Bei mir geht es so und du kannst es gerne anders machen wenn dir das besser gefällt. 
Ventura Plötzlich kein BT mehr
- Funnyland
- Erledigt
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Ok… ich hab’s halt nur so in der Reihenfolge in Erinnerung… hab’s nie anders getestet.. immer mach dem Bild bei der Reihenfolgen gerichtet
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The following serves to enable bluetooth in macOS Ventura 13.4+ for Broadcom & Intel Bluetooth
1. Navigate to the NVRAM > Add > 7C436110-AB2A-4BBB-A880-FE41995C9F82 section in your config.plist file and add the two child items:
Key Type Value bluetoothInternalControllerInfo Data 0000000000000000000000000000 bluetoothExternalDongleFailed Data 00 2. Update BlueToolFixup from BrcmPatchRAM 2.6.7
3. Reboot and Reset NVRAM then boot again normally
The fix is now working for both Intel and Broadcom Bluetooth, but the official acidanthera BrcmPatchRAM needs to be updated first. A test version is available at Github here:
https://github.com/acidanthera/BrcmPatchRAM/pull/28
I attached the BrcmPatchRAM-2.6.7.zip to this post for reference.
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The descriptions are all a bit confusing, as I'm not sure what exactly needs to be done. I downloaded the latest release from https://github.com/acidanthera/BrcmPatchRAM and installed
BrcmPatchRAM3.kext
BrcmFirmwareData.kext and
BlueToolFixup.kext
And my Broadcom USB dongle works in 13.5 Ventura. But do I really need all three kexts? I changed or added nothing else to the config
