Razer BlackWidow V4 Pro 75% Firmware Updater | RZ03-0513

Updated: 24-Sep-2025 | Answer ID: 14649
This is a guide showing the latest version of the Razer BlackWidow V4 Pro 75% firmware update and how to install it successfully.

Applicable model:

Firmware Updater v1.3.0_r2

  • https://rzr.to/jnje7t | August 11, 2025
  • Fixed first few keys that do not get registered upon pressing to wake the device from sleep in 2.4 GHz mode.
  • Fixed mouse cursor movement Macro speed that is slow.
  • Optimized code to prevent OLED startup animation from being overwritten by accidents.

STEP-BY-STEP PROCESS

Before you start

  1. If you are using a laptop, ensure it is plugged into a wall outlet and not running on battery before proceeding.

  2. Save all files and close all programs.

  3. Download the latest firmware.

Update Process

  1. Run the downloaded firmware then click "NEXT" to proceed.

  2. Plug the wireless USB dongle into your PC and click "UPDATE".

  3. Wait for the update to complete.

  4. The wireless USB dongle is now updated. Click "NEXT".

  5. Set the mode switch to "WIRED" and connect the keyboard to your PC using the supplied USB cable.

  6. Wait for the update to complete.

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

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