Razer DeathAdder V2 Firmware Updater | RZ01-03210

Updated: 22-Sep-2025 | Answer ID: 4555
This is a guide showing the latest version of the Razer DeathAdder V2 Firmware update and how to install it successfully.

Applicable Models

Firmware v1.04.01_r1
  • https://rzr.to/XhZ6cS | December 22, 2023
  • Added support for Nvidia Reflex Latency Analyzer
  • Fixed an issue where the onboard profiles are reset if the mouse is unplugged and re-plugged immediately after switching profiles

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 any open documents on your computer and close all other programs before attempting the update.
  3. Download the latest firmware updater.
  4. Run the updater as shown below:
  5. You may be prompted to confirm changes on your device by the User Account Control. Click "Yes" to confirm these changes.

  6. Click "NEXT" to proceed. The installer will close all running Razer applications if you have not done so yet.

  7. Connect the device to the computer and then click "UPDATE".

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

  9. When the update is complete, click "CLOSE".

Is this answer helpful?