Mobile phone privacy

Operating systems

Degoogled Android based operating systems

In it’s own league concerning privacy and security:

GrapheneOS [supported devices]

At the moment only supports select Google Pixel devices. The project faq point out a non-exhaustive list of requirements for a device to be considered, which at the moment only Google Pixel devices meet: “Which devices will be supported in the future?”

In October 2025 the project team confirmed on reddit that they are working with a major Android OEM on Snapdragon-powered devices.

Comparison of Android-based Operating Systems

Make sure to check out this great comparison:

https://eylenburg.github.io/android_comparison.htm

Very wide adoption and good maturity levels:

Other mentions:

CalyxOS (currently on hiatus)
Replicant [supported devices]

Other Linux based operating systems for mobile phones

Sadly not quite polished and/or available on a lot of devices yet.

Ubuntu touch [Ubuntu based, supported devices]
postmarketOS [Alpine Linux based, supported devices]
PureOS (Debian based, only Purism Librem)
Mobian [Debian based, supported devices]
KDE Plasma Mobile [supports ARM and x86 devices]

Phones

All listed phones feature a USB-C charging port.

If you are mostly interested in software please take a look at PrivacyTools which is a big collection of privacy focused resources in many different areas.