To ensure you have this version active on a Windows machine: Automatic Search : Right-click the Windows Start button and select Device Manager . Expand the dropdown, right-click your Broadcom adapter, and choose Update driver Search automatically for drivers Manual Verification
3% of laptops required re-pairing of all devices after firmware load due to link key invalidation (expected behavior per Bluetooth specification, v2.2.3.593 enforces new LTK derivation).
Modern firmwares are generally patched against known Bluetooth protocol vulnerabilities. How to Install Broadcom Bluetooth Firmware 2.2.3.593
1,200 Dell Latitude E7470 laptops (BCM20702 chipset), Windows 10 Enterprise 1709. Update method: WSUS with approved driver/firmware package “Broadcom – Bluetooth – 2.2.3.593”. bluetooth firmware -broadcom- update version 2.2.3.593
Broadcom chipsets are the workhorses behind many laptop and desktop wireless modules, often packaged as combination Wi-Fi and Bluetooth cards. This specific version patch is primarily engineered for legacy and mid-generation Broadcom architectures, including:
Extract the files using a tool like 7-Zip or WinRAR. Update Driver via Device Manager: Right-click on Start and select Device Manager . Expand Bluetooth .
How the chip switches between active data transmission and low-power sleep modes. To ensure you have this version active on
| Metric | Pre-update | Post-update | Change | |--------|------------|-------------|--------| | Bluetooth support calls per month | 47 | 12 | -74% | | Bluetooth headset disconnects/hour | 0.07 | 0.02 | -71% | | Unable to pair after sleep | 8% | 1.2% | -85% | | Wi-Fi speed loss during BT active | 38% | 19% | -50% |
Installing this update generally involves replacing the existing Bluetooth driver.
Upon system boot, the host driver (e.g., btwamp.sys , bcmbtfw ) uploads the .hex or .bin firmware file into the controller’s volatile memory. Version 2.2.3.593 replaces older versions (2.1.x, 2.0.x). Critical file locations: How to Install Broadcom Bluetooth Firmware 2
(BCM20702 test): Increased by 0.8 mW under Windows 10 due to more frequent polling for security state checks.
The (often cited in versions like 2.2.3.593.596a) is a crucial driver package designed to enhance performance, particularly for Windows 7, 8, and early Windows 10 systems utilizing Broadcom Bluetooth modules. What is the 2.2.3.593 Firmware Update?
Resolves issues where Bluetooth devices (mice, keyboards, or headsets) would intermittently disconnect or fail to reconnect after system wake-up. Audio Profile Refinement:
: Addresses issues where firmware updates caused "intermittent connectivity loss" by ensuring better alignment with the underlying system drivers. Security Posture
Locate your (e.g., Broadcom BCM43142 Bluetooth 4.0 Adapter ). Right-click the adapter and select Properties . Navigate to the Driver tab to see your driver version.