If you have the Ultra variants with the built-in Ethernet ... Insert the USB-A cable of the adapter to your Roku's included power adapter. Power on the Roku by connecting the power adapter to ...
If your Roku device is connected to an AC adapter, unplug it from the power source and shut down ... How to turn off the Roku 4K, 4K+, and Ultra If you own a Roku Ultra or either of the 4K ...