Some people have to have the last word,
but they don't actually want you to stop talking,
as they like the sound of their own voices too much.
NoBrain2 (10-03-16)
3 say in the t&g that they dont allow it but plenty of people do it anyway and never get caught
You should be able to hotspot with 3, I know it's against their terms of service but most people do it (myself included) However I know that certain phones that 3 sell do not have an option to hotspot so if you bought a new one from them that may be why.
Otherwise you should be able to
FUCKING STAR WARS
I tried it with three and was restricted, seems they can track it as laptop and phone work on different system, can you use a mobile phone sim in an unlocked data dongle and plug into usb port of laptop as never tried that