Engineering:Xiaomi Mix Fold 4

From HandWiki
Short description: Foldable Android smartphone by Xiaomi
Xiaomi MIX Fold 4
Xiaomi MIX Fold 4
Xiaomi MIX Fold 4, unfolded
Codenamegoku
ManufacturerXiaomi
SeriesMIX
Model24072PX77C
Compatible networksGSM / CDMA / HSPA / EVDO / LTE / 5G
First released2024, July 19
Availability by region2024, July 19
 China
PredecessorXiaomi MIX Fold 3
RelatedXiaomi MIX Flip
TypeFoldable smartphone
Form factorFold
DimensionsUnfolded: 159.4 x 143.3 x 4.6 mm
Folded: 159.4 x 73.1 x 9.5 mm
Mass226 g or 228 g (7.97 oz)
Operating systemOriginal: Android 14, Xiaomi HyperOS
Current: Android 15, Xiaomi HyperOS 2
System on chipQualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPUOcta-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPUAdreno 750
Memory12 GB / 16 GB
Storage256 GB, 512 GB, 1 TB (UFS 4.0)
Removable storageNo
BatteryLi-Po 5100 mAh, non-removable
Charging67W wired, PD3.0, QC4, 31% in 10 min
50W wireless, 24% in 10 min
DisplayFoldable LTPO AMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 1700 nits (HBM), 3000 nits (peak), 7.98 inches (~89.4% screen-to-body ratio), 2224 x 2488 pixels (~418 ppi)
External displayLTPO AMOLED, 68B colors, 120Hz, HDR10+, Dolby Vision, 1700 nits (HBM), 3000 nits (peak), 6.56 inches, 1080 x 2520 pixels, 21:9 ratio
Scratch/drop-resistant glass
Rear camera
  • 50 MP, f/1.7, 23mm (wide), 1/1.49", 1.0µm, PDAF, OIS
  • 50 MP, f/2.0, 47mm (telephoto), PDAF, OIS, 2x optical zoom
  • 10 MP, f/2.9, 115mm (periscope telephoto), PDAF, OIS, 5x optical zoom
  • 12 MP, f/2.2, 15mm, 120˚ (ultrawide)
  • Laser AF, color spectrum sensor, LED flash, HDR, panorama, Leica lenses
  • 8K@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, Dolby Vision HDR
Front camera
  • 16 MP, (wide)
  • Cover camera: 16 MP, (wide)
  • Dolby Vision HDR
  • 1080p@30/60fps
SoundStereo speakers, 24-bit/192kHz Hi-Res & Hi-Res Wireless audio, Snapdragon Sound
ConnectivityWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band (tri-band after SW update), Wi-Fi Direct, Bluetooth 5.4, A2DP, LE, aptX HD, aptX Adaptive, LHDC, NFC, Infrared port, USB Type-C 3.2, OTG
OtherTwo-way satellite communication (calls, messages)

Xiaomi MIX Fold 4 is an Android-based foldable smartphone manufactured by Xiaomi. It was released in 2024 and sold exclusively in China.[1][2]

When released, it was one of the thinnest commercially available book-style foldable phones, at 9.47mm when closed[3] and 4.6mm when opened.[4] According to Xiaomi, the thinness was achieved with an "all-carbon architecture",[3] including a hinge made with carbon fiber.[5]

It has four cameras.[3] It supports both wired and wireless charging.[6]

Reception

Reception of the Mix Fold 4 was negatively impacted by problems with software and user experience.[7] Tom's Guide called the phone solid and praised its display and battery life but said its camera was disappointing.[8] According to a 2025 report, Xiaomi was planning to release a new model in 2026 that would address some of the flaws of the Mix Fold 4.[7]

A review in the South China Morning Post praised the model's thinness, sleekness, and lightness. It also spoke positively about the display, performance, and cameras, but stated that these features were not innovations compared to existing foldable phones.[5]

  • Folded, front
    Folded, front
  • Folded, back
    Folded, back

See also

References

  1. ↑ Yılmaz, Erencan (2024-07-03). "Exclusive: Xiaomi MIX FOLD 4 won't be launched internationally" (in en-US). https://www.gizmochina.com/2024/07/03/exclusive-xiaomi-mix-fold-4-wont-be-launched-internationally/. 
  2. ↑ bio, See full. "Xiaomi Mix Flip and Mix Fold 4: What We Know About Xiaomi's Foldables" (in en). https://www.cnet.com/tech/mobile/xiaomi-mix-flip-and-mix-fold-4-what-we-know-about-xiaomis-foldable-phones/. 
  3. ↑ 3.0 3.1 3.2 Dayaram, Sareena. "Xiaomi Mix Flip and Mix Fold 4: What We Know About Xiaomi's Foldables" (in en). CNET. https://www.cnet.com/tech/mobile/xiaomi-mix-flip-and-mix-fold-4-what-we-know-about-xiaomis-foldable-phones/. 
  4. ↑ "Gadget stories you read most in 2024, about the iPhone 16 Pro Max and more" (in en). South China Morning Post. 25 December 2024. https://www.scmp.com/lifestyle/gadgets/article/3291300/gadget-stories-you-read-most-2024-about-iphone-16-ear-surgery-device-and-more. 
  5. ↑ 5.0 5.1 "Review | Xiaomi Mix Fold 4, the world's thinnest foldable phone" (in en). South China Morning Post. 8 August 2024. https://www.scmp.com/lifestyle/gadgets/article/3273406/xiaomi-mix-fold-4-review-price-specs-new-thinnest-foldable-phone-still-packs-punch. 
  6. ↑ "双长焦双微距，小米 MIX Fold 4 折叠屏手机细节公开：厚 9.47mm、重 226g - IT之家". www.ithome.com. https://www.ithome.com/0/782/097.htm. 
  7. ↑ 7.0 7.1 Soumyakanti. "Xiaomi might bring back its big foldable next year". www.msn.com. https://www.msn.com/en-ie/lifestyle/shopping/xiaomi-might-bring-back-its-big-foldable-next-year/ar-AA1JdWaO. 
  8. ↑ Pritchard, Tom (16 October 2024). "Xiaomi Mix Fold 4 review: Nice looks if you can get it" (in en). Tom's Guide. https://www.tomsguide.com/phones/xiaomi-mix-fold-4-review. 



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