Update on my situation: email support alternately ignored me or gave content-free replies for a couple of weeks before finally telling me to schedule an appointment for service. Fired up the app and wound up with a mobile service appointment for 8 days later. During the days leading up to it the tech wanted to login and look around. He said he found a directory occupying an unusually large amount of space and cleared it out. After that I lost all saved addresses in navigation and it forgot my home address, but the browser worked. After two days the browser locked up (it has done this from day 1; I only ever point it at teslawaze). After a reboot, music wouldn't load from USB. After a reboot, music worked but browser stayed blank. After a reboot, both worked. That's where I am today.