Step 1: DO NOT connect USB cable or connect modem to PC/server.
Step 2: Install the USB driver first by clicking on ‘run’. USB driver can be downloaded from here — https://www.mobitek.my/download/USB Drivers/USB Driver for MOBITEK S80.zip
Step 3: Click on ‘next’.
Step 4: Check the ‘I accept the terms in the License Agreement’ and click on ‘Next’.
Step 5: Choose the installation folder or path, then click on ‘Next’.
Step 7: Make sure to restart the machine or computer in order to use the installed driver.
Step 8: After computer is restarted, connect the modem to the computer. In device manager, the connected modem is listed as ‘Sierra Wireless AT Command Port (UMTS)’. In this example, the modem is connected to COM port number 29.