Razer Basilisk V3 Pro 35K Firmware Updater | RZ01-0524

Updated: 19-Jan-2026 | Answer ID: 20610
This is a guide showing the latest version of the Razer Basilisk V3 Pro 35K mouse firmware and how to install it successfully to your system.

Applicable Models:

Firmware updater v2.51.00_r1

Step-by-step Process

  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.

  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.
  4. Select the device you want to update.
  5. Plug in the wireless USB dongle to PC then click "UPDATE".
  6. Wait until the update process is complete. Do not interrupt.
  7. Click "NEXT".
  8. Connect the device to PC using the supplied USB cable.
  9. Click "UPDATE".
  10. Wait until the update process is complete. Do not interrupt.
  11. Click "NEXT".
  12. Click "CLOSE" once the update is complete.

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