Xiaomi Mi Band 6

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	None	—
Known vulnerabilities	Very common	[1] [2] 🔗 Proof]	Connection with smartphone is done through bluetooth which is highly vulnerable
Prior attacks	Rare	🔗 Proof
Updatability	Very common	🔗 Proof
Category Score	Score: 2 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Full	🔗 Proof	Manual to connect band to smartphone
Communications	Encrypted with up-to-date encryption	🔗 Proof
Storage	Encrypted with up-to-date encryption	🔗 Proof
Category Score	Score: 1 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Absent	—	No account managment
Authentication	Basic	🔗 Proof	No authentication & pairing throught QR code
Brute-force protection	Absent	—
Event logging	Access event logged	🔗 Proof
Passwords	Default/Common/Easy to guess	—	No password, authentication throught bluetooth to smartphone
Category Score	Score: 3 / 3

Technical Specifications

Property	Details
Operating System & App	MIUI Band OS 10 (Companion App: Mi Fit)
Hardware (CPU / GPU)	CPU: Unknown • GPU: Unknown
Memory & Storage	Memory: 0.5 MB • Storage: 16 MB
Power, Battery & Charging	Battery: 125 mAh - Lithium-ion polymer battery • Power: Unknown • Charging: Magnetic charging
Display & Camera	Display: 152 x 486 - 326 ppi - 1.56-inch AMOLED • Camera: -
Sound & Connectivity	Sound: - • Connectivity: Bluetooth 5.0
Physical (Dimensions & Mass)	Dimensions: 47.4 mm × 18.6 mm × 12.7 mm • Mass: 12.8 grams