i have tried both of these links
http://www.avic411.com/forum/viewtopic.php?t=20296
http://www.avic411.com/forum/viewtopic. ... t=testmode
one deletes the extra crap that might be causing the problem with the reboot and the other reupdates the unit. still after about 5 hours of work on the unit it still reboots. can anyone help me with another solution. the problem has to do with the GPS cause when i unplug the antenna the rebooting stops but i dont have GPS. i really dont want to have to send the unit to pioneer can anyone help PLEASE!!!