I just picked up an F900 from the Best buy that I work at for $350. It has the GPS antenna, mic, and all appropriate harnesses. I powered up the unit, everything turns on ok, but when I go to try and sync my iphone, alllll the phone settings are grayed out. Also, I can look and move around the map, I powered up the unit on my test bench and plugged the antenna in and it recognizes where I am at, but it doesn't appear that I can actually set a destination or do an address search......
I have both updates saved to SD cards ready to update, but they won't take yet. I have even tried reset