This document provides an overview of Telstra's journey to deploying IPv6 for mobiles. It discusses why IPv6 is needed due to growth in devices and traffic, and depletion of IPv4 addresses. It covers the business and technical considerations for transitioning to IPv6. The document outlines Telstra's network architectures for IPv6 including centralised CGN, 464XLAT architecture and addressing schemes. It discusses their deployment model and experiences including growth in IPv6 usage. Lessons learned around community engagement, customer support and reporting metrics are also provided.