
US20 Series
User Manual
16
1.5
SIM Card
1.5.1
Inserting the SIM Card
SIM card supports voice call and data transfer through mobile communications. The card should
be the one verified by a local network supplier.
To insert SIM card, remove battery cover on the rear of the device and pull out the battery.
Slide the SIM card holder upwards to open it and place the SIM card in the correct direction and
slide the SIM card holder down to lock it.
Either the front or back of the SIM card can be connected to dual slot.
After inserting the SIM card, close the holder and lock it in the downward direction.
For more information on how to use the phone, please see