HUAWEI Watch GT 4

Security Grade

Calculator v1

HUAWEI Watch GT 4

   Brand: HUAWEI (Parent: Huawei Technologies Co., Ltd.)

   Category: Smartwatch • Model / Gen: Watch GT Series, 4th Generation GT 4 (46mm and 41mm)

   Release Date: 2023-09-14 • Status: In sale

   Classification Date: 2024-10-30 • Official Website

Security Evaluation

Criterion	Value	Proof	Comment
Known hardware tampering	Rare	🔗 Proof	The device’s compact, sealed design significantly reduces the risk of hardware tampering.
Known vulnerabilities	Rare	(search “Huawei Watch GT series”) 🔗 Proof	Few known vulnerabilities; HUAWEI regularly updates the device’s firmware to mitigate risks.
Prior attacks	None	(check for any recorded vulnerabilities related to the device) 🔗 Proof	No significant documented attacks have targeted the Watch GT 4 model specifically.
Updatability	Very common	🔗 Proof	The Watch GT 4 receives firmware updates to improve functionality, security, and user experience.
Category Score	Score: 2 / 3

Criterion	Value	Proof	Comment
Authentication with other systems	Partial	🔗 Proof	The Watch GT 4 can sync with the HUAWEI Health app and supports basic integration with third-party fitness platforms.
Communications	Encrypted with up-to-date encryption	🔗 Proof	Bluetooth connections and data syncing use encrypted protocols, ensuring data safety during transmission.
Storage	Encrypted with up-to-date encryption	🔗 Proof	Local data on the watch is encrypted, protecting sensitive health and usage information. User Authentication
Category Score	Score: 2 / 3

Criterion	Value	Proof	Comment
Account management	Basic	🔗 Proof	Managed via the HUAWEI Health app, allowing for data sync and account management with a HUAWEI ID.
Authentication	Basic	🔗 Proof	The watch offers basic PIN protection; it does not support advanced authentication options like biometric security.
Brute-force protection	Basic	🔗 Proof	Basic brute-force protection exists; the device locks temporarily after multiple failed PIN attempts.
Event logging	Access event logged	🔗 Proof	The HUAWEI Health app logs device interactions and sync history, which can be reviewed within the app.
Passwords	Require change after setup with complexity requirements	🔗 Proof	Users are prompted to set up a secure PIN during initial setup, though it has limited complexity requirements.
Category Score	Score: 2 / 3

Property	Details
Operating System & App	HarmonyOS 3.0 (Companion App: HUAWEI Health)
Hardware (CPU / GPU)	CPU: Proprietary ARM-based chipset • GPU: N/A
Memory & Storage	Memory: 32 MB RAM • Storage: 4 GB internal storage
Power, Battery & Charging	Battery: 46mm model: up to 14 days; 41mm model: up to 7 days • Power: Supports wireless charging • Charging: Magnetic charging base
Display & Camera	Display: 46mm: 1.43 inches, AMOLED, 466 x 466 pixels; 41mm: 1.32 inches, AMOLED, 466 x 466 pixels • Camera: N/A
Sound & Connectivity	Sound: Built-in speaker and microphone • Connectivity: Bluetooth 5.2, GPS, NFC
Physical (Dimensions & Mass)	Dimensions: 46mm: 46 x 46 x 10.9 mm; 41mm: 41 x 41 x 10.2 mm • Mass: 46mm: 48 g; 41mm: 37 g (without strap)