As part of my ongoing exploration of the internals of the Xiaomi vacuum robot, I took a more thorough look at the boot process of the Allwinner SoC today. It turns out they use a slightly patched version of Allwinner’s U-Boot tree. When disassembling the U-Boot present on the device and checking the source in […]

continue reading An even easier way of rooting the Xiaomi vacuum robot (also, a generic bootloader backdoor on some Allwinner devices)

(Update: There’s a much easier way to get the root password now) I got myself a Xiamo vacuum robot a while ago. Being the kind of person I am, I opened it up almost immediately (and then bricked it). I’ll write a more detailed post on this soonish, but I figure I’d rather get the information […]

continue reading Recovering the root password of a Xiaomi vacuum robot