Read this topic about the firmware update problem: Firmware not supported on this device (TRB500)
This also has a hint how to update the modem firmware.
Try to do them both (first the main firmware then the modem firmware)
Read this topic about the firmware update problem: Firmware not supported on this device (TRB500)
This also has a hint how to update the modem firmware.
Try to do them both (first the main firmware then the modem firmware)