Xiaomi 15 (24129PN74G)

Xiaomi 15 (24129PN74G)
Security Grade B Calculator v	Xiaomi 15 Brand: Xiaomi (Parent: Xiaomi Corporation) Category: mobile phone • Model / Gen: 15th Gen 24129PN74G Release Date: 2024-10-29 • Status: In sale Classification Date: • [[1](https://www.mi.com/global/product/xiaomi)‑15/ Official Website]

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	Rare	[[2](https://trust.mi.com/zh)‑CN/misrc/updates/phone 🔗 Proof]	Bootloader unlock available after official application; public tampering cases are limited.
Known vulnerabilities	Rare	[[3](https://trust.mi.com/zh)‑CN/misrc/updates/phone 🔗 Proof]	Occasional Android‑related CVEs; vendor releases regular security patches.
Prior attacks	None	[[4](https://trust.mi.com/zh)‑CN/misrc/updates/phone 🔗 Proof]	No large‑scale real‑world attacks targeting this exact device model.
Updatability	Very common	[[5](https://trust.mi.com/zh)‑CN/misrc/updates/phone 🔗 Proof]	Regular HyperOS OTA firmware and security updates are provided.
Category Score	Score: 2 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Partial	[[6](https://trust.mi.com/zh)‑CN/misrc/updates/phone 🔗 Proof]	Mi‑ecosystem device pairing supported, full cross‑device mutual authentication is limited.
Communications	Encrypted with up-to-date encryption	[[7](https://trust.mi.com/zh)‑CN/misrc/updates/phone 🔗 Proof]	Network traffic protected by modern TLS and WPA3 encryption.
Storage	Encrypted with up-to-date encryption	[[8](https://trust.mi.com/zh)‑CN/misrc/updates/phone 🔗 Proof]	Device‑wide full‑disk encryption enabled on HyperOS.
Category Score	Score: 2 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Full	[[9](https://trust.mi.com/zh)‑CN/misrc/updates/phone 🔗 Proof]	Complete local and Mi‑account user permission management.
Authentication	Secure	[[10](https://trust.mi.com/zh)‑CN/misrc/updates/phone 🔗 Proof]	Supports under‑display fingerprint and AI face unlock.
Brute-force protection	Exist	[[11](https://trust.mi.com/zh)‑CN/misrc/updates/phone 🔗 Proof]	System login lockout mechanism against brute‑force attempts.
Event logging	Partial logging	[[12](https://trust.mi.com/zh)‑CN/misrc/updates/phone 🔗 Proof]	Partial login and security‑related events are logged locally.
Passwords	Require change after setup with complexity requirements	[[13](https://trust.mi.com/zh)‑CN/misrc/updates/phone 🔗 Proof]	Password complexity rules enforced for user accounts.
Category Score	Score: 2 / 3

Technical Specifications

Property	Details
Operating System & App	Xiaomi HyperOS 2 (Android 15) (Companion App: Mi Fitness)
Hardware (CPU / GPU)	CPU: Snapdragon 8 Elite (2×Prime up to 4.32GHz + 6×Performance up to 3.53GHz) • GPU: Adreno GPU
Memory & Storage	Memory: 12GB /16GB LPDDR5X • Storage: 256GB / 512GB /1TB UFS 4.0
Power, Battery & Charging	Battery: 5400 mAh typical • Power: 90W wired charging,50W wireless charging,reverse wireless charging support • Charging: USB‑C, supports QC5.0,PD3.0 fast‑charge protocols
Display & Camera	Display: 6.36‑inch CrystalRes AMOLED, 2670×1200, 1‑120Hz adaptive refresh rate, peak brightness 3200 nits • Camera: Rear 50MP main+50MP floating telephoto+50MP ultra‑wide Leica camera; Front 32MP selfie camera
Sound & Connectivity	Sound: Stereo dual speakers • Connectivity: 5G,Wi‑Fi 7,Bluetooth 6.0,NFC,IR blaster,Beidou/GPS/Galileo GNSS
Physical (Dimensions & Mass)	Dimensions: 152.3 × 71.2 × 8.08 mm • Mass: 191 g

This is Xiaomi 15 (model 24129PN74G), a flagship smartphone running Xiaomi HyperOS 2 based on Android 15, powered by Snapdragon 8 Elite chipset. It receives regular HyperOS security OTA updates, supports modern network encryption and device‑level full‑disk storage encryption. It provides secure biometric authentication, full account management, brute‑force login protection and partial security event logging. Hardware tampering is possible via official bootloader unlock; known vulnerabilities are rare and patched timely by vendor.