So out of curiosity is there anyone who had this issue who has swapped out their device for a replacement which doesn't have the issue now?
I assume everyone else is waiting for AT&T to get more in stock as well, but just checking. It'd be great if we could definitely say that it's a hardware issue or not. Doesn't seem like one to me, but you never know, I guess.
I'm very interested in this as well. The WiFi issue has really been irritating me lately, to the point where I just keep WiFi off and use LTE. I'm really fortunate that I'm in an LTE coverage area, I guess, since it's even faster than my home connection, and that the heavens that Nokia finally got the 3G/LTE data bug fixed ahead of schedule or else I'd really screwed.
Ideally, though, WiFi is what I'd like to use for many reasons: first and foremost so I don't destroy my AT&T data allowance. But also important: battery life seems to suffer on LTE when I'm doing a lot of browsing, especially when compared to WiFi.
I know other folks have been wrestling with WiFi issues for months, but I never had any WiFi issues with my HTC Arrive. Multiple laptops, Kindle Fires, regular Kindles, and Android phones use my WiFi network without any issues. My Lumia 900 is the only device that is having a problem. I've also experienced this problem on the WiFi at work.
So if anyone exchanges their device to see if it fixes this specific issue, I'd really like to know what happens. Thanks.