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I've installed Debian Jessie to dual-boot on a Macbook Pro 12,1. So far, I haven't been able to set up my WiFi drivers correctly. I've followed the instructions here in this way:

  1. Found my chipset using the table on the documentation above.

    BCM43602 14e4:43ba

  2. Downloaded necessary .bin files by cloning the repository and moving the files for my chipset (brcm/brcmfmac43602-pcie.bin and brcm/brcmfmac43602-pcie.ap.bin) into /etc/firmware/brcm.

I haven't done the step that reads:

For SDIO driver you need to copy the nvram for your system and place it in /lib/firmware/brcm.

The reason is because I don't think the computer would be using the SDIO driver, but rather the PCIE driver. I'm not sure about this. A secondary reason is that I could not find the nvram file in /sys/firmware/efi/efivars after mount -t efivarfs none /sys/firmware/efi/efivars.

On rebooting, the driver appears not to be working. Any ideas?

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The notes for the chip BCM43602 say:

Supported in 3.17+.

You probably have an older kernel. Check by running:

uname -r

If this is the case, update your kernel to >= 3.17 and everything will work properly.

Updating your kernel

You can update your kernel by adding jessie-backports to your sources list. Open up /etc/apt/sources.list and add:

deb http://httpredir.debian.org/debian jessie-backports main

Save, then determine which kernel you want to install:

apt-cache -t jessie-backports search linux-image

Then, run the following, replacing VERSION with the kernel version.

apt-get update
apt-get -t jessie-backports install linux-image-VERSION
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