Unable to install on new Fairphone 4 via Easy/web installers, and security patch dates do not match on latest builds

[mnd]

Here is the guide how I installed with web installer:

Reviews about the Web Installer

It worked! Thank you /e/ developers for making a beautiful installer Who wants to try it, please follow GrapheneOS guide (linked ↑) on how to setup your system, so web installer would work. What I mentioned earlier is not enough, for example, Brave also needs Shields feature to be disabled. Best is to follow GrapheneOS guide directly which is comprehensive for every situation. Improvement suggestions to the installer: Copy GrapheneOS guide on how to prepare the system. They include a…

BUT:
Figuring out the last step how to lock back the bootloader because of not matching security dates is yet in progress⏳