I had the same problem with my AVIC F700BT when I tried to upload 3.0... I followed the directions, on this forum, then did it again and the update took. It took twice for me to upload the files via test mode for the update to take, then voila no black screen. You should refer to the dude who uploaded the files onto megaupload, his directions were money. And from there I updated to 3.2 directly (No you do not need to update to 3.1 to get 3.2 despite what people tell you, mine installed just fine from hacked 3.0, without fooling with 3.1.)