Razer DeathAdder V2 X HyperSpeed Firmware Updater | RZ01-0413

• https://rzr.to/ksj3q1 | July 9, 2025
• Fixed a bug that prevented the mouse from entering Bluetooth pairing mode when its buttons were remapped.

STEP BY STEP PROCESS

1. Make sure the laptop is plugged into a wall outlet and not just running on battery before proceeding.
2. Save all files and close all programs.
3. Download the latest firmware updater.
4. Run the downloaded firmware then click "NEXT" to proceed.

   

5. Plug in the wireless USB dongle to your PC.
6. Click "UPDATE".

   

7. Wait until the update process is complete. Do not interrupt.

   

8. Click "NEXT".

   

9. Switch the mouse to Bluetooth mode.
10. Press and hold the two side buttons and two DPI buttons simultaneously for three seconds. The status indicator will start blinking to show that the mouse is in pairing mode.
11. Activate Bluetooth in your Windows PC settings and select “DA V2 X”.
12. Wait until the mouse pairs with your device. Once paired, the status indicator will briefly turn solid blue.
13. Click “NEXT”. 

    

14. In your Windows PC, go to “Bluetooth & devices > Devices”, then set “Bluetooth devices discover” to “Advanced”.
15. Click on “Add device”, then select “DfuDAV2X”.
16. Click “NEXT”.

    

17. Click "UPDATE".

    

18. Wait until the update process is complete. Do not interrupt.

    

    

19. Click “NEXT”.

    

20. Once the update is complete, click "EXIT".