Ok, so this is a follow up to my last post. So Pilot6 told me to connect my phone to my computer and turn on personal hotspot. Then I booted up to Ubuntu 20.04 to install the drivers by doing:
sudo apt install bcmwl-kernel-source
But it didn't work, because it didn't have dkms, libc6-dev and linux-libc-dev. So I tried to install those three packages and it still didn't work and it outputted an error saying:
E: Package (every package i mentioned) has no installation candidate.
So what should I do now?
Edit: Alright so I did a little bit of researching and found that the error means that I need to install a ppa.