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/1/0599/4977/7066/t/3/assets/keychron-bluetooth-updatermac-1669714849369-1671008352128_1200x.jpg?v=1671008353)
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/1/0599/4977/7066/t/3/assets/2-1659343236038-1664025570855_1200x.jpg?v=1664025570)
![](https://cdn.shopify.com/s/files/1/0599/4977/7066/t/3/assets/3-1659343251670-1664025588135_1200x.jpg?v=1664025587)
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/1/0599/4977/7066/t/3/assets/keychron-bluetooth-updaterget-version-1669714980137-1671008417356_1200x.jpg?v=1671008423)
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/1/0599/4977/7066/t/3/assets/keychron-bluetooth-updaterwriting-data-1669715239970-1671009186596_1200x.jpg?v=1671009187)
Step 6
Update completed.
![](https://cdn.shopify.com/s/files/1/0599/4977/7066/t/3/assets/keychron-bluetooth-updatercomplete-1669715316734-1671009299294_1200x.jpg?v=1671009302)
Step 7
Factory reset your K Pro keyboard (Pressing fn/fn2 + J + Z for 4 seconds) and the issue should be addressed.