Radio turns on for 29 to 30 seconds then turns off if I hold the menu and map buttons a code is needed but still turns of anybody have any clue why this does that

Hi take this link of this  topic 

http://avic411.com/index.php?/topic/27979-x910bt-map-updates/

and in this topic take the link hybrid 4001 to upgrade your device 

http://avic411.com/index.php?/topic/36245-hybrid-40-avic-f900bt/page-4

it's for usa or europe it work for the 2 unit