Comment 3 for bug 2040106

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Andrzej Stencel (andrzejste) wrote : Re: Intel wifi and bluetooth firmware broken after upgrade to Ubuntu 23.10

I had the same problem and I was able to fix this on my machine using guidelines from @joepadmiraal - thank you!

Here are the steps I followed:

1. I went to to https://cdn.kernel.org/pub/linux/kernel/firmware/ and downloaded https://cdn.kernel.org/pub/linux/kernel/firmware/linux-firmware-20230804.tar.gz file into /home/andrzej/Downloads.

2. I unpacked the downloaded file into /home/andrzej/Downloads/linux-firmware-20230804

    tar zxvf ./linux-firmware-20230804.tar.gz

3. I created a backup directory /home/andrzej/lib-firmware-backup.

    mkdir /home/andrzej/lib-firmware-backup

4. I backed up Wi-Fi firmware files.

    sudo mv /lib/firmware/iwlwifi-* /home/andrzej/lib-firmware-backup

5. I copied Wi-Fi firmware files from downloaded archive into /lib/firmware.

    sudo cp /home/andrzej/Downloads/linux-firmware-20230804/iwlwifi-* /lib/firmware

    Note that the files in /lib/firmware are compressed (they have *.zst extension), and the files the downloaded archive are not compressed. This is not a problem; I just put uncompressed files in /lib/firmware and things worked fine.

6. I backed up Bluetooth firmware files.

    sudo mv /lib/firmware/intel/ibt-* /home/andrzej/lib-firmware-backup/intel

7. I copied Bluetooth firmware files from downloaded archive into /lib/firmware.

    sudo cp /home/andrzej/Downloads/linux-firmware-20230804/intel/ibt-* /lib/firmware/intel

After restarting the machine, Wi-Fi and Bluetooth are back.