Originally Posted by eureka
It should work only if boot_mode is set to "factory", right? By default, boot_mode is set to "main". It's initialized from some configuration variable (idme variable), persistently stored at eMMC. You can change bootmode from U-Boot console (by idme command) or from root shell on device (by /usr/sbin/idme tool).
" situation. The factory cable may only work if bootmode = factory, but you need root access to change that bootmode var. After you have root, you no longer need factory mode.