There's no problem of course, I just did not have time for this yet, and was asking if it's not pointless. Thanks for the response so far, I'll try...

Yeah I ended up ordering a refurbished office mini pc, might repurpose the android box for something else down the line, like a pihole or something. Moved the plex server to my desktop and running it like that atm. That was pretty much all I was using the box for. Thanks a lot for all the help!

Hi @Mayuyu, I burned the image "Armbian-unofficial_25.05.0-trunk_X96q-ddr3_bookworm_edge_6.12.11_server.img.xz" using Balena Etcher onto an SD card, then inserted it into the box and booted normally. Before that, I had tested the MiniArch-20231112-6.6.2-board-h313.x96_q-SD-Image.img image, and I found that it resolved my boot issue after performing an update.

@Malay You were really close, from what I can see in your screenshot. You need to check the "Write by Address" box when using the Windows tool there, everything else in the screenshot looks correct.

This means to me that there is a power problem. That can be complex, with a backfeeding situation that exists with the CPU box but not with other computer. Might be electronically something damaged now, not impossible even if it worked for weeks. Might a different U-Boot that does incomplete initialization or does finally something correct but as a consequence that your setup does not work anymore. I see things initiated in the kernel log, but what is what is not clear to me. So maybe have a look at lsusb (with proper options) output. I must also say that USB connected storage is something I avoid. Wasted loads of time on it on RPI4, eventually made own power-supply, also battery fed now, that was main reason for own electronics actually. Else I could also have sold it, I have RK35xx devices now and use SATA from those and 12V based power.