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I bought a OLED55CXPUA and the ethernet was only getting 5Mbps using Fast test , and 18Mbps using Ookla test . I get 495 Mbps when connecting ethernet to PC ,so Spectrum said its not their router. I called LG support 3 times and couldn't solve issue , so I returned TV and bought a OLED55CXAUA at Costco. I get exactly the same ethernet speeds. I'm not very experienced with network issues , so I would appreciated any input. I did get an email from LGCareCenter saying "Regarding this one, we have received an update from our specialists. The maximum speed of an LG TV when wirelessly connected to a home network is 1.3 Gbps or 1300 Megabits per second. If 1.3Gbps is supplied via Cat 5 (hardline) speed test may not show that as actual speed available, but please do take note that the unit will only take what it needs to stream or surf the net. If you stream a movie and it buffers, please try to run a speed test using the URL of www.fast.com. If speed shows say 5 Mbps, please check the router settings for Priority settings." Does this sound accurate , I do get about 50Mbps over WIFI so why wouldn't WIFI show the same speed results unless its only ethernet that only takes the speed needed for steaming. I contacted LG support again and they said a tech would have to come to diagnose and if its not a TV defect I would have to pay for service . The TV is only 10 days old.