Good evening. I have serious problems I went to download firmware for avic f900bt and got wrong and the passage and now my restarts every 3-4 minutes I do not know I do it to please anyone who knows an answer I spent this Firmware update for products updated with CNSD-200FM and had to pass this Firmware update for products without CNSD-100FM update you will now do anything

Ive got The same problem without The update.. You need to install new software trough testmode. But all The file links are dead

I have version 4.0 with updated maps and full instructions, $20.00 which can be sent via paypal.  That includes the instructions, SD card with new software and 2015 maps update.