I upgraded my DAP-1522 from firmware 1.20 to 1.21 and all the settings on the Settings > Wireless page disappeared. I tried resetting the unit to defaults but that didn't help. When I restored the older 1.20 firmware everything worked again.
Can anyone else confirm this bug?
Also, I'm still waiting for an update that allows my DAP-1522 to connect (or at least report properly) a wifi-N link to my DIR-628 router, when both are set for "N only". Currently, both units report a "Wifi-A" link?