Unfortunately, once I did finally get an open comport, the cards firmware was so old that it told me that the reset commands had not been implemented, thus the need for newer firmware. That was after following the guides here telling me to use such and such a driver and then to reset the card to factory defaults via special AT commands. So when I tried to flash the newest generic firmware to it, it failed putting the card into some kind of boot wait mode. The card was supposed to be generic, but it wasn't. So I had to then uninstall the Dell drivers and install the Sierra Drivers. Interestingly enough, it changed all the VID/PID to the default Sierra Wireless values. You'll have about 30 seconds to perform this action once it resets the modem.Īfter that, it flashed fine. The fix was to point the EM7455 errored device at the DW5811e Snapdragon(TM) X7 LTE QDLoader PORT driver. Secondary error code: 5 - Neither NDIS adapter nor serial port is available.ĭevice error code: 0x0 - Unknown device error code. Primary error code: 82 - Failed in checking modem mode.
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