-20°C to +55°C
Humidity 5%--95% non-condensing
5 Usage
5.1 SIM card installation
Make sure that there is no call transfer and call display is on, and PIN code off. The
SMS message must in Text format, can’t be identified for PDU format.
Steps:
5.1.1 Turn the screws, open the back cover,and take out the battery.
5.1.2 Push the foil back and pull it up.
5.1.3 Insert the SIM card into the holder,press the foil down and put the battery in place.