Wifi and bluetooth won't work on surface

[meanruse]

Possibly useful (or not):

Marvell 88W8897 - WIFI not detected

So basically I've used Garuda-Linux for over 4 Months on my Surface Pro 4 and the OS refuses to detect my WIFI-Card. I've tried everything, any other arch based distro does not recognise the card either. I had to use an external usb wifiadapter, until it got stolen. My surface uses Marvell AVASTAR Wireless-AC Network Controller. I couldn't find any drivers for Linux online. For some reason after on ubuntu the wifi works perfectly fine. Installing headers did not work either. I have spend so m…

Microsoft Surface Book 2 - ArchWiki (wifi section – but is this a 2 or 3 or 4?)

linux-firmware package 20220119 update breaks WiFi support on Surfaces with Marvell network devices · Issue #759 · linux-surface/linux-surface · GitHub

and maybe Surface Pro 3 Wifi - Support - Manjaro Linux Forum

In case this is what you googled already, it would help to know what did not work.