For GrapheneOS, it’s primarily that it’s re-lockable. That’s why other unlockable phones aren’t supported.
The GrapheneOS install process sets new OS signing keys so you can lock the phone again and get full verified boot. However, most manufacturers haven’t implemented this feature.
For GrapheneOS, it’s primarily that it’s re-lockable. That’s why other unlockable phones aren’t supported.
The GrapheneOS install process sets new OS signing keys so you can lock the phone again and get full verified boot. However, most manufacturers haven’t implemented this feature.