The Eighteen-Hour Window: GrapheneOS, Richard Medhurst, and Why Sovereign Mobile Is Not Optional
Richard Medhurst was arrested at Heathrow under Section 12 of the Terrorism Act. His GrapheneOS phone was seized while locked. The 18-hour auto-reboot feature plunged it into Before First Unlock, and months of police password requests failed. This Virgil dispatch extracts the security mechanism, the BFU/AFU state machine, GrapheneOS's hardening surface, and why derivative sovereign OS work like MosaicOS is the logical next step — not a lifestyle choice, but freedom of information infrastructure.