this post was submitted on 27 May 2025
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ATH12K Driver Broke my WiFi Module (programming.dev)
submitted 1 month ago* (last edited 1 month ago) by fluffy_hub@programming.dev to c/linuxhardware@programming.dev
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The ATH12K driver is unstable for use with the Qualcomm FastConnect 7800 Wi-Fi 7 High Band Simultaneous (HBS) Network Adapter.

It will break it eventually and if you switch back over to Windows (ew) then you will find the Windows HBS side of you WiFi doesn't work essentially making it a WiFi-6 module and not a WiFi-7 module as the 5G signal will sill work.

I blocked the person below so i can no longer see their comment which offered no help at all and was completely useless. However, a lovely person did comment saying i think i needed the Windows 11 Version 24H2 for x64-based Systems. This information which they provided is correct. You need to update to the KB5058499 update.

Once install you must go the Settings -> Network & Internet -> Advanced network settings -> Network reset. Then click on Reset now button and it will restore the original firm back on to the module. After the restart the module should work as expected.

Edit: This is a complete revamp of the post because i was high as hell when i originally wrote it. I hope this provide more clarity on the situation and details. Have a good day <3

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[–] fuckwit_mcbumcrumble@lemmy.dbzer0.com 3 points 1 month ago (1 children)

How do you know the Wi-Fi 7 capability ever worked in the first place?

It's a Qualcomm wifi 7 device, so it good chance the drivers never worked right in the first place Windows or Linux.

Also OP, make sure you're on 24H2 of windows. Wifi 7 doesn't work well on 23H2 or earlier.

[–] fluffy_hub@programming.dev 1 points 1 month ago

Thank you I did check but unfortunately and i'm soprry to report it didn't resolve the issue. I've contacted the manufacturer for further support support.