Hi, Fixed. It was simple bad contact on FPC cable connector. Now I can see at least Lubuntu GUI on S430 and pi@FriendlyELEC:~$ dmesg | grep 'Kernel command line' [ 0.000000] Kernel command line: console=ttySAC0,115200n8 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait init=/sbin/init loglevel=7 printk.t...