Xbox live

I never had this problem with you guy till this update I can’t even play Xbox it’s crazy I’m about to go to a different provider cuz I can’t play lag all the time 60 to 70 ms latency it’s crazy I called you guys 9 times and had every one come out to look at it even the top guy in pa came out and checked on it works great on a computer but Xbox you guys can’t figure out how to connect to there servers this is getting crazy with no answers when I keep calling