== Installation == At this point, you must install U-Boot to flash yourself. Many sunxi boards (Bananapi, Cubieboard) can be written to SD directly: dd conv=fsync,notrunc if=/usr/lib/u-boot/BOARD/u-boot-sunxi-with-spl.bin of=/dev/mmcblkX bs=1024 seek=8 Pine64 plus can be installed using the u-boot-install-sunxi64 utility. == U-Boot environment tools == fw_printenv / fw_setenv read /etc/fw_env.config for configuration.