http://www.armbian.com/orange-pi-mini/
sudo dd if=./Armbian_5.38_Bananapi_Debian_stretch_next_4.14.14.img of=/dev/mmcblk0
apt-get update
apt-get upgrade -V
#cat /etc/armbian-release
#lsb_release -cs
dpkg -r linux-u-boot-bananapi-next linux-jessie-root-next-bananapi
apt-get -y install linux-u-boot-orangepi-next linux-stretch-root-next-orangepione
sudo ln -sf /usr/lib/linux-u-boot-next-orangepi_5.25_armhf/u-boot-sunxi-with-spl.bin /boot/script.bin
echo orangepi > /etc/hostname
reboot