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GRAPHENEOS

The private and secure mobile operating system with Android app compatibility.
Developed as a non-profit open source project.

Install GrapheneOS

Get to know GrapheneOS


ABOUT

GrapheneOS is a privacy and security focused mobile OS with Android app
compatibility developed as a non-profit open source project. It's focused on the
research and development of privacy and security technology including
substantial improvements to sandboxing, exploit mitigations and the permission
model. It was founded in 2014 and was formerly known as CopperheadOS.

GrapheneOS improves the privacy and security of the OS from the bottom up. It
deploys technologies to mitigate whole classes of vulnerabilities and make
exploiting the most common sources of vulnerabilities substantially more
difficult. It improves the security of both the OS and the apps running on it.
The app sandbox and other security boundaries are fortified. GrapheneOS tries to
avoid impacting the user experience with the privacy and security features.
Ideally, the features can be designed so that they're always enabled with no
impact on the user experience and no additional complexity like configuration
options. It's not always feasible, and GrapheneOS does add various toggles for
features like the Network permission, Sensors permission, restrictions when the
device is locked (USB peripherals, camera, quick tiles), etc. along with more
complex user-facing privacy and security features with their own UX.

The features page provides an overview of the substantial privacy and security
improvements added by GrapheneOS to the Android Open Source Project (AOSP). Many
of our past features were contributed to AOSP, Linux and other projects to
improve privacy and security for billions of users so they're no longer listed
on our features page.

Official releases are available on the releases page and installation
instructions are on the install page.

GrapheneOS also develops various apps and services with a focus on privacy and
security. Vanadium is a hardened variant of the Chromium browser and WebView
specifically built for GrapheneOS. GrapheneOS also includes our minimal
security-focused PDF Viewer, our hardware-based Auditor app / attestation
service providing local and remote verification of devices, our modern privacy /
security focused camera app, and the externally developed Seedvault encrypted
backup which was initially developed for inclusion in GrapheneOS.


NO GOOGLE APPS OR SERVICES

GrapheneOS will never include either Google Play services or another
implementation of Google services like microG. It's possible to install Play
services as a set of fully sandboxed apps without special privileges via our
sandboxed Google Play compatibility layer. See the FAQ section for more details
on our plans for filling in the gaps from not shipping Play services and Google
apps.


DEVICE SUPPORT

See the FAQ section on device support.

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