Requirements:
- Computer
- USB cable type mini
- PI Service Terminal - Click here to download it
- Latest version for the Modem Update - Click here to download it
Modem Update
1) Download the latest version of the modem update and save it on the computer you use for the update:
2) Open the PI Service Terminal;
3) Connect the PC to the board via USB cable (yellow square):
4) Plug in the Battery (blue square)
5) On "Serial port" select the correct COM used (1), the Baud rate is set automatically (2) and click "Connect" (3) see image below:
6) Wait until the Main Menu appears or press H and press "P" to choose Setup NB-IoT module parameters:
7) Then press "U NB-IoT Module FW upgrade" and follow the instructions on the terminal:
8) Click on "Disconnect":
9) Open the latest version of the modem update .EXE which you have downloaded at the beginning of this guide:
10) Now type "1" for UAT [press ENTER];
11) Type the COM Port. In this example it is "5" [press ENTER];
Note: the COM port may vary from computer to computer. Type what is showing on the terminal
12) Type the COM speed "115200" and press ENTER;
From now on, DO NOT interrupt the process or the modem may no longer work. This may take up to 15 minutes to complete
When a green text appears the application started the modem update:
When "Hit ENTER to continue" appears, the process is completed. Press enter to exit:
13) Unplug the board and unplug the battery
- To double check if the modem update was successful follow the next given steps: - Open the PI Service Terminal - Connect the PC to the board via USB cable and connect the battery. - Then click "Connect". - Wait until the Main Menu appears or press "H" - Press "L" for Print NB-IoT info - Now you see at "Modem SW Version:" the actual version of your modem software.- This version should be the same like the name of the downloaded file (latest version of the modem update).
- Press now on "Disconnect" and unplug the USB cable and the battery