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.
Step 1
Upzip the Bluetooth tool and open it
![](https://cdn.shopify.com/s/files/1/0568/8514/9779/t/3/assets/keychron-bluetooth-updatermac-1669714849369-1672389355727_1200x.jpg?v=1672389356)
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"
![](https://cdn.shopify.com/s/files/1/0568/8514/9779/t/3/assets/2-1659343236038-1672389377751_1200x.jpg?v=1672389377)
![](https://cdn.shopify.com/s/files/1/0568/8514/9779/t/3/assets/3-1659343251670-1661911610195_1200x.jpg?v=1661911611)
Step 2
Plug the Type-C cable and switch the keyboard toggle to "Cable" mode
Step 3
Click "Get Version" and the updater will show you the device firmware version.
![](https://cdn.shopify.com/s/files/1/0568/8514/9779/t/3/assets/keychron-bluetooth-updaterget-version-1669714980137-1672389412417_1200x.jpg?v=1672389412)
Step 4
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
Step 5
Click “Update" to start the firmware process.
![](https://cdn.shopify.com/s/files/1/0568/8514/9779/t/3/assets/keychron-bluetooth-updaterwriting-data-1669715239970-1672389506000_1200x.jpg?v=1672389506)
Step 6
Update completed.
![](https://cdn.shopify.com/s/files/1/0568/8514/9779/t/3/assets/keychron-bluetooth-updatercomplete-1669715316734-1672389543272_1200x.jpg?v=1672389543)
Step 7
Factory reset your K Pro keyboard (Pressing fn/fn2 + J + Z for 4 seconds) and the issue should be addressed.
Note: After you finish the steps above, please go to your device Bluetooth settings > select the keyboard and remove/ delete/ unpair it and re-pair it with your device .