Hi [NAME], Killer wifi 1535. After scouring the dell forums, I was able to find the solution. There was a post about it (somehow can't find it anymore) where I have to install the Killer wifi driver first. Go to Device Manager --> Select Killer Wifi (had a triangle with exclamation mark on it) -> Update Driver Then select something like "select the driver manually" then go through the menus until you find the Killer wifi driver.  There you will see 3 options -- this is where you have to select the "Qualcomm" version and finish install. Windows can detect the hardware after that. Hope this will help someone who's having the issue.
I'm stuck on Windows 10 1909 (which is nearing the end of its support) because three attempts to update (once for 2004 and twice for 20H2) all resulted in the death of Killer 1535. I have Killer driver version 12.0.0.953, and Dell's check tells me that's current. Any advice?
XPS 8930, Killer 1535, won't work after Windows 10 Update