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this post was submitted on 31 Jan 2026
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privacy
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GrapheneOS has a duress password: a different PIN you can type in at any unlock prompt that tells your phone to wipe your SIM and contents
I want this but instead it logs you into a blank dummy profile that is completely separate from your normal profile
Graphene uses 3 kinds of unlock methods - if you choose to use them.
The main password/pin unlock you'd see whenever you first unlock your phone.
A biometric fingerprint to use after first unlock.
And Graphene has a secondary pin so that it requires a code AFTER using your fingerprint.
This duress password and pin (you have both options) can be used at first unlock or whenever it prompts for the password and after biometrics where it asks for the secondary pin.
Both will wipe your phone.
GrapheneOS also will restart after 18 hours without being unlocked by default, you can adjust this down to as little as 10 minutes or as long as 72 hours. A reboot forces a phone into the most secure Before First Unlock status. Biometrics do not work there.