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 week 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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[–] hornedfiend@piefed.social 1 points 1 week ago (1 children)

i think it's simpler than that. It merely stores the latest security update you had when you locked your bootloader and doesn't allow you to rollback to an earlier version,but anything newer - regardless of the ROM being official or eOS/iodé , would allow you to relock it.

TLDR: flashing ROM security patch version > your existing security patch version.

[–] oddsys@lemmy.world 1 points 1 week ago

Partially true, this applies to signed boot loaders, postmarketos can't be locked like e/os or the default distro by FP