5G UC 4 bars, "unlimited premium data " but network so congested its unuseable.

I have magenta max for over a year now between 8am and 10pm this my speed I get Check out my Speedtest result! How fast is your internet? https://www.speedtest.net/my-result/a/8343989855.  If I use a VPN it gets much faster but still even with a VPN can't watch any type of video only buffering only thing that works for me is buy a att prepaid 50.00 a month unlimited data sim put it in a old att comparable phone use it as a hotspot connect your t-mobile phone to it and problem solved   t-mobile service is horrible and they block anything and everything after a year of horrible service this is my only working solution that works