It sounds like you’re referring to a Broadcom Bluetooth firmware update (version 2.2.3.593). This is likely a driver/firmware package for a Broadcom-based Bluetooth adapter (common in laptops, USB dongles, or embedded devices).
Original Distribution: This update was released around May 2010 as a utility for Sony-specific models such as the VAIO VPCB and VPCCW series . bluetooth firmware -broadcom- update version 2.2.3.593
Broadcom Corporation (now part of Cypress Semiconductor and subsequently Infineon Technologies) has been a dominant supplier of Bluetooth and combined Bluetooth/Wi-Fi (combo) chipsets for over two decades. Their firmware is integral to millions of laptops (Dell, HP, Lenovo, Apple pre-T2), desktops with USB dongles, and embedded systems. It sounds like you’re referring to a Broadcom
. This update is part of the maintenance cycle for the WIDCOMM Bluetooth stack, which facilitates communication between the operating system and Bluetooth hardware. Key Technical Details Target Devices Version: 2
Agreement: Read and accept the End User License Agreement (EULA).
Technical Specifications