Bluetooth Firmware -broadcom- Update Version 2.2.3.593 Jun 2026

Yes, surprisingly. While Bluetooth 5.3 and 5.4 are now standard on new devices, millions of legacy laptops and industrial embedded systems still rely on Broadcom Bluetooth 4.0 and 4.1 controllers. Version 2.2.3.593 represents a mature, stable endpoint for those chips. Broadcom has since moved on to newer firmware for BCM4375 and CYW5557x series, but for the BCM20702-based hardware, this is the last truly stable release before end-of-life.

Firmware flashing is inherently riskier than driver installation. A failed update can “brick” the adapter, making it unusable. However, with precautions, the success rate exceeds 99%. bluetooth firmware -broadcom- update version 2.2.3.593

Wrong firmware version flashed. Fix: In Device Manager, go to View > Show hidden devices . If the adapter appears with a yellow exclamation, right-click → Properties → Driver → Roll Back Driver. If rollback fails, use a hardware reset: unplug the USB dongle (or remove the laptop battery if removable) for 1 minute. Yes, surprisingly