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I have a Verizon Pantech PC5750 WWAN card. Been using it for about a year or two now. EVDO RevA so nice and fast when available.

There was a VZAccess update (to 7.3.11 I think) and once I did the update, I started getting a 633 error. I cannot find standalone drivers or firmware newer than I have, to try that kind of update.

Hard to find any good solutions using the Google.

Any ideas?

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Turns out, the PC card was using COM8, and nothing else was using COM8. Nonetheless, when I switched it to use COM11 (Randomly selected) it suddenly started working. Very odd. Since there was nothing else I could find on the topic I figured I would post it here.

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