[ThePowerOfFuet]

You should not leave your bootloader unlocked if you care about the security of your device and data.

Unfortunately, locking (and unlocking) it wipes user data, so it should be relocked right after installation of GrapheneOS.

[didntcheck]

Don't most phones only wipe on unlock?

Also can Graphene still update if the bootloader is locked?

[ThePowerOfFuet]

The Pixels wipe on both lock and unlock.

Yes, it can still update just fine. It installs its own certificate at install time and all updates are signed with it.

[ravenstine]

I acknowledge that.