墨色之银
墨色之银
It might be your Bluetooth card is still alive, and the firmware is sill in the card. It’s the principle of RAMUSB.
I heard that in macOS the Bluetooth driver is a universal edition. It means you can use Bluetooth even if the card isn’t Broadcom card. But the Brcm one will...
Sorry I don’t know whether there is a way to inject intel Bluetooth firmware. Maybe this kext could do this ... ?