Our Smartphones

Perfect device for your security needs. Customized for maximum privacy.

Octophone 4 Pro rearOctophone 4 Pro front

Octophone 4 Pro

€1.381
Octophone 4 rearOctophone 4 front

Octophone 4

€1.165
Octophone 4a rearOctophone 4a front

Octophone 4a

€1.107
Octophone 3 Pro rearOctophone 3 Pro front

Octophone 3 Pro

€1.257
Octophone 3 rearOctophone 3 front

Octophone 3

€1.036
Octophone 3a rearOctophone 3a front

Octophone 3a

€886

GrapheneOS.

The world's most secure mobile operating system.
Fully open source.

Open source allows checking for backdoors. Full control with hardware-based verification of your phone's software authenticity and integrity.

Unbreakable Security

Strong encryption and Titan M2 security chip protects your device and data against sophisticated physical attacks.

  • Verified boot ensures OS integrity
  • Hardware-based attestation

Complete Privacy

Automatic kill switch shuts down after configured inactivity. Duress PIN automatically deletes the entire phone and data.

  • PIN layout scrambling for public use
  • Integrated fingerprint sensor option

Discover GrapheneOS.

Explore the world's most secure mobile operating system and learn how it protects your privacy like never before.

Learn More
Free Worldwide Shipping
7-Year Software Support
Anonymous Payment Options

Frequently Asked Questions

Answers to the most important questions about our security smartphones

GrapheneOS is a privacy and security focused mobile OS with Android app compatibility. We use it because it provides the highest level of security hardening, verified boot, and privacy protection available for smartphones today.

Octolock smartphones are significantly more secure than regular phones. They run GrapheneOS with hardened security features, have Google services completely removed, use verified boot, and include hardware-level security enhancements that protect against both software and hardware attacks.

Yes, you can install most Android apps through F-Droid, Aurora Store, or by sideloading APK files. However, Google Play Services are not included by default for privacy reasons, though they can be installed in a sandboxed environment if needed.

We accept credit/debit card payments via Stripe (including Apple Pay and Google Pay), Bitcoin for greater financial privacy, and cash via post for complete anonymity. Each option is designed to suit a different privacy need.

Yes, we ship worldwide with free shipping included. All devices are carefully packaged and shipped discreetly to protect your privacy. Shipping times vary by location but typically take 5-10 business days.

All Octolock devices come with a 2-year warranty covering hardware defects. We provide 24/7 technical support via encrypted channels and maintain detailed documentation for setup and troubleshooting.

To perfect your operational security (OPSEC), we strongly recommend following the configuration settings outlined in our comprehensive setup guide. This includes optimizing privacy settings, configuring secure communication channels, implementing proper network protocols, and establishing robust backup procedures to ensure maximum security and anonymity.

We collect only the essential data required for your order and nothing more. For example, if you choose cash payment, we can even guarantee complete anonymity. Your privacy is our priority: minimal data collection, maximal discretion. Any data we are legally required to retain is stored securely and fully encrypted.

Our mission is to provide you with maximum security and privacy – especially through the use of GrapheneOS, a high-security, privacy-focused operating system. The use of pre-owned devices is not compatible with this standard.