LuckFox Core3566 flash eMMC

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Hi all. i got Armbian for luckfox, compiled by builder, and also tried downloaded img binaries. but cannot find clear and complete instruction how to write thtat img to eMMC  and for SDCard .

what tools and steps should be used for get Armbian img boots and works on that board.

thanks in advance

PS. BigTreetech CB2 same problem - no clear info about flash eMMC and SDCard.