I checked all this as well and no improvement. I just bought a Asus
router and I'm getting the expected speeds now. It's a bummer but I
couldn't keep working with poor Wi-Fi speeds. 路
I am having the exact same issue. Called Google support and they were no
help. Going to buy an Asus router to replace my Google Wifi. I pay too
much for Internet to have it bottleneck to such terrible speeds.