Have you tried this - https://www.dell.com/support/article/ba/en/babsdt1/sln306440/killer-n1535-wireless-firmware-manual-update-guide-for-ubuntu-systems?lang=en any luck?
Have you tried this - https:/ /www.dell. com/support/ article/ ba/en/babsdt1/ sln306440/ killer- n1535-wireless- firmware- manual- update- guide-for- ubuntu- systems? lang=en any luck?