Hi,
Thanks for letting us know about the issue that you are experiencing.
What you are seeing is the Bandwidth Saver feature. If you would like to disable this feature, go into Settings > Nework > Bandwidth saver > Off.
For more information about the Bandwidth Saver, visit our Support page here: How do I use Bandwidth Saver to avoid going over my internet data cap?
Thanks,
Danny
Danny R.
Roku Forum Moderator