> if your device runs a true open source distro

The situation with Android security updates means that such a distro is either not based on Android (and likely less useful), or there are months-long delays to security updates for the non-GPL components.

Similarly, non-Google versions of Android can't run important apps that require attestation, including the Australian government app myGov.

https://grapheneos.org/articles/attestation-compatibility-gu...