Xiaomi Mix Fold 4

Xiaomi MIX Fold 4
	Xiaomi MIX Fold 4, unfolded
Manufacturer	Xiaomi
Type	Foldable smartphone
Series	MIX
Family	Xiaomi
First released	2024, July 19
Availability by region	2024, July 19 ; China
Predecessor	Xiaomi MIX Fold 3
Related	Xiaomi MIX Flip
Compatible networks	GSM / CDMA / HSPA / EVDO / LTE / 5G
Form factor	Foldable
Colors	Black, White, Blue
Dimensions	Unfolded: 159.4 x 143.3 x 4.6 mm; Folded: 159.4 x 73.1 x 9.5 mm
Weight	226 g or 228 g (7.97 oz)
Operating system	Original: Android 14, Xiaomi HyperOS ; Current: Android 15, Xiaomi HyperOS 2
System-on-chip	Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPU	Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU	Adreno 750
Memory	12 GB / 16 GB
Storage	256 GB, 512 GB, 1 TB (UFS 4.0)
Removable storage	None
SIM	Nano-SIM + Nano-SIM
Battery	Li-Po 5100 mAh, non-removable
Charging	67W wired, PD3.0, QC4, 31% in 10 min; 50W wireless, 24% in 10 min
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;
Display	Foldable 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 display	LTPO 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
Sound	Stereo speakers, 24-bit/192kHz Hi-Res & Hi-Res Wireless audio, Snapdragon Sound
Connectivity	Wi-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
Water resistance	IPX8 (immersible up to 1.5m for 30 min)
Model	24072PX77C
Codename	goku
Made in	China
Other	Two-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.

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

It has four cameras. It supports both wired and wireless charging.