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A major issue with legacy Broadcom chips was the failure to wake up from system sleep states (S3/S4). This version fixes the power state transition logic. Your Bluetooth devices will now reconnect instantly when your computer wakes up. 4. Security Patches
, which targeted weak encryption and authentication in the pairing process. Peripheral Interoperability: bluetooth firmware -broadcom- update version 2.2.3.593
. This allows the firmware to be uploaded to the device "on-the-fly" by the driver during every system startup or wake-from-sleep cycle. Firmware Format: The update is often delivered as a
Broadcom does not officially support downgrading firmware. However, you may force an older driver (which may contain older firmware) by: This public link is valid for 7 days
: Fixed unexpected drops when using audio devices, wireless keyboards, and mice simultaneously.
Bluetooth technology has advanced significantly since the early 2010s. Broadcom adapters have evolved from Bluetooth 2.0 to versions like 4.0 and beyond. Modern drivers are often installed automatically via and are packaged for newer OS versions like Windows 10 and 11. Firmware updates also incorporate fixes for new security vulnerabilities like CVE-2018-5383, CVE-2019-9506, and CVE-2020-10135 . Can’t copy the link right now
If Windows Update does not offer 2.2.3.593, download it directly from your laptop manufacturer.
In Device Manager, right-click the adapter, choose Update Driver > Let me pick from a list of available drivers on my computer . Click Have Disk , and manually force the software to read the new 2.2.3.593 .inf file configuration.