Ok, for me it is not important to flash emmc. I can use system from card.
And I want use this method. So, what should I do step by step? For this
momet I have got old version on the emmc and ne we on sd card. If i remove
card, BBB boot from emmc. If I insert card, BBB boot from sd card. But when
> * I don't know enough about the flashing process to know if it is done
> on
> a "by file" basis, or is done "by block". If the former, getting the used
> space of the SD card down to around 1.5-1.8GB might be sufficient; if it is
> by blocks, you'd have to somehow compress the SD card
