Xiaomi Watch S2
From Wiki-IoT
Classification
| Xiaomi Watch S2 | |
|---|---|
| Classification | |
| Grade | B |
| Calculator version | 1 |
| Classification date | 2025-10-10 |
| Information | |
| Name | Xiaomi Watch S2 |
| Brand by Parent | Xiaomi by Xiaomi Corporation |
| Generation | Second Generation (S Series) |
| Model(s) | M2225W1, M2226W1 |
| Release date | 2022-12-11 |
| Type/Category | Smartwatch |
| Website | [1] |
| Status | End of sale |
| More | |
| Dimensions | 42mm: 42.3 x 42.3 x 11.4 mm; 46mm: 46.5 x 46.5 x 11.4 mm |
| Mass | 42mm: ~37g (without strap); 46mm: ~52g (without strap) |
| Operating system | Proprietary RTOS (Managed by Xiaomi HyperOS ecosystem) |
| Companion App | Xiaomi Wear (Previously Mi Fitness) |
| CPU | BES2500BP |
| GPU | Integrated |
| Memory | 2GB RAM (approx.) |
| Storage | 32GB ROM (approx.) |
| Battery | 42mm: 305 mAh; 46mm: 500 mAh |
| Power | Magnetic charging puck |
| Charging | Wired magnetic charging, typical full charge in about 2 hours |
| Display | 1.32-inch (42mm) / 1.43-inch (46mm), AMOLED, 466 x 466 resolution, Always-On Display support |
| Camera | No |
| Sound | Built-in microphone and speaker |
| Connectivity | Bluetooth 5.2, NFC (region dependent) |
| Device | |||
|---|---|---|---|
| Criterion | Value | Proof(s) | Comment |
| Known hardware tampering | None | [] | |
| Known vulnerabilities | Rare | [General wearable security advisories] | Potential vulnerabilities typically related to Bluetooth pairing or companion app. |
| Prior attacks | None | [] | |
| Updatability | Very common | [Firmware updates via Xiaomi Wear app] | Receives firmware updates for features and security through the companion app. |
| Category score | 2 | ||
| System | |||
|---|---|---|---|
| Criterion | Value | Proof(s) | Comment |
| Authentication with other systems | Partial | [Xiaomi Wear app functionality] | Pairs with smartphone via Bluetooth for data sync and notifications |
| Communications | Encrypted with up-to-date encryption | [Uses standard Bluetooth encryption protocols] | |
| Storage | No encryption | [Nature of wearable device data storage] | Typically stores limited, non-sensitive data locally; sensitive data stored on paired phone. |
| Category score | 2 | ||
| User Authentication | |||
|---|---|---|---|
| Criterion | Value | Proof(s) | Comment |
| Account management | Basic | [Xiaomi account integration via app] | |
| Authentication | Basic | [Product manual] | Unlocks when paired/connected to phone. May offer simple screen lock pattern. |
| Brute-force protection | Basic | [Limited by simple interface] | Lacks sophisticated lockout mechanisms due to limited input methods. |
| Event logging | Access event logged | [Device interface and app] | No user-accessible event logging for authentication attempts on the watch itself. |
| Passwords | Default/Common/Easy to guess | [] | |
| Category score | 2 | ||
| Grade | B |
|---|
