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.



Fairphone Fairphone 5


Pixel Pixel 8 Pro Pixel 8 Pixel Fold Pixel Tablet Pixel 7a Pixel 7 Pro Pixel 7 Pixel 6a Pixel 6 Pro Pixel 6
Fairphone Fairphone 4
Motorola Moto G32 Moto G42 Moto G52

Extended support

Pixel 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
Shift SHIFT6mq

No longer supported

Oneplus OnePlus 9 Pro (Beta) OnePlus 9 (Beta) OnePlus 8T (Beta)
Pixel Pixel 2 XL Pixel 2
Xiaomi Xiaomi Mi A2

CalyxOS Features

Own Your Conversations

πŸ’¬ Call, text, or video chat privately with Signal.

πŸ” Encrypted communication is prioritized and encouraged in the OS.


Access the World's Information

🌎 Browse the internet without censorship using Tor Browser.

πŸ”‘ Free and trusted VPNs from The Calyx Institute and Riseup included.


Download Your Favorite Apps

πŸ“² 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


Get Started With CalyxOS

Ready to make the move? Let's go πŸŽ‰

Get CalyxOS

About CalyxOS

Why did we create CalyxOS?

Learn More


Recent Research

User Personas

Maya Ninova, Ph.D., 2021

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

Pixel 4, SHIFT6MQ - February 2024 Security update


  • CalyxOS 4.18.0 for Pixel 4, 4 XL and SHIFT6MQ
  • Last Android 13 build, next will be Android 14

February 2024 Security update


  • CalyxOS 5.4.0
  • Pixel 4a and newer, Moto G32, G42, G52, FP4

CalyxOS stand @ FOSDEM 2024, Brussels, Belgium


  • This celebration of free and open-source software is this weekend, 3 & 4 February 2024
  • Like the site says: β€œFOSDEM is free to attend. There is no registration. Just turn up!”

See more

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