Help & troubleshooting for channels on your Roku device, including adding/removing channels, logging in to, authenticating, or activating a channel, channel-specific playback issues, assistance contacting channel publishers to report issues, and adjusting channel-specific settings.
We appreciate your patience regarding this matter.
If you are experiencing multiple channel playback issues on Roku Ultra models 4660, 4661, 4662, and 4670, you may check for a manual update to see if the issue is still occurring.
To check for a manual update, navigate to Home > Settings > System > System Update > Check Now.
Please try doing this and see if it helps with what you're experiencing.