postmarketOS

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postmarketOS - a real Linux distribution for phones and other mobile devices 🐧 📱 👩‍💻

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Locking the bootloader (sh.itjust.works)

submitted 1 day ago by med@sh.itjust.works to c/postmarketos@lemmy.world

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I've been looking through the documentation and installation guides for PostmarketOS, and I've noticed there seems to be no mention of locking the bootloader after flashing.

Is that because there's no issue with doing so, or because you can't?

I'm looking at installing on a Fairphone 5, but anyone with any device that's able to share their experience would be appreciated.

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[–] moonpiedumplings@programming.dev 5 points 1 day ago (1 children)

Only pixels let you relock the bootloader after flashing.

Frustratingly, grapheneos only supports pixels because of that.

[–] erebion@news.erebion.eu 1 points 1 day ago* (last edited 1 day ago) (1 children)

That's just plain wrong. Some others also allow it, for example: you could lock a Fairphone.

[–] med@sh.itjust.works 1 points 21 hours ago (1 children)

After installing a different os? So if I installed PostmarketOS, could I lock the bootloader? After looking in to it more, it seems like a pretty clear no.

[–] erebion@news.erebion.eu 1 points 21 hours ago

postmarketOS does not seem to have implemented Android Verified Boot yet and I am not aware of Linux distros that do it.

Have a look at iodéOS, CalyxOS, GrapheneOS if you want that, at least for now.