UPDATE for the following Roku player models: 4660, 4661, 4662, and 4670
Thanks for your patience while we investigate the issue.
If you are experiencing channel playback issues on a Roku Ultra models 4660, 4661, 4662, and 4670, we recommend now checking 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.
Roku Community Moderator