Vivo X Fold

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	None	🔗 Proof	As an official flagship device from a major manufacturer, no widespread hardware tampering issues are reported for retail units.
Known vulnerabilities	Rare	🔗 Proof	Subject to general Android and Snapdragon platform vulnerabilities. No widespread, model-specific exploits were prominent.
Prior attacks	Rare	🔗 Proof	Targeted attacks on specific smartphone models are rare; general Android malware is the primary concern.
Updatability	Very common	🔗 Proof	As a flagship device, it received major OS updates and security patches during its support cycle.
Category Score	Score: 2 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Full	🔗 Proof	Integrates with vivo account system for cloud sync, device finding, and ecosystem services.
Communications	Encrypted with up-to-date encryption	🔗 Proof	Supports modern standards like Wi-Fi 6 and Bluetooth 5.2, which utilize contemporary encryption protocols.
Storage	Encrypted with up-to-date encryption	🔗 Proof	As a device launched with Android 12, it employs Full-Disk Encryption (FDE) or File-Based Encryption (FBE) by default.
Category Score	Score: 1 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Full	🔗 Proof	Full account system for device management, cloud services, and security settings.
Authentication	Secure	🔗 Proof	Features an under-display fingerprint sensor on the outer screen and facial recognition for unlocking.
Brute-force protection	Exist	🔗 Proof	Android includes built-in mechanisms that impose time delays after multiple failed unlock attempts.
Event logging	Access event logged	🔗 Proof	The Android platform includes system-level logging of security and access events.
Passwords	Require change after setup	🔗 Proof	The initial device setup and vivo account creation guide users to set a personal password.
Category Score	Score: 2 / 3

Technical Specifications

Property	Details
Operating System & App	OriginOS Ocean (Based on Android 12) (Companion App: V-Appstore, i Manager, vivo Cloud Services)
Hardware (CPU / GPU)	CPU: Qualcomm Snapdragon 8 Gen 1 • GPU: Adreno 730
Memory & Storage	Memory: 12GB LPDDR5 RAM • Storage: 256GB / 512GB UFS 3.1
Power, Battery & Charging	Battery: 4600 mAh (typical value) • Power: • Charging: 66W Wired Flash Charge, 50W Wireless Flash Charge
Display & Camera	Display: Inner: 8.03-inch AMOLED, 2160×1916, 1-120Hz Adaptive; Outer: 6.53-inch AMOLED, 2520×1080, 120Hz • Camera: Rear: 50MP OIS Main (f/1.75) + 48MP Ultra-wide (114°) + 12MP Portrait (47mm eq.) + 8MP Periscope (5x Optical Zoom, OIS); Front: 16MP
Sound & Connectivity	Sound: Hi-Fi Support • Connectivity: 5G (SA/NSA), Wi-Fi 6, Bluetooth 5.2, NFC, GPS
Physical (Dimensions & Mass)	Dimensions: Folded: 162.01 x 74.47 x 14.57-14.91 mm; Unfolded: 162.01 x 144.87 x 6.28-7.40 mm • Mass: Approx. 311 g