Razer Kaira HyperSpeed (Xbox) Firmware Updater | RZ04-0448

Updated: 08-May-2026 | Answer ID: 20664
This answer provides the latest firmware version for the Razer Kaira HyperSpeed (Xbox) | RZ04-0448 and steps to install it successfully.

Applicable Model:

Firmware updater v1.02.01_r1

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.

Update process

  1. Run the updater.

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

  3. Plug in the wireless dongle to your PC.

  4. Power on your headset. Click "UPDATE".

  5. Wait for the updater to complete the process.

  6. Unplug then replug the wireless dongle to your PC. Power on the headset to finish.

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

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