Short answer: No official one.
If the device shows “Unknown USB Device (Device Descriptor Request Failed)” – check your USB/internal connection or disable fast startup. Atheros Ar5bbu12 Bluetooth Driver
Longer answer: Try the Win8.1 driver (dated around 2013) or use the generic Qualcomm Atheros Bluetooth 4.0 + HS driver. Many users report it works after manually selecting from the driver list. Short answer: No official one
#AtherosAR5BBU12
Has anyone gotten this chip working reliably on Win11 24H2? Looking for real-world experience. community help groups
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