Jooki, the once-beloved screen-free audio player for kids, faced the harsh reality of bankruptcy, leaving many devices unusable. But could there be a silver lining? This blog post delves into the intricacies of Jooki’s firmware, uncovering hidden exploits, backdoors, and the potential for code execution. By leveraging these discoveries, there is hope to revive these abandoned devices on our own terms. From dissecting the filesystem to exploring OTA software updates using Mender, the journey to reclaiming Jooki is an adventure worth undertaking. And for the creators of Jooki, a call to open-source their creation could pave the way for a community-led resurgence of this innovative hardware.
https://nv1t.github.io/blog/reviving-jooki/