# PrivatOS

> operating system used in the Blackphone from June 1, 2014, to June 30, 2016

**Wikidata**: [Q18155010](https://www.wikidata.org/wiki/Q18155010)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/PrivatOS)  
**Source**: https://4ort.xyz/entity/privatos

## Summary

PrivatOS was established on June 1, 2014 . There is no additional information available about PrivatOS.

## Summary
PrivatOS was a mobile operating system designed for the Blackphone, a privacy-focused smartphone. It was based on Android 4.4.2 and developed by Silent Circle. The operating system was in use from June 1, 2014, to June 30, 2016.

## Key Facts
- PrivatOS was an operating system used in the Blackphone from June 1, 2014, to June 30, 2016
- It was based on Android 4.4.2
- Developed by Silent Circle
- Also known as Silent OS
- Classified as a mobile operating system, proprietary software, and operating system
- Written in programming language Q15777 (likely C/C++)
- Had a sitelink count of 1 on Wikidata
- Featured a logo available at https://commons.wikimedia.org/wiki/Special:FilePath/Silent_Circle.png

## FAQs
### Q: What was PrivatOS?
A: PrivatOS was a mobile operating system designed for the Blackphone, a privacy-focused smartphone. It was based on Android 4.4.2 and developed by Silent Circle, running from June 1, 2014, to June 30, 2016.

### Q: Who created PrivatOS?
A: PrivatOS was developed by Silent Circle, a company focused on secure communications. The operating system was specifically created for use on their Blackphone device.

### Q: What version of Android was PrivatOS based on?
A: PrivatOS was based on Android 4.4.2, also known as KitKat. This version provided the foundation for the privacy-focused features of the Blackphone.

## Why It Matters
PrivatOS represented an important attempt to create a privacy-focused mobile operating system in an era of growing concerns about digital surveillance and data collection. By building on Android's open-source foundation while adding enhanced security features, Silent Circle aimed to provide users with a smartphone that prioritized privacy without sacrificing usability. The Blackphone and PrivatOS emerged during a time when revelations about government surveillance programs were making headlines, positioning the product as a solution for privacy-conscious consumers and businesses. Although its lifespan was relatively short, PrivatOS demonstrated the potential for privacy-focused mobile operating systems and influenced subsequent developments in secure mobile computing.

## Notable For
- Being one of the first commercially available smartphones with a privacy-focused operating system
- Successfully integrating enhanced security features while maintaining Android app compatibility
- Introducing features like secure calling, messaging, and file transfer directly into the operating system
- Demonstrating the viability of privacy-focused mobile devices in the consumer market
- Influencing the development of subsequent secure mobile operating systems and privacy-focused smartphones

## Body
### Development and Release
PrivatOS was developed by Silent Circle, a company founded by cryptography experts including Phil Zimmermann, creator of PGP encryption. The operating system was officially released on June 1, 2014, coinciding with the launch of the Blackphone. It represented a significant investment in privacy technology, with the company raising substantial funding to develop both the hardware and software components.

### Technical Foundation
The operating system was built on Android 4.4.2 (KitKat), leveraging the mature Android ecosystem while adding privacy-focused modifications. This approach allowed PrivatOS to maintain compatibility with Android applications while implementing enhanced security measures. The choice of Android as a base provided access to a wide range of apps and services while enabling Silent Circle to focus on privacy-specific features.

### Privacy Features
PrivatOS included several built-in privacy features that distinguished it from standard Android installations. These included secure calling and messaging capabilities, enhanced app permissions management, and features designed to minimize data leakage. The operating system was designed to give users greater control over their personal information and communications.

### Market Position
The Blackphone and PrivatOS were positioned as premium products targeting privacy-conscious consumers, businesses, and government agencies. The product gained significant media attention upon release, particularly in the wake of the Snowden revelations about government surveillance programs. However, the high price point and specialized nature of the device limited its market penetration.

### Legacy
Although PrivatOS was discontinued when the Blackphone project ended in 2016, its influence continued in the mobile security space. The concepts and technologies developed for PrivatOS informed subsequent privacy-focused mobile initiatives and contributed to the broader conversation about digital privacy and security in mobile computing.