Xiaomi Watch S4 (M2312W1)
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| Xiaomi Watch S4 (M2312W1) | ||
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Security Grade
Calculator v1
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Xiaomi Watch S4
Brand: Xiaomi (Parent: Xiaomi Corporation) Category: Smart watch • Model / Gen: Watch S4 series M2312W1 Release Date: 2025-07-10 • Status: In sale Classification Date: 2026-10-28 • Official Website | |
Contents
Security Evaluation
1. Device Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Known hardware tampering | Rare | 🔗 Proof | Hardware disassembly possible, tampering cases rare |
| Known vulnerabilities | Rare | 🔗 Proof | Vulnerabilities patched via HyperOS OTA |
| Prior attacks | Rare | 🔗 Proof | Few targeted attacks reported |
| Updatability | Very common | 🔗 Proof | Regular HyperOS security updates |
| Category Score | Score: 2 / 3 | ||
2. System Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Authentication with other systems | Full | 🔗 Proof | Full authentication with Xiaomi account & ecosystem |
| Communications | Encrypted with up-to-date encryption | 🔗 Proof | TLS1.3 and Bluetooth secure encryption |
| Storage | Encrypted with up-to-date encryption | 🔗 Proof | AES-256 local data encryption |
| Category Score | Score: 1 / 3 | ||
3. User Authentication
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Account management | Full | 🔗 Proof | Complete Xiaomi ID account management |
| Authentication | Secure | 🔗 Proof | Screen lock, fingerprint, NFC verification |
| Brute-force protection | Exist | 🔗 Proof | Lockout after repeated wrong password |
| Event logging | Access event logged | 🔗 Proof | Login and device connection events logged |
| Passwords | Require change after setup with complexity requirements | 🔗 Proof | Password complexity rules enforced |
| Category Score | Score: 1 / 3 | ||
Technical Specifications
| Property | Details |
|---|---|
| Operating System & App | HyperOS (Companion App: Xiaomi Health) |
| Hardware (CPU / GPU) | CPU: Low-power 4-core MCU • GPU: None |
| Memory & Storage | Memory: 2 GB RAM • Storage: 32 GB Flash |
| Power, Battery & Charging | Battery: 500 mAh • Power: 3.85 V • Charging: Magnetic 5W charging |
| Display & Camera | Display: 1.43-inch AMOLED, 466 × 466 • Camera: None |
| Sound & Connectivity | Sound: Single speaker + vibration motor • Connectivity: Bluetooth 5.4, Wi‑Fi, GNSS, NFC |
| Physical (Dimensions & Mass) | Dimensions: 46.5 mm × 46.5 mm × 10.8 mm • Mass: 42 g |
Xiaomi smart watch running HyperOS, supports secure connection and regular security patches.
