Applicable Models:
Firmware updater v1.2.20_r1
- https://rzr.to/km1b1b | April 9, 2026
- General Bug Fix
Step-by-step Process
-
If using a laptop, ensure it is plugged into a wall outlet. Do not let it run on battery alone.
-
Save all files and close all programs.
-
Download the latest firmware.
-
Run the updater.
-
Click "Yes" if the User Account Control window pops up to proceed.
-
Click "NEXT" to proceed. The updater will close all running Razer applications.
-
Plug in the wireless dongle into your PC then click "UPDATE".
-
Wait until the update process is complete. Do not interrupt.
-
Click "NEXT".
-
Place both earbuds into the charging case and close the lid firmly.
Note: Do not place the wireless dongle in the charging case.
-
Connect the charging case to your PC using the included USB cable.
-
Click "UPDATE".
-
Wait until the update process is complete. Do not interrupt.
-
Click "CLOSE" once the update is complete.