this post was submitted on 08 Apr 2026
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postmarketOS

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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 1 day 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 1 day 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.