awesome, okay. so I got it to write the emmc by plugging it into my le potato and aux power and using this guide
which should be easier to find, btw. maybe a link or something on the device page… I tried armbian before seeing your message and then your message came right in time after the same error, so I gave debian 12 a shot and so far so good. debian nor ubuntu would not run off the usb drive for some reason, but the firmware updater ran just fine with it. it would eventually ask me for a maintenance password? idk what that is. all good now though updated and everything just fine. now for the fun part, im making an ebike computer for cameras and lights