For some reasons current Ubuntu 22.04/24.04 LTS with Linux kernel 6.8 doesn't support the Intel AX211 Wi-Fi module, so we need to use

the backport-iwlwifi drivers to make the Wi-Fi work.

As we need do download the Wi-Fi driver and firmware from the internet, so you need a USB ethernet adaptor to access the network.

Follow the steps below to download the Wi-Fi driver:

$ sudo apt update
$ sudo apt install -y git build-essential gcc-12
$ cd ~/Downloads
$ git clone git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/backport-iwlwifi.git -b release/core91 --depth=1

Build and install the Wi-Fi driver:

$ cd ~/Downloads/backport-iwlwifi
$ make defconfig-iwlwifi-public
$ make -j10
$ sudo make install
$ sync

You also need to follow the steps below to update the Wi-Fi firmware:

$ wget https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/plain/iwlwifi-bz-b0-gf-a0-94.ucode -P /tmp
$ wget https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/plain/iwlwifi-bz-b0-gf-a0.pnvm -P /tmp/
$ sudo cp /tmp/iwlwifi-bz-b0-gf-a0* /lib/firmware/
$ sync

Then you need to reboot your device to take effect.