this post was submitted on 09 Dec 2024
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Privacy
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There is absolutely no problem with that. The phone is wiped and encrypted when you flash graphene, and it does an integrity check every time it boots.
Hypothetically the hardware could have been modified, but that would take some insane level of a determined attacker to be fabricating modified pixels just to sell them on the used market.
Yes, this would only be a concern for targeted attacks by state actors, in which case not even buying new would be safe.
Thinking about it, in such a scenario buying used may even be safer
It also comes with a hardware auditor, although you need another trusted graphene phone to use it. I don't know about the details, but sounds very hard to mess with it.
No, Auditor can be installed on any Android phone. It's even available on the Play Store: https://play.google.com/store/apps/details?id=app.attestation.auditor.play
You can even perform a remote verification, which uses GrapheneOS servers and doesn't require a second device at all: https://attestation.app/tutorial#scheduled-remote-verification
Nothing too hypothetical nor an "insane" level of work. Didn't Israel do just that with some beepers to blow up children?
And you can even use the GrapheneOS Auditor app to perform a manual verification of the OS.