Mostly true, but overstated. Xiaomi’s Changping Smart Factory in Beijing is designed for highly automated “lights-out” production, meaning key manufacturing processes can continue around the clock without routine operators stationed on the production floor. That does not prove the entire site is permanently empty of people, or that it runs at maximum capacity every hour.
Which Xiaomi factory is behind the headline?
The claim refers to Xiaomi’s second-generation Smart Factory in Changping District, Beijing—not every Xiaomi plant and not its electric-vehicle or appliance facilities. The factory began operations in 2024 and is focused on high-end smartphones, including foldable models around its launch period.
| Reported specification | What the evidence says |
|---|---|
| Location | Changping District, Beijing |
| Building area | Approximately 81,000 square meters, according to launch coverage from a Chinese government-affiliated China Daily page |
| Investment | Approximately RMB2.4 billion, according to Xiaomi |
| Annual capacity | Up to 10 million flagship smartphones; this is capacity, not guaranteed output |
Sources: Xiaomi announcement, China Daily government page, and Beijing science-and-technology authority coverage.
What “24 hours a day without people” actually means
In manufacturing, lights-out means automated equipment can run without normal shift-based operators standing at each machine. It does not mean that nobody works for Xiaomi or that no one can enter the building.
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Xiaomi’s 2023 annual report says the factory has fully automated “lights-out” production across various processes, including production management, mechanical processing, packaging, storage and transportation. A separate Xiaomi announcement claims 100% automation of key processes and 100% digitalization of industrial production. Those are narrower statements than “every activity at the site is permanently unmanned.”
“Lights-out” also does not necessarily mean the whole building is physically dark. Machine areas may need little conventional lighting, while safety routes, loading zones, control rooms, maintenance areas and emergency systems still require illumination.
Sources: Xiaomi 2023 Annual Report and Xiaomi’s 2024 announcement.
How the Changping system works
This is more than a room full of assembly robots. Lights-out smartphone production requires an integrated system that coordinates equipment, materials, software and quality decisions.
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Automated assembly and testing
Machines perform standardized assembly, testing and packaging steps. Automated inspection systems can check dimensions, appearance and functional results at production speed, reducing dependence on a person stationed at every workcell.
Digital production control
Industrial equipment continuously supplies data to production-management systems. Machine-to-machine communication, industrial networking, cloud and big-data infrastructure, artificial intelligence and IoT technologies help schedule work, record traceability and flag abnormal conditions.
Material movement and storage
Automated storage, transport and logistics systems move components and finished phones between process steps. Removing routine manual handling is essential: a highly automated assembly line still stops if parts cannot arrive at the right station.
Self-developed equipment and software
Beijing authority reporting said 96.8% of equipment for assembly, testing and packaging was self-developed and that the factory software was 100% self-developed. The same report mentioned more than 500 factory-related patents at launch. Xiaomi’s annual report separately counted more than 520 smart-manufacturing patents worldwide as of December 31, 2023. These figures have different scopes or counting dates and should not be combined into one total.
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Xiaomi also presents the factory as an experimental site for new processes, materials, equipment research and automated-production methods. Claims that the platform can “self-correct” should be understood as industrial process control: systems can use live data to detect and respond to process problems. That is not proof of unrestricted, human-level autonomy or an ability to repair every failure by itself.
How fast can it make phones?
The most defensible headline figures are an annual capacity of up to 10 million flagship phones and a reported peak daily output of about 30,000 phones. Those numbers are broadly consistent: 10 million units spread evenly over a year averages about 27,400 per day, while 30,000 per day would equal roughly 10.95 million per year.
| Rate reported | Equivalent 24-hour output | How to use it |
|---|---|---|
| One phone every three seconds | 28,800 phones per day | Launch-era figure reported by TrendForce; attribute it rather than treating it as a guaranteed sustained rate |
| One phone every six seconds | 14,400 phones per day | Later media-visit figure reported by Bernama; it may describe a particular line or demonstration |
| One phone every second | 86,400 phones per day, over 31 million per year | Not an established Changping specification and inconsistent with the commonly cited 10-million annual capacity unless it refers to another context |
Sources: Xiaomi, Beijing authority coverage, TrendForce, and Bernama.
Are there still humans involved?
Yes, almost certainly—and the available reporting gives a concrete reason not to interpret “unmanned” literally. TechSpot noted that promotional footage showed people in a “War Room” monitoring the factory’s industrial platform while the production floor was described as operating without workers.
A line can therefore be unmanned while the wider operation still depends on:
- Remote supervisors watching dashboards and alarms.
- Maintenance technicians replacing worn parts, clearing jams and servicing robots.
- Process engineers handling exceptions, tooling changes and product redesigns.
- Quality staff performing audits, sample validation and compliance work.
- Logistics personnel managing points where automated material flow connects with suppliers or carriers.
- Security and emergency personnel required for site safety and incident response.
That distinction—no routine operators on the floor versus no humans anywhere—is the key to evaluating the viral wording.
Source: TechSpot’s report.
Does 24/7 capability mean continuous full-capacity production?
No. “Can operate 24 hours a day” describes engineering capability or design intent. Actual utilization changes with demand, product changeovers, component availability, preventive maintenance, software updates, quality holds, equipment failures, energy constraints and launch schedules. Xiaomi’s 10-million figure is an annual capacity claim, not an independently audited promise that 10 million phones will be produced each year.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why companies pursue lights-out production
- Higher equipment utilization, including overnight operation.
- More consistent cycle times and repeatability on standardized tasks.
- Lower exposure to shortages of repetitive manual labor.
- Better digital traceability and faster data-driven quality checks.
- Less process variation when machines perform the same operation repeatedly.
Automation does not automatically produce lower total costs. A lights-out plant requires large capital expenditure, proprietary equipment and software, specialist engineers, cybersecurity, spare parts and recovery plans for expensive downtime.
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Limits, risks and failure modes
Integrated automation can fail in integrated ways. A robot breakdown, out-of-tolerance component, network outage or corrupted production record can stop several connected cells at once. A new phone design may require tooling and software changes that are difficult to automate quickly. Preventive maintenance still requires people to enter the line, and automated storage or transport can become the bottleneck even when assembly itself is fast.
Other trade-offs include cyberattack exposure, dependence on proprietary systems, reduced flexibility for low-volume or frequently changing products, maintenance bottlenecks and potential displacement of routine jobs. Employment also shifts toward software, controls, data, maintenance and process-engineering roles rather than disappearing altogether.
What the claim does—and does not—prove
Supported by the evidence
- Xiaomi built a real, highly automated smartphone factory in Changping.
- The company says key processes are 100% automated and industrial production is 100% digitalized.
- Its annual report describes lights-out production across several named processes.
- The facility is designed to support continuous operation without routine line operators.
Not established by the evidence
- That every activity at the site is automated.
- That no employee, technician, supervisor or emergency worker is ever present.
- That the plant operates at full capacity every hour of every day.
- That Xiaomi’s entire supply chain or all factories are human-free.
- That the factory permanently produces one phone per second.
- That its software can diagnose and repair every possible failure without human intervention.
The Bottom Line
Verdict: mostly true, but overstated. Xiaomi’s Changping Smart Factory is built for highly automated, lights-out smartphone production that can run continuously without routine workers on the line. The available evidence does not show a permanently people-free site, guaranteed full-capacity 24/7 operation or a human-free Xiaomi supply chain.
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