Vivo X27

Vivo X27
Security Grade A Calculator v1	vivo X27 Brand: vivo (Parent: Vivo Mobile Communications Co., Ltd) Category: Smartphone • Model / Gen: 1 X27 Release Date: 2019-03-19 • Status: End of sale Classification Date: 2024-10-31 • Official Website

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	None	—
Known vulnerabilities	Rare	🔗 Proof
Prior attacks	None	—
Updatability	Very common	🔗 Proof
Category Score	Score: 2 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Full	🔗 Proof
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	Full	🔗 Proof
Authentication	Secure	🔗 Proof
Brute-force protection	Exist	🔗 Proof
Event logging	Access event logged	🔗 Proof
Passwords	Require change after setup with complexity requirements	🔗 Proof
Category Score	Score: 1 / 3

Technical Specifications

Property	Details
Operating System & App	Funtouch OS 9 (Companion App: )
Hardware (CPU / GPU)	CPU: SDM710 • GPU: Adreno 616
Memory & Storage	Memory: 8GB RAM • Storage: 128GB, 256GB
Power, Battery & Charging	Battery: 4000 mAh • Power: Battery: 4000 mAh, Fast Charging: 22.5W vivo FlashCharge • Charging: USB Type-C port, supports fast charging at 22.5W
Display & Camera	Display: Type: Super AMOLED, Size: 6.39 inches, Resolution: 2340 x 1080 pixels (FHD+), Aspect Ratio: 19.5:9, Screen-to-body Ratio: 91.6%, Features: In-display fingerprint sensor • Camera: 48 MP primary camera (f/1.8); 13 MP ultra-wide camera (120° field of view, f/2.2); 5 MP depth sensor (f/2.4)
Sound & Connectivity	Sound: Hi-Fi audio chip: AK4377A; 3.5mm headphone jack; Loudspeaker • Connectivity: Network: 4G LTE, dual SIM support; Wi-Fi: 802.11 a/b/g/n/ac, dual-band; Bluetooth: 5.0; USB: Type-C with OTG support; GPS: A-GPS, GLONASS, BDS
Physical (Dimensions & Mass)	Dimensions: 157.66mm*74.26mm*8.95mm • Mass: 188.3g