1st I was having ongoing issues with incredibly slow speeds to only my Apple TV 4K for more than a month. Speed tests in the exact same room on my iPhone or iPad or MacBookPro were 100 Mbps vs 1. After rebooting my Nighthawk XR500 did nothing, I unplugged & it’s at least streaming now. However, this morning I couldn't get anything YouTube related to work (YouTube or YouTube TV) on any device on WiFi. I also couldn't get even the App Store to load. On LTE, it worked fine. Also had a number of Chrome websites tell me DNS_PROBE_FINISHED_NXDOMAIN for awhile. I also had Twitch streams continuously cutting out while trying to watch them. There are no firmware updates and only one other person was using the internet in the house which was on Yahoo!. I’m really getting fed up with this router...
Your Twitter Support stated I may have severely throttled the connection or put a high bandwidth application into Traffic Prioritization however no one else was using the internet except for Yahoo! News. Please help because this is not enjoyable.
These are the screen shots of my QoS which your Twitter Support asked that I include.