | Sounds play when you lock/ |
lock sound | unlock the screen. |
Display
In Display, select your display settings:
Brightness | Drag the slider to change the |
| display brightness. |
Wallpaper | Set the wallpaper of the device. |
Sleep | After the selected time |
| duration, the screen switches |
| off automatically.To save battery |
| power, select a low value. |
Font size | Select font size for the |
| display. |
Storage
In Storage, learn the space information about the internal storage and SD card on your Pi3900.
In Storage > Erase SD card, you can erase all the data that you have stored on the SD card.
USB computer connection
In Storage, tap 
> USB computer connection on the top bar.You can select how to connect Pi3900 to a PC through the USB cable, as
a mass storage device or MTP device (see 'Connect to your PC' on page 13).
Battery
In Battery, check the battery use by applications.
Apps
In Apps, manage the apps on the internal storage of Pi3900 (see 'Manage apps' on page 18).
ACCOUNTS
In ACCOUNTS, add, remove, or manage an account.
Location services
In Location services, switch on or off Google's location service.
»If the function is enabled, the tick box is selected.
»You can allow or disallow your location information to be used in online location services of Google, such as
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