Download image and LinuxUpgradeToolv1.21 <code> # format sudo upgradetool lf

sudo upgradetool uf rockprorabian1507252ce6708nand.img </code>

• http://radxa.com/Rabian/develop
• https://github.com/radxa/rabian-build

apt-get install qemu binfmt-support qemu-user-static

recompile kernel

BOARD_IMG=rock_pro
cd rock-bsp 
make kernel-config
make 
mv boards/${BOARD_IMG}/rockdev ${OUT}/${BOARD_IMG}/${TODAY}/ && cd -

if [ ! -z ${OUT} ]; then
	IMAGE_NAME="`basename ${OUT}/${BOARD_IMG}/${TODAY}/rockdev/${BOARD_IMG}_*.img`"
	cd ${OUT}/${BOARD_IMG}/${TODAY}/rockdev && xz -z ${IMAGE_NAME} && cd -
fi