Here's what happened to my unit:
Randomly my unit went into update mode from the SD card that I used to install 2.08 firmware. I left it in there since my install a year ago and have had no issues since then. As the upload was going, the screen turned red and froze. Since then I updated the SD card by deleting the old 2.08 files with a fresh 2.08 dl from the Pioneer site. I proceeded with the new update, but after it was completed I had no Nav or AV.
I found some 3.0 firmware files on avic411 and tried installing the 3.0 firmware, updating WINCE, and going through testmode, copying t