Apple Watch Ultra 3 (A3328)
From Wiki-IoT
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
| Apple Watch Ultra 3 (A3328) | ||
|---|---|---|
|
Security Grade
Calculator v
|
Apple Watch Ultra 3 (A3328)
Category: Smartwatch • Model / Gen: 3 A3328 Release Date: 2025-09-19 • Status: In sale Classification Date: • Official Website | |
Contents
Security Evaluation
1. Device Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Known hardware tampering | Rare | 🔗 Proof | Enclosed titanium case and Secure Enclave; hardware attacks rare |
| Known vulnerabilities | Rare | 🔗 Proof | watchOS CVEs regularly reported and patched |
| Prior attacks | None | 🔗 Proof | No documented real-world attacks |
| Updatability | Very common | 🔗 Proof | Regular long-term watchOS updates |
| Category Score | Score: 2 / 3 | ||
2. System Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Authentication with other systems | Full | 🔗 Proof | Paired with iPhone via Apple ID |
| Communications | Encrypted with up-to-date encryption | 🔗 Proof | TLS; encrypted sync with iPhone and Apple servers |
| Storage | Encrypted with up-to-date encryption | 🔗 Proof | Hardware encryption via Secure Enclave |
| Category Score | Score: 1 / 3 | ||
3. User Authentication
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Account management | Full | 🔗 Proof | Apple ID with Activation Lock |
| Authentication | Secure | 🔗 Proof | Passcode with wrist detection auto-lock |
| Brute-force protection | Exist | 🔗 Proof | Data erase after repeated failed passcode attempts |
| Event logging | Partial logging | 🔗 Proof | Limited user-visible security logging |
| Passwords | Require change after setup | 🔗 Proof | Passcode required at setup; optional complex passcode; no forced change |
| Category Score | Score: 2 / 3 | ||
Technical Specifications
| Property | Details |
|---|---|
| Operating System & App | watchOS 26 (Companion App: Apple Watch app (iPhone)) |
| Hardware (CPU / GPU) | CPU: Apple S10 SiP, 64-bit dual-core • GPU: Integrated (4-core Neural Engine) |
| Memory & Storage | Memory: 64 GB flash storage • Storage: 64 GB |
| Power, Battery & Charging | Battery: Up to 42 h (72 h in Low Power Mode) • Power: 120V / 230V AC • Charging: USB-C magnetic fast charging |
| Display & Camera | Display: 1.92-inch LTPO3 OLED Always-On Retina, 3000 nits, sapphire crystal • Camera: 1080p camera |
| Sound & Connectivity | Sound: Speaker, microphone, 86 dB siren • Connectivity: 5G cellular (model dependent), Wi-Fi 4, Bluetooth 5.3, UWB, dual-frequency GNSS, satellite messaging |
| Physical (Dimensions & Mass) | Dimensions: 49 × 44 × 12 mm (titanium case) • Mass: ~61 g (without band) |
