Jolla Jolla Phone (J1)

Jolla Jolla Phone (J1)
Security Grade B Calculator v	Jolla Jolla Phone Brand: Jolla Jolla Phone (Parent: Jolla Ltd.) Category: Smartphone • Model / Gen: 1st generation Jolla 1 Release Date: 2026-02-01 • Status: End of life Classification Date: • Official Website

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	Rare	https://blog.jolla.com/hacknplay-23-january-2015/ 🔗 Proof	Only limited community hardware modification / TOH module hacking; not widespread.
Known vulnerabilities	Rare	🔗 Proof	Low public disclosure of vulnerabilities due to small userbase.
Prior attacks	None	—	No recorded widespread targeted attacks against this device model.
Updatability	Very common	🔗 Proof	Sailfish OS receives regular OTA security & feature updates from the upstream project.
Category Score	Score: 2 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Partial	🔗 Proof	Supports Jolla account login and some 3rd-party services, no universal full SSO integration.
Communications	Encrypted with up-to-date encryption	🔗 Proof	Modern TLS, VPN support and system firewall for network traffic.
Storage	Encrypted with up-to-date encryption	🔗 Proof	User data encryption based on LUKS AES-256, modern encryption standard.
Category Score	Score: 2 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Basic	🔗 Proof	Basic Jolla account registration and credential reset workflow.
Authentication	Secure	🔗 Proof	Device lock security code separate from SIM PIN, secure local auth.
Brute-force protection	Exist	🔗 Proof	Wrong-code attempt limit; after exceeding threshold user data becomes inaccessible.
Event logging	Partial logging	🔗 Proof	System logs partial security events, not full comprehensive audit logging.
Passwords	Require change after setup	🔗 Proof	User must define a custom security code during initial device setup.
Category Score	Score: 2 / 3

Technical Specifications

Property	Details
Operating System & App	Sailfish OS (Companion App: Jolla Store)
Hardware (CPU / GPU)	CPU: Qualcomm MSM8930 Snapdragon 400 (Dual-core 1.4 GHz Cortex-A7) • GPU: Adreno 305
Memory & Storage	Memory: 1 GB RAM • Storage: 16 GB internal, support microSD up to 32 GB
Power, Battery & Charging	Battery: 2100 mAh, Li-Ion, non-removable • Power: 3.7 V • Charging: Micro-USB, 5V charging
Display & Camera	Display: 4.5-inch IPS, 960 × 540 qHD, 245 ppi • Camera: Rear: 8 MP autofocus; Front: 2 MP
Sound & Connectivity	Sound: Mono speaker, 3.5 mm audio jack • Connectivity: GSM / HSPA / LTE, Wi-Fi 802.11 b/g/n, Bluetooth 4.0, GPS, NFC, Micro-USB
Physical (Dimensions & Mass)	Dimensions: 131 × 68 × 9.9 mm • Mass: 141 g

Jolla Phone is the first smartphone running Sailfish OS, a mobile Linux operating system developed by Jolla. It is a discontinued niche device with limited market share, open-source oriented.