kybok

too little knowledge in this, still can't boot via sd card

The problem is that I can’t go anywhere now except to u-boot. After my manipulations with the system, armbian no longer loads.

thank you very much, please tell me how to write this command in u-boot?

Hi all. I installed Armbian_community_24.5.0-trunk.667 firmware with multitool. _Rk322x-box_bookworm_current_6.6.31. After I wanted to put more outdated firmware Armbian 21.05.1, but now I can not run multitool from microSD, constantly loaded u-boot 2024.01, when trying to boot from a flash drive with u-boot shows that multitool has a corrupted kernel, although before the firmware 24.5.0 was all normal, please help.