issues with connection

This started last week, the technicians from the provider have already been here 4 times, they have already changed the modem and router, they will come today to change the cables, but I don't think that will solve it since the internet comes back every morning. Does anyone have any ideas what...

So I have T-Mobile, and I have a phone line in a modem. But I have an issue. My computer uses the Hostpot Data on the line, so once I use the 22gb I get throttled. How do I stop using that Hotspot data, and just use the mobile data? I cant just get rid of the hotspot from my plan. It would get...