Your Phone Should Be Private
Everyone needs a phone. Not everyone wants to be spied on.
Reclaim your privacy with CalyxOS.
CalyxOS is an Android mobile operating system that puts privacy and security into the hands of everyday users. Plus, proactive security recommendations and automatic updates take the guesswork out of keeping your personal data personal.
Supported Devices
Pixel | Pixel 6a (beta) Pixel 6 Pro Pixel 6 Pixel 5a (5G) Pixel 4a (5G) Pixel 5 Pixel 4a Pixel 4 XL Pixel 4 Pixel 3a XL Pixel 3a Pixel 3 XL Pixel 3 |
CalyxOS Features
Own Your Conversations
💬 Call, text, or video chat privately with Signal.
🔐 Encrypted communication is prioritized and encouraged in the OS.

Access the World's Information
🌎 Browse the internet without censorship using Tor Browser.
🔑 Free and trusted VPNs from The Calyx Institute and Riseup included.

Download Your Favorite Apps
📲 Download all of your favorite apps from F-Droid and Aurora Store.
✌️ [[microg]] replaces some functions of Google Play Services while maintaining much more anonymity and privacy. Completely Optional.

Learn More
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Recent Research
User Personas
We recently conducted a diary study and a set of user interviews and synthesized a baseline understanding of who our users are. Download the research report!
Download PDF📰
Recent News
July 2022 Security update - Pixels
CalyxOS 3.7.0 - Android 12L is now available for all supported Pixels, i.e. Pixel 3 - Pixel 6
OnePlus Android 12 firmware - relocking no longer works
CalyxOS test builds for the OnePlus 8T, 9 and 9 Pro have been shipping with the Android 11 firmware, since at the time the work to update custom ROMs to be based on that was still work in progress for some models, and for others full kernel source code was not available until recently.
CalyxOS Status update - June
This is the first in a series of regular updates from the CalyxOS team.
Become a Member
CalyxOS is brought to you by Calyx Institute, a 501(c)(3) non-profit dedicated to making privacy and security available for all.
By becoming a member of Calyx Institute, you will support the development of CalyxOS and receive a phone with CalyxOS already installed!
Join Now