This document summarizes research on using iris scanning to improve smartphone security. It discusses how iris scanning works by capturing high-resolution photos of a person's iris using infrared cameras. These photos are analyzed to extract over 200 unique data points about the iris's patterns, curves, and features to generate a unique iris code for identification. When the user attempts to access their phone, it takes a new iris scan and compares the generated code to the saved code to authenticate the user. The research presented a prototype system using onboard cameras and found iris scanning to be a promising approach for hands-free interaction and access on mobile devices, though it has limitations like needing close proximity and being more expensive than other biometric options.