HUAWEI Watch Ultimate

Security Grade

Calculator v1

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

   Category: Smartwatch • Model / Gen: Watch Ultimate Series, 1st Generation Watch Ultimate

   Release Date: 2023-03-23 • Status: In sale

   Classification Date: 2024-10-31 • Official Website

Security Evaluation

Criterion	Value	Proof	Comment
Known hardware tampering	Rare	🔗 Proof	The rugged design and sealed case make hardware tampering difficult without specialized tools.
Known vulnerabilities	Rare	🔗 Proof	Huawei regularly addresses and patches vulnerabilities to keep the device secure.
Prior attacks	None	🔗 Proof	No significant attacks specifically targeting the Watch Ultimate have been recorded.
Updatability	Very common	🔗 Proof	Receives firmware updates to improve functionality and security, managed via the HUAWEI Health app.
Category Score	Score: 2 / 3

Criterion	Value	Proof	Comment
Authentication with other systems	Partial	🔗 Proof	Compatible with HUAWEI Health and certain third-party fitness and health apps but limited for non-Huawei ecosystems.
Communications	Encrypted with up-to-date encryption	🔗 Proof	Bluetooth communication and data syncing are encrypted to ensure data security.
Storage	Encrypted with up-to-date encryption	🔗 Proof	Data stored on the device, such as health metrics, is encrypted to protect user privacy. User Authentication
Category Score	Score: 2 / 3

Criterion	Value	Proof	Comment
Account management	Full	🔗 Proof	Managed through HUAWEI ID, allowing for secure access and cloud backup of health and fitness data.
Authentication	Basic	🔗 Proof	Device-level PIN setup for basic security, but lacks advanced authentication like biometric security.
Brute-force protection	Basic	🔗 Proof	Basic brute-force protection is provided by locking the device after several failed PIN attempts.
Event logging	Access event logged	🔗 Proof	The HUAWEI Health app logs sync events and firmware updates, viewable within the app.
Passwords	Require change after setup with complexity requirements	🔗 Proof	Users are prompted to set a secure PIN during initial setup to ensure device protection.
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: 530 mAh, lasts up to 14 days under typical usage • Power: Supports wireless charging • Charging: Magnetic wireless charger
Display & Camera	Display: 1.5 inches, AMOLED, 466 x 466 pixels, sapphire crystal glass • Camera: N/A
Sound & Connectivity	Sound: Built-in speaker and microphone • Connectivity: Bluetooth 5.2, GPS (dual-frequency GNSS), NFC
Physical (Dimensions & Mass)	Dimensions: 48.5 x 48.5 x 13 mm • Mass: 76 g