What do I need to do to make Firefox functional?

[FranklyFlawless]

@Pictel

What do I then need to do?

You can use @Emma’s script from this thread:

Mobile-Friendly Firefox Customizations for Librem 5

Introduction: I have been working with CSS (cascading style sheets) to make Firefox more mobile-friendly for the Librem 5, and I think that I finally have something really nice to show off here. There are several different options available, some are similar to the Firefox mobile apps for Android and iOS. Much of the code is conditional so that when the Librem 5 is rotated into landscape mode or connected to an external display, tv, or lapdock (like the NexDock) the mobile style reverts to the t…

@Pictel

As a bonus question, can other browsers be downloaded like Brave or Tor?

I do not know about Brave, but Tor Browser does not support the Librem 5 just yet. Librewolf should be supported, and other browsers can be downloaded.

@Pictel

Is that list still relevant or have there been changes?

Relevant as of February 4th, 2024, but there are other apps not listed.