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Operating systems for phones

Each system below replaces the Android that ships on your phone. Check the device list first: each one runs on a short list of models.

Each entry says which devices it runs on.

Order: what the tool asks of you (nothing, an account, ID), then open code before closed code, then A to Z. Affiliate links and sponsors never change it.

  1. /e/OS

    Asks of you: nothing Code: open source
    • Open source mobile system with selected apps.
    • Says its Android core has no Google apps or Google services accessing your data.
    • Installs on supported devices through a web installer.

    Visit /e/OS Checked 2026-10-19

  2. CalyxOS

    Asks of you: nothing Code: open source
    • Android system focused on privacy and security.
    • Supports Pixel 6 to 10a, Fairphone 5 and 6, some Motorola phones and the SHIFTphone 8.
    • Offers microG as an option. Its latest news item, dated 1 October 2026, is the Android 17 rollout.
    • Links to its source code on GitLab.

    Visit CalyxOS Checked 2026-10-19

  3. GrapheneOS

    Asks of you: nothing Code: open source
    • Privacy and security focused mobile system that runs Android apps.
    • Supports Pixel devices only, from the Pixel 6 series to the Pixel 10a.
    • Says it will never include Google Play services or microG.
    • Non-profit open source project.

    Visit GrapheneOS Checked 2026-10-19

  4. LineageOS

    Asks of you: nothing Code: not stated
    • Android distribution with a wide list of supported phones, from Pixel and Samsung to Fairphone.
    • Its device wiki says a device that is not listed is not supported.
    • Our checker could not open the main site, so these points come from its device wiki.

    Visit LineageOS Checked 2026-10-19

See also