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Lei Jun Annual Speech: Xiaomi Unveils Xiaomi MIX Fold 3, CyberDog 2, and Latest Innovations


Xiaomi today held its Lei Jun Annual Speech | Xiaomi Launch 2023 at the China National Convention Center, where the company launched a host of new products, from smartphones to ecosystem products and even innovative robotics. Specifically, these included Xiaomi MIX Fold 3, Xiaomi Pad 6 Max 14", Xiaomi Smart Band 8 Pro, Redmi K60 Ultra and CyberDog 2. Lei Jun, Founder, Chairman, and CEO of Xiaomi Group, also gave his annual speech, sharing key experiences and insight over the past 36 years. At the same time, he announced Xiaomi’s core philosophy for the future.
Announcement of Xiaomi’s core philosophy: Investment in technologies to benefit humanity
Facing a new round of immense industrial and technological change, and with eyes on the future, Xiaomi officially announced an upgrade to its technology strategy, proclaiming its core philosophy: to continuously invest in technologies that will benefit humanity.
“We focus on long-term value and adhere to long-term investment. Only in this way can we build core competitiveness and a rampart around us, and truly become a great technology company.” Lei Jun, Founder, Chairman, and CEO of Xiaomi Group, said that Xiaomi’s exploration into technology not only has to be of benefit to the lives of mankind today, but also needs to contribute to the creation, progress, and development of the future of humanity.
Xiaomi has disclosed four key paths and principles for its strategic upgrade, namely deep cultivation of underlying technology, continuous and long-term investment, and the deep integration of hardware and software, empowered by AI.
The proposed upgrade to Xiaomi’s strategy further clarifies the company’s steadfast adherence to being “technology-oriented” and its core direction of being firmly invested in the future.
The series of breakthroughs that Xiaomi has enjoyed in self-developed technologies could not have been achieved without its continuous investment in research and development over the years. It is reported that its compound annual growth rate of R&D investment during the past six years (2017-2022) has reached 38.4%¹. Moreover, it is expected that Xiaomi’s total R&D investment for 2023 will exceed RMB 20 billion¹, and R&D investment during the next five years (2022-2026) will exceed RMB 100 billion².
Xiaomi MIX Fold 3 comes as the company‘s latest innovation in foldable flagship smartphones, continuing the slim and lightweight design of the previous generation, while also offering all-round powerful product experience in imaging capabilities, performance, and reliability. It sets all-new standards for foldables, and consolidates Xiaomi’s leading position in the premium foldable smartphone market.
Slim, lightweight, and highly durable: Xiaomi proprietary hinge sets new records in the reliability of foldable smartphones
To preserve our commitment to redefine boundaries, Xiaomi MIX Fold 3 remains steadfast in its pursuit of slim and lightweight elegance, measuring just 255g³, 10.86mm³ thick when folded, and opening to the ultimate slimness of just 5.26mm³. This can mainly be attributed to its Xiaomi proprietary hinge, which compared to the Micro Waterdrop hinge in the previous generation is 8.6% slimmer⁴ when folded and 12.5% slimmer⁴ unfolded. The hinge is also 8% narrower⁴ and takes up 17% less space⁴. All of this contributes to make the entire smartphone slimmer and lighter, and leave more stacking space within the confined area of the smartphone body to create a slim and lightweight device that is highly versatile.
Applying the Xiaomi proprietary hinge to Xiaomi MIX Fold 3 has greatly enhanced the reliability of the entire device: it adopts a 3-element connecting rod structure, and has up to 14 micro-hinges, significantly improving the degree of freedom of the hinge and perfectly enabling the curvature of the display. It effectively addresses any change in shape of the display, and reduces the risk of damage to the display if dropped. The main structure of the hinge is made of ultra-high strength steel, which has a yield strength of up to 1800MPa. This, in combination with the ultra-durable carbon ceramic steel rotating mechanism, contributes to further enhance the reliability of the hinge.
Both displays on Xiaomi MIX Fold 3 come with comprehensive protection: the inner display utilizes UTG (Ultra Thin Glass), which is 2.25 times⁴ stronger than traditional colorless polyimide (CPI). The outer display consists of Corning® Gorilla® Glass Victus® 2 to achieve a 50% improvement in drop resistance compared to the previous generation⁴.
Besides, Xiaomi MIX Fold 3 also offers a special edition, implementing Xiaomi composite fiber. This Xiaomi self-developed composite fiber integrates high-strength aramid and ceramic fibers, greatly enhancing drop resistance.
With this stellar combination of innovations in both materials and structure, Xiaomi MIX Fold 3 demonstrates excellent reliability overall. It has successfully achieved the TÜV Rheinland Extreme Folding certification for up to 500,000 folds⁵.
Slim and lightweight with exceptional imaging capabilities: Quad camera system with Leica optical lens to reach new heights in photography among lightweight and slim foldables
Besides being slim and lightweight, strong camera performance is also key. Thanks to increased stacking space with the new hinge design, and the miniature optical system co-engineered with Leica, Xiaomi MIX Fold 3 has successfully contained its quad camera system with Leica optical lens in an extremely light and slim body. It covers focal lengths ranging from 15mm (ultra-wide)⁶, 23mm (main)⁶, 46mm (main)⁶ and 75mm (telephoto)⁶ to 115mm (periscope)⁶ to achieve a full focus range of 0.6x to 5x, setting new benchmarks in photography among slim and lightweight foldables.
Xiaomi MIX Fold 3’s combination of four cameras and five focal lengths comprehensively enhances imaging performance. Of these, the 23mm ƒ/1.77 wide aperture main camera introduces an ultra-low color dispersion glass lens to the quad camera system with Leica optics for the first time, effectively eliminating color discrepancies and providing more precise, clearer images to offer professional, unparalleled image quality; the 15mm ultra-wide offers an ultra-wide field of view up to 120°; the 75mm telephoto and 115mm periscope each excel in their respective fields, greatly improving users’ freedom of composition; and the 115mm periscope also realizes 30cm super-macro shooting in a very small space, making Xiaomi MIX Fold 3’s camera suitable for even more scenarios.
Following Xiaomi’s previous smartphones with flagship imaging capabilities, Xiaomi MIX Fold 3 adheres to the pursuit of natural color science and classic tones depicting a Leica style, rather than overly sharpened images or those that are over-processed so that they lack light and shadow texture. The Leica two photographic styles offer more creative choice, and in Pro mode, Leica custom photographic styles are also offered, enabling professional users to take photos that reflect their own personal style.
Thanks to its large inner display and all-new hovering capabilities, Xiaomi MIX Fold 3 also features a series of unique features, adding to photography efficiency and entertainment. These include the ability to shoot and view simultaneously, when taking photos from the inner display. That is, the finished image can be displayed in real-time on the left half of the display, without needing to click into the photo album to view. Xiaomi MIX Fold 3 also offers rear camera selfies, making use of the outer screen for real-time preview when the smartphone is unfolded to fully leverage the excellent quality of the main camera with Leica optics, thereby enjoying even higher quality selfies than those taken on the front camera. This foldable smartphone also supports waist-level photography in hover mode for easy low angle shooting, and the newly added front facing camera on the inner screen can be used for both selfies and video conferencing.
Slim and lightweight with a long-range battery: Xiaomi Surge battery and large, low-power display to bid farewell to battery anxiety
In response to battery life challenges with foldable smartphones, Xiaomi has relied on technological innovation to find a solution with Xiaomi MIX Fold 3. Xiaomi MIX Fold 3 is equipped with a dual Xiaomi Surge battery structure and a new-generation of silicon-carbon negative electrode technology combined with multiple optimizations, achieving an additional 10% increase⁴ in capacity within the same size, and a total capacity of 4,800mAh⁷.
Its Xiaomi Surge battery management system consists of a dual Xiaomi G1 Surge battery management chipset, fully enhancing battery use efficiency. Equipped with the Xiaomi Surge P2 charging chip, it supports 67W wired turbo charging, and can charge up to 100% in as little as 40 minutes⁷. It also offers 50W wireless turbo charging, rarely seen in slim and lightweight foldable smartphones. With the Xiaomi Surge battery management system, Xiaomi MIX Fold 3 can achieve more intelligent charging and discharging control, ensuring the health and safety of the battery.
Xiaomi MIX Fold 3’s 6.56“ outer display and 8.025” inner display are both made of the latest E6 material, which offers optimized power efficiency control. The inner display utilizes advanced Pol-less Plus display technology, combined with a low-power Panel design and a newly upgraded Display Driver IC (DDIC), to achieve excellent power control and a 52% increase⁴ in battery life on the large display. According to data from Xiaomi Internal Labs, Xiaomi MIX Fold 3 offers a DOU of up to 1.34 days⁷, whether using the inner or outer display. Not only is this a significant breakthrough for Xiaomi in foldable smartphone battery life, but it also alleviates battery anxiety for smartphone users.
Slim, lightweight, and a true flagship: Comprehensive hardware upgrades merge with impeccable details
Xiaomi MIX Fold 3 is equipped with Qualcomm’s latest flagship Snapdragon® 8 Gen 2 Leading Version chipset, which further improves performance compared to Snapdragon® 8 Gen 2. To ensure maximum performance, Xiaomi MIX Fold 3 also utilizes a carefully designed cooling system, which has a total area of 10,943mm². Contained in the smartphone’s slim and lightweight body is an ultra-thin stainless-steel VC to further enhance heat dissipation capacity.
Meanwhile, its MIUI Fold operating system has been significantly optimized for large display use, offering innovative fun features with the folding display, including video conferencing and viewing in Hover mode, as well as floating windows and split screen, further meeting users’ increasing needs for large displays.
Furthermore, multiple details have also been optimized in Xiaomi MIX Fold 3, such as a 3-microphone array, symmetrical dual speakers, and a brushed metal frame to provide users with an all-round flagship experience.
Xiaomi MIX Fold 3 sets new benchmarks in the industry in all aspects, providing users with a flagship foldable smartphone experience that exceeds expectations. All in all, the launch of this smartphone takes Xiaomi’s technological innovation in foldable smartphones to greater heights.
Pricing and availability
Xiaomi MIX Fold 3 will be available in three colors in the China domestic market: Gold, Black, and Xiaomi composite fiber, as well as three storage variants:
12GB+256GB - Priced from RMB 8,999
16GB+512GB - Priced from RMB 9,999
16GB+1TB - Priced from RMB 10,999
Also launched alongside Xiaomi MIX Fold 3 is Xiaomi Smart Band 8 Pro, which will be available for sale starting from RMB 399 via Xiaomi’s official channels.
Xiaomi launches CyberDog 2
Also unveiled at the event was the bio-inspired quadruped robot, CyberDog 2, which comes as even more intelligent and lifelike. Weighing just 8.9kg, approximately the size of a Doberman, it is also smaller in size than the previous generation. CyberDog 2 is equipped with Xiaomi’s self-developed CyberGear Micro-actuator, which further enhances the robot’s mobility and supports high difficulty maneuvers, such as continuous back flip, and fall recovery. It comes with more precise control and will remain intact, even if continuously touched. Besides, CyberDog 2 is equipped with a fusion sensing and decision-making system, offering 19 sensors for vision, touch and hearing.
In addition, CyberDog 2 has been made as open-source as possible, from coding to structural drawings, as well as providing graphical programming and the modular processing of various sensing capabilities. With its continuous open-source ecosystem, the CyberDog family will attract more developers to take part, while continuously promoting the progress and enhancement of bio-inspired robots to truly benefit people’s lives in the future.
Product images are available here: Xiaomi MIX Fold 3 and CyberDog 2.
Xiaomi MIX Fold 3 Quick Specs
Xiaomi MIX Fold 3

  • Xiaomi composite fiber variant

Thickness: 10.86mm folded and 5.26mm unfolded⁸
Weight: 255g⁸
Color: Black
5-layer composite fiber back cover

  • Glass variant

Thickness: 10.96mm folded and 5.26mm unfolded⁸
Weight: 259g⁸
Colors: Black, Gold

  • Xiaomi proprietary hinge

Multi-level hinge design
TÜV Rheinland Extreme Folding up to 500,000 folds⁵
Outer display

  • 6.56" AMOLED display

Samsung E6 material
2600 nits peak brightness
DCI-P3 Color gamut
Dolby Vision®, HDR10+ support
120Hz refresh rate, 240Hz touch sampling rate
Corning® Gorilla® Glass Victus® 2
Inner display

  • 8.025" Eco² OLED Plus™ display

Samsung E6 material
120Hz LTPO
Pol-less Plus display technology
DCI-P3 Color gamut
Dolby Vision®, HDR10+ support

  • Flexible Ultra Thin Glass


  • 50MP wide camera

23mm equivalent focal length⁶
2.0 μm 4-in-1 Super Pixel
f/1.77, 1G+6P lens, SMA actuators for OIS

  • 12MP ultra-wide camera

15mm equivalent focal length⁶, 120° FOV, f/2.2, 5P lens

  • 10MP telephoto camera

75mm equivalent focal length⁶, f/2.0

  • 10MP periscope camera

115mm equivalent focal length⁶, f/2.92

  • 20MP front camera


  • Snapdragon® 8 Gen 2 Leading Version

4nm power-efficient manufacturing process, up to 3.36GHz

  • LPDDR5X + UFS 4.0 storage

Battery & Charging

  • 4800mAh battery
  • 67W wired turbo charging
  • 50W wireless turbo charging


  • Dual speakers
  • Dolby Atmos®


  • Multifunctional NFC

Operating System

  • MIUI Fold 14 based on Android 13

1 Data retrieved from Xiaomi Corporation Q1 2023 Results Announcement. As of March 31, 2023.
² Data retrieved from Xiaomi Corporation Annual Results Announcement for the Year Ended December 31, 2022.
³ Measurements only apply to the Xiaomi composite fiber variant. Actual measurements between individual products may vary. All specifications are subject to the actual product.
⁴ Data obtained from Xiaomi Internal Labs. Actual results may vary.
⁵ Certified by TÜV Rheinland through testing conducted under laboratory conditions. Actual results may vary with differences in testing environments.
⁶ The focal length of each lens is the equivalent focal length in default mode, and may differ from the physical equivalent focal length. Please refer to the actual situation.
⁷ Data from Xiaomi Internal Labs. Actual battery life may vary depending on network environment, usage patterns and other factors. The maximum capacity of the battery will naturally decrease with time and usage.
⁸ Actual measurements between individual products may vary. All specifications are subject to the actual product.
About Xiaomi Corporation
Xiaomi Corporation was founded in April 2010 and listed on the Main Board of the Hong Kong Stock Exchange on July 9, 2018 (1810.HK). Xiaomi is a consumer electronics and smart manufacturing company with smartphones and smart hardware connected by an IoT platform at its core.
Embracing our vision of “Make friends with users and be the coolest company in the users’ hearts”, Xiaomi continuously pursues innovations, high-quality user experience and operational efficiency. The company relentlessly builds amazing products with honest prices to let everyone in the world enjoy a better life through innovative technology.
Xiaomi is one of the world’s leading smartphone companies. According to Canalys, the company’s market share in terms of smartphone shipments ranked No.3 globally in the first quarter of 2023. The company has also established the world’s leading consumer AIoT (AI+IoT) platform, with 618 million smart devices connected to its platform as of March 31, 2023, excluding smartphones, tablets and laptops. Xiaomi products are present in more than 100 countries and regions around the world. In August 2022, the company made the Fortune Global 500 list for the fourth time, ranking #266, up 72 places compared to 2021.
Xiaomi is a constituent of the Hang Seng Index, Hang Seng China Enterprises Index, Hang Seng TECH Index and Hang Seng China 50 Index.
For more information about Xiaomi as a company, please visit   

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