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English
Introduction
The USB modem is a multi-mode of 2G/3G/4G modem. With a USB interface connecting 
to your laptop or desktop computer, it supports data and SMS services through the mobile 
phone network, helping you realize mobile communication anytime and anywhere.
Hardware Installation
Installing the SIM/USIM Card
1.   Remove the back cover on the modem.
2.   Hold your SIM/USIM card with the cut corner oriented as shown and then slide it into 
the card holder with the metal contacts facing the modem.
 
3.   Replace the back cover.