Forgot to add that after downloading missing firmware to /lib/firmware/ folder, I used sudo depmod -a command and then reloaded the kernel module (sudo modprobe -r iwlwifi && sudo modprobe iwlwifi).
Forgot to add that after downloading missing firmware to /lib/firmware/ folder, I used sudo depmod -a command and then reloaded the kernel module (sudo modprobe -r iwlwifi && sudo modprobe iwlwifi).