Vanadium: hardened WebView and default browser.

Broad carrier support without invasive carrier access.

Defending against exploitation of unknown vulnerabilities.

In many cases, we've been involved in getting those features implemented in core infrastructure projects. Many of our features were implemented in AOSP, Linux, LLVM and other projects GrapheneOS is based on and those aren't listed here. It doesn't document our many historical features that are no longer included for one reason or another. This page provides an overview of currently implemented features differentiating GrapheneOS from AOSP. It will also always be chasing a moving target while offering poorer security than the real thing if the focus is on simply getting things working without great care for doing it robustly and securely. That wouldn't ever be something users could rely upon. GrapheneOS won't take the shortcut of simply bundling a very incomplete and poorly secured third party reimplementation of Google services into the OS. We aren't against users using Google services but it doesn't belong integrated into the OS in an invasive way. GrapheneOS is also hard at work on filling in gaps from not bundling Google apps and services into the OS. It's a very technical project building privacy and security into the OS rather than including assorted unhelpful frills or bundling subjective third party apps choices. It doesn't take the typical approach of piling on a bunch of insecure features depending on the adversaries not knowing about them and regressing actual privacy/security. GrapheneOS is focused on substance rather than branding and marketing. The project cares a lot about usability and app compatibility so those are taken into account for all of our features. GrapheneOS makes substantial improvements to both privacy and security through many carefully designed features built to function against real adversaries. It starts from the strong baseline of the Android Open Source Project (AOSP) and takes great care to avoid increasing attack surface or hurting the strong security model. GrapheneOS is a private and secure mobile operating system with great functionality and usability.

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