Meta's smart glasses app contains complete, inactive facial recognition system; researcher triggers end-to-end biometric pipeline on Android device, June 2026.

Meta's smart glasses companion app ships a complete, dormant face-recognition pipeline on a stock account.

04 Jun 2026 Stella is the companion app for Meta's smart glasses. Inspecting version 273.0.0.21 of the Android build (com.facebook.stella), I found the entire computational and storage stack for on-device facial recognition: three face models, a local database schema, a cosine-similarity vector index dimensioned to match the models, a write path that stages biometric records to disk, a fully wired notification surface, and a user-facing "Connections" widget.I want to be precise about what that d...