3. CreatafolderofBPI-Tools
mkdirBPI-ToolscdBPI-Tools
4. UpdateBPI-Tools
sudobpi-tools--upgrade
5. Usebpi-bootselcommnad
6-1:M3imgaeisswitchabletoM2_Plus
sudobpi-bootsel/usr/lib/u-boot/bananapi/bpi-m2p/BPI_M2P_720P.img.gz
6-2:M2_PlusimgaeisswitchabletoM3imgae
sudobpi-bootsel/usr/lib/u-boot/bananapi/bpi-m3/BPI_M3_720P.img.gz
VideoDemo
https://www.youtube.com/watch?v=HdBNcrOKngM&feature=youtu.be