Английская Википедия:CalyxOS

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Шаблон:Short description Шаблон:Infobox OS CalyxOS is an operating system for smartphones based on Android with mostly free and open-source software. It is produced by the Calyx Institute as part of its mission to "defend online privacy, security and accessibility."

CalyxOS preserves the Android security model, using Android's Verified Boot system of cryptographic signing of the operating system, and running with a locked bootloader, partly thanks to an installer that guides the user through the process of unlocking and then re-locking the bootloader.

History

The Calyx Institute annual reports state CalyxOS was publicly launched during their 2018–2019 fiscal year. Inspiration included Tails and Qubes OS, and goals were said to be "completely open source", removing proprietary Google tracking, and including apps Tor, Signal and CalyxVPN for increased privacy.

CalyxOS supports Google Pixel smartphones Pixel 3 and newer. CalyxOS supports Fairphone 4. In September 2023, CalyxOS announced support for Fairphone 5.

In April 2022, CalyxOS announced support for OnePlus 8T, 9, and 9 Pro. However, in May 2022, CalyxOS announced OnePlus builds were pulled because of a bootloader "relock issue". As of July 2022, according to CalyxOS the OnePlus relock issue had not been resolved.

Software

Шаблон:Incomplete list

Software name	Feature(s)	Notes
Aurora Store	Alternative to the standard Google Play Store	Aurora Store uses the same standard catalog of apps and installs apps directly from the Google servers to phone. CalyxOS gives Aurora Store special privileges so that app updates can be automatically installed.
Chromium	FOSS web browser	Bromite fork, succeeded DuckDuckGo mobile browser as the default web browser in June 2022.
F-Droid	Repository of FOSS applications for the Android platform	CalyxOS gives F-Droid special privileges to streamline app updates, installs, and uninstalls.
MicroG	FOSS implementation of proprietary Google Play Services	Some apps dependent on Google Play Services may not work with MicroG, use of MicroG is optional.
Organic Maps	Navigation app with privacy	Privacy-focused navigation app for driving, hiking, and cycling. Search for locations and navigate without a cell phone signal.
Seedvault	Encrypted backup and restore application for Android	The Calyx Institute sponsored development of SeedVault and an annual report states they "debuted SeedVault" during their 2019-2020 fiscal year. SeedVault is also used by LineageOS.
Signal	Encrypted calling/messaging app	Free, privacy-focused messaging and voice talk app, preinstalled as messaging app in CalyxOS.

CalyxOS ships with MicroG as an open-source alternative to the Google Mobile Services, including Mozilla Location Services as an optional replacement to the location services provided by Google, but gives the user the option to disable microG and its location services.

Reception

In October 2020, Moritz Tremmel reviewed CalyxOS. A month later, Tremmel explained why he preferred CalyxOS over LineageOS. A year later in September 2021, Tremmel further explained how CalyxOS was different from other ROMs because it did not require as much "fiddling". Rahul Nambiampurath, writing for MakeUseOf in March 2021, termed CalyxOS, "[one of the] best [Android] ROMs for privacy ... offers the perfect middle ground between convenience and privacy". In August 2021, Android Authority wrote CalyxOS "puts privacy and security into the hands of everyday users."

In 2022, the book c't Sicher ins Netz: How to block out monitors and attackers, said "CalyxOS is one of the youngest custom ROMs, it will only celebrate its second birthday in summer 2022. With a built-in Datura firewall, VPN and Cloudflare DNS, Calyx promises more security than some other mobile systems."

In 2023, CalyxOS was the one alternative phone operating system recommended by Carey Parker in the book "Firewalls Don't Stop Dragons".

In a review in February 2023, the Kuketz Security blog said CalyxOS "offers a coherent overall package that should give users who want to (strongly) reduce their dependency on Google a good start" and said the integrated Datura Firewall works well. However, it criticized some previous delayed security updates and said the website does not "quite match what the present analysis revealed" regarding the information given to Google.Шаблон:Sps

See also

• Comparison of mobile operating systems
• List of custom Android distributions
• Security-focused operating system
• Guardian Project