Librem 5 (by Purism)

Librem 5 (by Purism)
Security Grade B Calculator v1	Librem 5 Brand: Purism (Parent: Purism) Category: Smartphone • Model / Gen: 1st Generation Librem 5 USA, Librem 5 Release Date: 2020-01-01 • Status: End of sale Classification Date: 2025-10-05 • Official Website

Security Evaluation

1. Device Security

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

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Partial	—	depends on apps used
Communications	Encrypted with up-to-date encryption	—
Storage	Encrypted with up-to-date encryption	—
Category Score	Score: 2 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Basic	—	user-controlled with PureOS
Authentication	Secure	—	requires PIN/password
Brute-force protection	Exist	—	depends on OS and configuration
Event logging	Partial logging	—
Passwords	Require change after setup with complexity requirements	—
Category Score	Score: 2 / 3

Technical Specifications

Property	Details
Operating System & App	PureOS (Linux-based) (Companion App: PureOS Apps)
Hardware (CPU / GPU)	CPU: NXP i.MX 8M Quad-core ARM Cortex-A53 • GPU: Vivante GC7000Lite
Memory & Storage	Memory: 3GB LPDDR4 • Storage: 32GB eMMC, expandable via microSD
Power, Battery & Charging	Battery: 3500 mAh • Power: 18W USB-C charging • Charging: USB-C
Display & Camera	Display: 5.7-inch 1440 x 720 resolution IPS display • Camera: 13MP rear camera, 8MP front camera
Sound & Connectivity	Sound: Stereo speakers • Connectivity: 4G LTE, Wi-Fi 5, Bluetooth 4.2
Physical (Dimensions & Mass)	Dimensions: 153 x 75 x 9.5 mm • Mass: 220g