slightly push the top edge of the card to release it and pull it out of the slot.
NOTE:
. Make sure that no foreign objects enter the slot.
. Keep a microSD card in a well-protected box to avoid dust and humidity
when you are not using it.
Devices settings
3.1 Using Device Settings
To open the Device Settings menu, first tap the Settings button on the main
menu.
The Device Settings menu appears as shown above. The following sections
describe these buttons and their functions.
You can customize the device settings such as backlight, volume, date and time.
Once you change the settings, your new settings will remain until you change
them again.