Nubia Plans September Release for NaviX Ultra Smartphone Featuring Doubao AI Agent
ZTE and Nubia President Ni Fei announced that the Nubia NaviX Ultra (referred to as the Doubao phone) has received its network access license and is scheduled to go on sale in September. The device integrates ByteDance's Doubao AI assistant at the system level to perform complex cross-application tasks like price comparison and trip planning. This launch marks a notable industry shift for mobile AI agents, moving away from visual screen-scraping (GUI automation) toward standardized API integrations via the Model Context Protocol (MCP). It establishes a new standard for how smartphone manufacturers and app developers must collaborate to enable secure, native system-level AI workflows. Rather than using GUI screen-reading or simulated clicks, the NaviX Ultra requires third-party apps to provide MCP services so the Doubao assistant can invoke their interfaces directly. Additionally, core large language model computations are processed entirely on-device to minimize privacy risks, complemented by a hardware 'AI button' and a 7000mAh battery.
## BACKGROUND
Mobile AI agents traditionally rely on GUI automation, where the system captures screen pixels and simulates finger taps to navigate applications on behalf of the user. In contrast, the Model Context Protocol (MCP) is an open framework that standardizes how AI models securely query external data and invoke application APIs directly, offering higher reliability and performance.