Hi there,
you can download the flasher version image and then burn to sd card. Then you plug the sd card to core v2.0. Power on the core v2.0 and it will burn the image to emmc automatically. then you get the factory version emmc. here is the link for the image. thanks.
<LINK_TEXT text=“https://v2.fangcloud.com/share/7395fd13 … 14&lang=en”>https://v2.fangcloud.com/share/7395fd138a1cab496fd4792fe5?folder_id=188000311814&lang=en</LINK_TEXT>