Try tethering your phone over USB. It's how I used to install Gentoo in the past before the system was fully installed and WPA-Suoplicant was available.
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Yep! Just did this and it worked! Just needed to enable hot soon and usb tethering
Had the same issue. I used the live disk and went through the install process with that inserted.
Boot into Mint, pop the live disk in and select the Broadcom driver and proceed.
This is what I am doing and although I am prompted to mount the usb, and it finds the driver there, when I ask it to apply changes it says it can't download the packages whilst offline.
It's very strange because i can install the drivers when testing mint from the USB and also the wifi works when I choose what drive to boot from
Try an Ethernet adaptor and download over that?
Sorry. Forgot to mention that the laptop has no ethernet port
You can get (or borrow) a usb to eth adaptor.
I got this one:
Ah nice! Its just frustrating because I know that the driver must be on the USB stick as Mint has managed to install the drivers when testing.
Yep it’s a bit mystifying tbh. It worked for me following instructions to use the live usb to install the driver. Not sure why it hasn’t worked for you. Maybe wait for someone who knows more than me to respond before shelling out on an adaptor?
It worked by connecting my phone through USB and downloading the driver through that! Just plug in through USB, enable Hotspot, and enable us tethering.
Ah brilliant glad to hear.