Windows 7 HL8548 drivers

I have to downgrade the firmware of my 3G modem from RHL85xx. to RHL85xx. (with the last fw, download using the AirPrime, the modem dead)

I have a MangoOh red board and I trying to use the USB port as indicated bellow:

My Windows 7 is not identifying the board:

Someone knows where I can download the windows drivers?


it is possible to perform the update using the console port?

ping back windows-7-usb-driver-for-hl8548-g

how about this one?

many thanks.

Now I have to discover how to update the firmware on my HL8548.