However, the introduction of such deep, systemic integration inevitably raises the specter of privacy. Previous attempts at personalized operating systems relied on cloud-based telemetry, turning the user into a product. BigDroidOS 2.0.1 circumvents this dystopian trap through its revolutionary "Zero-Knowledge Sovereignty" framework. By utilizing advanced federated learning and homomorphic encryption, the OS can process deeply personal data and train predictive models entirely on the local hardware. The system learns everything about the user's habits while sending absolutely no raw personal data to external servers. In BigDroidOS 2.0.1, privacy is not a settings menu to be navigated; it is a foundational law of physics dictating how the code operates.