No internet since standalone 5g update

Is anyone else having home internet problems since the 5g standalone update? I've contacted customer support twice and was told don't worry in 60 days it will be fine. It's not fine. My speed is average. 30! I can't get my email, can't access my online accounts, can't get my face time telehealth visits. This is maddening. Before this update i was getting 175 mbps average.