hello need to update my 3700s but dennon site does not reconize serial number .need help
You don’t need to register the device to download the firmware.
when you login they ask for serial number
The extreme lengths people go through… about 3/4 down the page:
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You don’t need to login nowhere to get the software. Just look for Your device in the link that Reese provided…
Also very easy to find the same link on google.