20
Chapter 3: Usage Instructions
Installing the SIM card, memory card and battery
1. Swing open the main battery cover clip by 90 degrees, you can then
remove the battery cover
2. Insert the SIM card or microSD/TF card into their corresponding slots in
the battery compartment
3. Insert the battery, then cover it with the battery cover clip
Note: when you first use the battery, the battery will only be around 50%
charged
You can recharge through the power supply that comes with your adapter
or charger (sold separately) for charging. Charging for the first time should
take more than 12 hours.
Turning on/turning off and locking the screen
·
Turning it on
Press and hold the power key until the device begins vibrating. Release the
power key when the system LED is lit, indicating the device is turned on.
·
Turning it off
The user can turn the device off to save battery power when it is not in use.
Press and hold the power button for 3 seconds or more. A prompt box will
pop up on the screen. Select "shut down", and the device is turned off.
When the device is turned off, data in the system cache that has not been
saved will be lost.
·
Lock/unlock screen