StepFun's StepX Neo is a phone that runs on AI agents, not apps
StepFun, the Shanghai AI company backed by Tencent, unveiled the StepX Neo at an event on July 13, 2026 and called it the world's first agentic smartphone. It runs Step AOS, a custom operating system built on Android, Linux and RTOS components with the AI agent embedded at the system level. The built-in assistant, Amoo, takes one natural-language request and chains tasks across apps, web tools and the phone's own functions, and its core tasks run on-device, fully offline. The hardware has a dual camera and a secondary rear display for notifications and quick AI actions.