It's worth trying a new dongle at this point, we are not getting widespread reports of outright failures to connect to the wi-fi. Important to note that the Dynon wi-fi dongle widely sold has changed to a completely different model, and it is not compatible with original generation AF-5000 touchscreens (unless they have specifically been upgraded to the Intel CPU in the AF-6600, as we have offered since 2022).
We do have stock of the legacy dongles, they are available here:
https://advancedpanel.store/products...11bd91d1&_ss=r