| Redmi Watch 15 (25046RN17G)
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Security Grade
Calculator v
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Redmi Watch 15
Category: smart watch • Model / Gen: Watch 15 Series 25046RN17G
Release Date: 2026-10-03 • Status: In sale
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Security Evaluation
1. Device Security
| Criterion
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Value
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Proof
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Comment
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| Known hardware tampering
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Rare
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Physical disassembly is possible; public hardware tampering exploits for this watch are limited.
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| Known vulnerabilities
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Rare
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Few known public vulnerabilities; vendor pushes regular HyperOS wearable security patches.
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| Prior attacks
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None
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No large‑scale real‑world public attacks targeting this exact watch model.
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| Updatability
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Very common
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Regular official OTA firmware updates for Redmi Watch 15.
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| Category Score
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Score: 2 / 3
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2. System Security
| Criterion
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Value
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Proof
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Comment
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| Authentication with other systems
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Partial
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Requires pairing with Mi‑account; full cross‑device mutual authentication is limited.
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| Communications
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Encrypted with up-to-date encryption
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Bluetooth and cloud data use modern TLS encryption protocols.
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| Storage
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Encrypted with up-to-date encryption
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Local watch storage is encrypted by HyperOS.
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| Category Score
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Score: 2 / 3
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3. User Authentication
| Criterion
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Value
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Proof
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Comment
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| Account management
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Full
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Bound to Mi account, supports account binding and permission management.
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| Authentication
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Secure
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Secure phone‑pair authentication, no hard‑coded default credentials.
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| Brute-force protection
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Exist
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Lock‑out mechanism for repeated failed pairing attempts.
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| Event logging
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Partial logging
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Partial pairing and security‑related events are logged locally.
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| Passwords
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Require change after setup
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Mi‑account password complexity rules apply for bound access.
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| Category Score
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Score: 2 / 3
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Technical Specifications
| Property
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Details
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| Operating System & App
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Xiaomi HyperOS 2 (Companion App: Mi Fitness)
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| Hardware (CPU / GPU)
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CPU: Low‑power wearable processor • GPU: Integrated wearable graphics
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| Memory & Storage
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Memory: 256MB • Storage: 1GB local storage
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| Power, Battery & Charging
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Battery: 560 mAh typical • Power: Magnetic charging • Charging: 2‑pin magnetic charging dock
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| Display & Camera
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Display: 2.07‑inch AMOLED, 432×514 resolution, 60Hz refresh rate, peak brightness 1500 nits • Camera: Built‑in speaker, dual‑microphone array, support Bluetooth calling
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| Sound & Connectivity
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Sound: Bluetooth 5.4, NFC, GNSS (Beidou/GPS/Galileo), 5ATM water resistance • Connectivity: Heart‑rate sensor, blood‑oxygen sensor, accelerometer, gyroscope, ambient light sensor
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| Physical (Dimensions & Mass)
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Dimensions: 47.2 × 41.0 × 11.2 mm • Mass: 34 g
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This is Redmi Watch 15 (model 25046RN17G), a budget‑grade smart watch running Xiaomi HyperOS 2 wearable system. It receives regular official OTA firmware and security updates, supports modern encrypted Bluetooth and cloud communication as well as local storage encryption. It uses Mi‑account‑bound pairing authentication, includes brute‑force protection for pairing attempts and partial local security event logging. Physical hardware tampering is possible but rare; known vulnerabilities are limited and patched timely by the vendor.
