Current smartphone security features are underpinned by technologies such as biometric authentication, encryption, and secure enclaves. Biometric systems, like fingerprint and facial recognition, enhance security by providing unique user verification methods. Encryption protects sensitive data by converting it into unreadable formats, ensuring that unauthorized users cannot access it. Secure enclaves further isolate critical processes and data, providing an additional layer of defense against threats. Together, these technologies create a robust security framework for smartphones.