We have a firmware updater available that might fix that issue for you! You will be required to download it to a Windows PC before you can use it to update your Razer Raiju Ultimate controller. Please see the table below as reference for the latest versions and download the latest firmware for your unit.

Current Firmware Latest Firmware
v1.00 or v1.01 v1.03
v1.04 v1.05

You can watch this demo video to see how it's done.