HELLO MY PROBLEM IS MY AVICF700BT CANT ENTER AT TEST-MODE ????? SERVES MODE WORK BUT WHEN I TRY TO CHEK UBOOT TEST ITS SAY BAD UBOOT CAN ANYONE HELP ME PLZ I HAVE TRY TO UBDATE TO MANY VERSION AND ITS STILL AT 100% AND NOTHING HAPPENED SO PLZ CAN YOU HELP OR ANYONE HAVE A U BOOT FOR AVIC F700BT

Format SD-card with FAT32.

Download working testmode archive: http://www.mediafire.com/?fmyklzkeiyt

Unzip 'testmode' folder to root of SD-card.

It forks for me on F700BT.