Xiaomi Black Shark GS3 Ultra - Full Phone Specifications

The Xiaomi Black Shark GS3 Ultra is a rugged smartwatch released in late 2025 under Xiaomi’s Black Shark sub‑brand — known for gaming gear and durable wearables. It’s designed for outdoor adventurers and active lifestyles, with a 1.43″ circular AMOLED display (466×466 px, ~1000 nits) protected by 9H Gorilla Glass and a reinforced metal case. The GS3 Ultra includes over 160 sports modes and automatic workout detection, tracks heart rate, SpO₂, stress, and sleep, and adds dual‑band GPS (L1 + L5) with multiple satellite systems (BeiDou, GLONASS, Galileo, NavIC) for accurate navigation. It also supports Bluetooth calling with environmental noise cancellation and offers a long‑lasting battery with up to ~18 days of typical use and up to ~45 days standby.

Launch	Announced	2025, November 21
	Status	Available. Released 2025, December
Features	Sensors	Accelerometer, gyro, compass, barometer, heart rate, SpO2
	Messaging	SMS(threaded view), Email, IM
	Games	No
	Java	No
Display	Type	AMOLED, 1000 nits
	Size	1.43 inches
	Resolution	466 x 466 pixels (~326 ppi density)
	Protection	Corning Gorilla Glass

NETWORK	Technology	No cellular connectivity
	2G bands	N/A
	3G bands	N/A
	4G bands	N/A
	GPRS	No
	EDGE	No
Body	Dimensions	-
	Weight	-
	Build	Glass front (Gorilla Glass), aluminum frame
	SIM	No
		IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
		MIL-STD-810H compliant
		Waterproof (5ATM)
Comms	WLAN	No
	Bluetooth	Yes
	Positioning	GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
	NFC	Unspecified
	Radio	No
	USB	No

CAMERA		No
Sound	Loudspeaker	Yes
	3.5mm jack	No
Memory	Card slot	No
	Phonebook	No
	Call records	Yes
Battery	Type
Misc	Colors	Black, Silver

Carrier Compatibility (USA / Global)

Smartwatches like the Xiaomi Black Shark GS3 Ultra do not connect directly to cellular voice/data networks on their own. They pair with your smartphone via Bluetooth to receive notifications, calls, and sync health/fitness data — no independent carrier subscription is required. There are no cellular radios (4G/5G/SIM support) built into this model, so carrier network compatibility (such as GSM/LTE/5G) isn’t applicable.

Final Summary

The Xiaomi Black Shark GS3 Ultra is a hardy, high‑end smartwatch with a bright 1.43″ AMOLED display, MIL‑STD‑810H/5 ATM/IP69K rugged durability, dual‑band GNSS, over 160 sports modes, comprehensive health tracking, Bluetooth calling, and exceptional battery life lasting up to ~18 days in regular use and ~45 days in standby. It pairs with phones via Bluetooth and doesn’t directly use carrier networks.