Help to install android

Hi,

Im new on BananaPI and for now I didnt get work any SO on my BPI-M64.

I follow all steps from this article (https://bananapi.gitbooks.io/bpi-m64/content/en/bpi-m64quickstart.html).

When I try burn image on my SDCard almost return error. After finished I plug sdcard on M64 but freeze on boot loader don`t start Android if I check sdcard on Windows SDCard is empty.

I try 2 sdcards and have same problem. Somebody help me? how to fix it ?

On my cellphone sdcard work normally.

Burn Android images: https://bananapi.gitbooks.io/bpi-m3/content/en/how_to_burn_android_image_to_emmc.html