Razer DeathAdder V2 Pro Firmware Updater | RZ01-03350

Updated: 15-Aug-2026 | Answer ID: 4557
This is a guide showing the latest version of Razer DeathAdder V2 Pro firmware and steps to install it successfully.

A firmware updater is a tool that keeps your gaming gear running at its best. Installing the latest firmware can improve performance, fix known issues, and help devices work more smoothly and reliably.

Applicable models:

Firmware updater v2.05.01_r1

Release notes

  • Improved mouse performance

Follow the detailed instructions below to run the updater on your device.

Step-by-step Process

Before you start

  1. If using a laptop, ensure it is plugged into a wall outlet. Do not let it run on battery alone.

  2. Save all files and close all programs.

  3. Download the latest firmware updater.

Update process

  1. Run the updater.

  2. Click "Yes" if the User Account Control window pops up to proceed.

  3. Click "NEXT" to proceed. The updater will close all running Razer applications.

    Updater initiation window

  4. Plug in the wireless USB dongle to PC then click "UPDATE".

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

  6. Click "NEXT".

  7. Connect the mouse to PC using the supplied USB cable.

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

  9. Click "NEXT".

  10. Click "CLOSE" once the update is complete.

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