How do I update the modem firmware on the MG100?

To update the modem firmware, follow the steps in this document:

Updating HL7800 Firmware Via UART

Firmware can be downloaded directly from Sierra Wireless.

https://source.sierrawireless.com/resources/airprime/software/hl7800-firmware/hl78xx-firmware/

After you select the updated firmware version, download the XMODEM package. Firmware updates are diff updates. The XMODEM package has the diff files used to load into the MG100 and update the HL7800. You need to know what version you are currently running and then you can select the file that goes from the current firmware to the new one.

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