Keychron K Pro Series Special Bluetooth Firmware
The purpose of this special Bluetooth firmware is to tackle the signal interruption issue between K Pro Series keyboard and earphone.
The keyboard Bluetooth firmware can be used in all K Pro Series keyboard versions (White backlight / RGB backlight / Barebone)
Note: If everything works fine with your keyboard. Please don’t update the bluetooth firmware. There is a chance it can damage your keyboard.
Upzip the Bluetooth tool and open it
Note: For Mac users, if the Bluetooth firmware tool cannot be opened, please open the system preference and click "Security and Privacy", and click "Open anyway"
Plug the Type-c cable and switch the keyboard toggle to "Cable" mode
Click "Get Version" and the updater will show you the device firmware version.
Download the K Pro Special Bluetooth firmware below and click "Browse" to upload to the tool.
*Bluetooth firmware version 1.31 updated on 29/11/2022
Click “Update" to start the firmware process.
Factory reset your K Pro keyboard (Pressing fn/fn2 + J + Z for 4 seconds) and the issue should be addressed.