Please reply here with the serial number of the Roku device associated with the affected remote. It can be found at the back or underneath the player itself. I'll be able to further assist you from there.
Could you tell us first about the issue you're experiencing? Have you tried the troubleshooting steps suggested in this Support link: How to fix your Roku® voice or simple remote that is not working? Please reply here as well with the serial number of your Roku device. It can be found at the back or underneath the player itself.
