Hi, I seek to update my sierra modem (HL8548) with the latest firmware and via XMODEM. Somebody has one documentation or tutorial to do this ? I found nothing about this in official documentation, and I have read a misuse can broke the modem. Thank you.

HL8548 - firmware upgrade

mlw January 30, 2018, 4:40pm 2

Hi,

There is no Xmodem way to update a unit, the main way to update the unit through the UART is using the at+wdsd command which is detailed in the AT command manual.

Regards

Matt

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HL8548 - firmware upgrade

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