TMTPOST -- ByteDance is partnering with ZTE Corp to integrate its Doubao AI assistant into smartphones through system-level collaboration, marking a strategic push into mobile artificial intelligence (AI) without manufacturing its own devices. The Chinese tech giant aims to reshape smartphone interaction by embedding its AI agent directly into the operating system.
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ByteDanceon Monday launched the Doubao Mobile Assistant in a technical preview, debuting on ZTE's Nubia M153 prototype. The assistant enables users to voice-activate complex tasks such as cross-platform price comparisons, restaurant bookings, and photo editing, representing what ByteDance describes as a new approach to mobile interaction.
The company emphasized it has no plans to develop its own smartphones and is in discussions with multiple phone manufacturers to roll out the AI assistant more broadly. The move positions the company as a potential operating-system-level AI provider rather than a hardware competitor.
The initiative comes as China's tech sector races to define the future of AI-enabled smartphones, with ByteDance leveraging its Doubao large language model's leading position. Doubao had 159 million monthly active users in October, surpassing Tencent's Yuanbao at 73 million and 『DeepSeek』 at 72 million, according to AI product tracking platform Aicpb.com.
Limited Prototype Showcases Advanced Capabilities
The Nubia M153, priced at RMB3,499 ($494), serves as an engineering prototype designed for industry insiders rather than mass-market consumers. The device features a 6.78-inch screen, a 50-megapixel triple-camera system, and runs on the Qualcomm Snapdragon 8 Elite Gen 5 processor.
Users activate the assistant through a dedicated AI button on the device's side. A demonstration video showed the assistant performing multi-step operations: identifying a product from an image, searching across Taobao, Pinduoduo, JD.com and Douyin Mall, comparing prices, and selecting the cheapest option for purchase.
The assistant can also book restaurants and transport, add podcast episodes to playlists, and manage work tasks on collaboration platforms like Feishu. With memory function enabled, it records conversations locally, generates to-do lists, and recalls user preferences such as previously booked train seats or delivery locker locations.
ByteDance and ZTE acknowledged the prototype's software "cannot guarantee the functional completeness of a mature mobile product" and may lag behind mainstream flagships. The companies committed to releasing software updates every two weeks through March 2026.
System-Level Integration Strategy
ByteDance's approach centers on operating-system integration rather than app-based functionality. The assistant appears as an overlay without disrupting current applications, allowing users to query information or execute commands through voice or the AI button without switching apps.
"It's been more than a decade since Apple launched Siri in 2011," said Gan Lin from the Doubao Mobile Assistant team. "In 2022, the release of ChatGPT inspired the entire industry to reimagine the potential of mobile voice assistants, and we were part of this collective journey."
The company is developing a Pro mode that directly calls system tools rather than simulating clicks, improving execution efficiency. Demonstrated scenarios showed the assistant planning a Paris trip by marking collected restaurants on maps, checking museum exhibitions based on user preferences, booking tickets, and organizing information into memos.
However, the demonstration revealed limitations. A price comparison task took three minutes and 12 seconds, with the AI missing discount opportunities such as multi-buy offers and payment method rebates. ByteDance acknowledged that due to large language model uncertainty, operations cannot be completed successfully 100% of the time.
Avoiding Direct Hardware Competition
The partnership reflects ByteDance's evolved hardware strategy. In 2019, the company acquired part of struggling smartphone brand Smartisan, launching the Nut Pro 3 and Nut R2, which underperformed. The phone team was later merged into the education department for student gadgets.
