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How far is your Roku Ultra from your wireless router? 5GHz, by its nature, is a much smaller wavelength, which makes it harder to get through walls/ceilings. Have you tested the Roku by running a CAT5 cable from it to a port on your router, just to make sure you have bandwidth?
Sorry, there was a problem. Please try again later.It probably is too far from your router. You can try installing a WiFi extender. Doing so resolved a similar problem for me. Or use a wired ethernet connection direct to the Ultra.
Sorry, there was a problem. Please try again later.Hello DydeAnne! This would be an ideal question for our Tech Support Team which can be contacted at: https://support.roku.com/contactus/contact-options
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