The update of Broadcom Bluetooth firmware to version 2.2.3.593
The btusb kernel module did not initially recognize version 2.2.3.593’s HCI revision number. Users had to manually patch: bluetooth firmware -broadcom- update version 2.2.3.593
Important assumptions and notes
Appendix: Technical Validation Script (Windows PowerShell)
Use to confirm firmware version post-deployment: The update of Broadcom Bluetooth firmware to version 2