Download the firmware update, which will be in ZIP format. Unzip the file once downloaded, you will have the following files:
Connect the FCT to the serial port of the PC using the Ericsson system cable. DO NOT POWER ON THE FCT, LEAVE IT TURNED OFF
Launch the bfloader application by double clicking the file ‘bfloader.exe’, you should see the following window:
The G36 supports both GPRS and 3G data connections. To use the G36 for data, you must first have the relevant service activated on the SIM card by your network provider.
Installing the G36 as a modem
Insert the G36 CD into your PC.
Power on the G36 and connect the USB cable to a spare port on your computer. Windows will detect the new hardware automatically and the Add New Hardware Wizard will be displayed:

The G36 Fixed Wireless Terminal has a built-in web site which allows you to configure the unit from a PC connected via the USB cable. Before you can do this, however, you first need to install the G36 on the PC.
Insert the G36 CD into your PC.
Power on the G36 and connect the USB cable to a spare port on your computer. Windows will detect the new hardware automatically and the Add New Hardware Wizard will be displayed: