use an adapter as shown below .
Before performing the following procedures make sure that the appliance is switched off :
1 . Lift the plastic slot cover (14) using the slot (10).
2 . Insert the SIM card into the slot (6), taking care to respect the position of the side cut
the card into the slot with the one pictured.
CAUTION:
Note the use of micro / nano- SIM adapter products TREVI
Smartphones and tablets TREVI with SIM card slot are designed to accommodate only
SIM in the standard format. The use of micro -and nano- SIM card with the adapter and '
not recommended as it can cause breakage to the device and the micro/nano SIM itself.
TREVI is not liable for damage caused by the use of adapters for micro/nano- SIM .
TREVI reserves the right to refuse free assistance in warranty on defective products that
have 'caused by the use of the SIM adapters for micro/nano- SIM.
QUICK GUIDE
Switch On/Off
Switch ON and Unlock: When the devices is in OFF mode, press and hold the Power key for
3 seconds to enter the Android startup process. The device will take about 100 seconds
to enter the system desktop, with the display in locked mode, please press and move the
icon by the white circle, the display will unlock automatically.
When the device is not in use, please put it into SLEEP mode, then the device will be ready
to use whenever you like, and you don't need to start the Android operating system again.
Power Saving Mode and Locked Mode
Short press the "POWER" key when the device is in use will make the system enter SLEEP
power save and locked mode, pressing it again will return the system to unlocked mode
within 1 second.
Note: The primary operation of the device will not stop under the power saving mode, the
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