SAINTCON 26 · Session
Come for these hands and you'll get them: How to jailbrake the iPolish e-ink press-ons
Smart e-ink press-on nails are tiny displays glued to your fingers, controlled through an app, wand, and cloud backend. This talk uses them as a weird IoT case study in DRM, e-waste, BLE security, and app-dependent hardware. We’ll cover how APK reverse engineering revealed the protocol before the hardware arrived, what security boundaries were missing, and how independent Android, ESP32, and Flipper clients can keep the nails working after the official ecosystem would have ended their support