I am new to this forum and I am having a bit of an issue with my avic-f700bt. It is a US version. When I turn my car on the loading screen comes on and shuts off after fifteen seconds (sometimes it goes into a never ending loop and other times it just stays black), unless I hit the menu button which then brings me to the top menu. The only thing I can access is the system settings and when I looked at the version it says "No version" next to the version and "no map version" next to the map version. I tried using the upgrade that is on pioneers website, as pioneer suggested, and it freezes at 94% the both times I have tried it. I contacted pioneer and they said the maps and software need to get reloaded back onto the unit. I was wondering what you guys thought and if anyone has the backup of all the files for the f700bt that I could use. I know others have had this issue but I havent seen anything about both versions being wiped off, so I didn't know if my case is different. I would greatly appreciate any help I could get with this issue.