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 3 days 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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[–] med@sh.itjust.works 1 points 2 days 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 2 points 2 days ago (1 children)

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.

[–] med@sh.itjust.works 1 points 12 hours ago* (last edited 12 hours ago) (1 children)

I have Graphene, and I'll be sticking with it for now.

I think my next step will have to be getting involved with implementing verified boot, because unless every phone suddenly starts shipping with TPMs and open bootloaders, I won't ever be able to switch.

Finding a starting point is half the battle I guess!

[–] erebion@news.erebion.eu 2 points 12 hours ago

There's definitely enough to do, so if you want to contribute in that area, it'd be MUCH appreciated. :)