Privacy focused mobile phone operating system built on top of the android open source project. Produced as part of the mission of the non-profit @calyxinstitute
Brooklyn, NY, USA
- Tweets 1,210
- Following 172
- Followers 20,984
- Likes 392
Pinned Tweet
Everyone needs a phone. Not everyone wants governments and corporations tracking their every move and spying on their communications. @CalyxOS lets you have your cake and eat it too, with #PrivacybyDesign
57
95
486
We've started rolling out CalyxOS 8.0 with Android 17 on Beta & Security Express channels. Stable rollout is scheduled on October 13 for all supported devices. Full details: calyxos.org/news/2026/10/01/…
3
1
11
1,686
This is the first release supporting Pixel 10a and Fairphone 6/6+ devices. Find your device on calyxos.org/install/ with the installation guide! The easiest way is to use our Web Installer. Or you can download the latest release image along with our upgraded device-flasher.
1
2
457
📱 CalyxOS is supporting Fairphone 6 now! If you have a Fairphone 6 and want to run CalyxOS, simply get it on calyxos.org/install/. Click the device model you need, and follow the instructions to download and install CalyxOS 7.2.4.50. Any follow up questions is welcome!
2
4
33
2,886
📣 Great news: CalyxOS is officially back! We've just released CalyxOS 7.2.2.0 with regular security updates. Thank you for your support throughout the hiatus. If you're coming from an older version or a different ROM, a clean install is required. calyxos.org/news/2026/07/01/…
8
11
83
7,030
🔔 CalyxOS Android 16 test builds are here! You can help us find bugs and get CalyxOS ready for our official release! Join our Matrix Tester channel for full instructions, including the risks to install the test build.
calyxos.org/news/2026/05/04/…
4
8
41
5,879
COMMUNITY UPDATE: this report focuses on addressing ongoing questions and concerns from our community with a detailed rundown of every development front to increase transparency. Want to help? See what you can do to help us! Full report: calyxos.org/news/2026/04/01/…
1
2
10
4,988
COMMUNITY UPDATE: our February 2026 CalyxOS progress report is out. You may have seen several changes across our website, release server, and Gerrit. This post explains our latest work and what to expect next: calyxos.org/news/2026/02/24/…
2
15
5,686
Curious about the new signing design and our progress with #CalyxOS? Come to our talk in the FOSS on Mobile devroom at #FOSDEM2026 on Saturday, Jan 31, at 13:00 in Brussels time. Chat with our speakers Aysha and Torsten if you have questions. fosdem.org/2026/schedule/eve…
ALT Image says: #FOSDEM2026, Devroom: FOSS on Mobile, Saturday, 13:00 CET. Session topic: Open-source HSM signing for AOSP projects with limited resources: Lessons from CalyxOS signing redesign.
3
2
14
5,209
#FOSDEM2026 is almost here! Join the FOSS on Mobile devroom on Saturday organized by a group of custom ROM developers, OEMs, and app builders including us. Deep dive into 21 talks on the current state of AOSP, Linux on mobile, and mobile app ecosystem. fosdem.org/2026/schedule/tra…
ALT Image says: #FOSDEM2026, Saturday Devroom, FOSS on Mobile. Talks: State of FOSS on mobile, the Linux phone app ecosystem, Deep dive AOSP: Insights and statistics, and more...
2
3
9
3,692
The December 2025 CalyxOS community update is here. We are in the final stage for the new signing process and moving forward with QPR2 analysis. Both are key steps to bring CalyxOS back on track. Read the full post: calyxos.org/news/2025/12/17/…
2
4
26
4,484
We are sharing a progress report to bring CalyxOS back on track. You can find more information on our signing process, infrastructure, and plan to extend support for older devices. calyxos.org/news/2025/11/10/…
1
3
26
6,189
We are refining our team support on each CalyxOS community channel. Here is a full rundown on where to find support from the CalyxOS team: calyxos.org/news/2025/09/30/…
1
2
7
5,997
📣 we are pushing one last OTA update before the new CalyxOS release to reach as many current users as we can about the current CalyxOS hiatus and its impact. Details about this OTA update: calyxos.org/news/2025/08/27/…
5
6
26
7,788
We're focusing on improving our development infrastructure, including server optimization. We're also closely monitoring the upcoming AOSP QPR1 release and its potential impact on our community while working to bring up Android 16 with all feature updates and security patches.
1
1
8
5,254
More of our internal progress will be shared periodically here and as updates to our community letter: calyxos.org/news/2025/08/01/…
1
2
7
4,019