Originally Posted by
BM08
Rang orange and they said they need 3 speed tests each 4 hours apart before they can say anymore

They all seem to ask for that as a standard issue 'fob you off' comment.
I have found that my connection speed fluctuates wildly and can be shit for a few days, then good for a few days.
As said though, as they're cheap it would be worth investing in a new router if you're at all unsure about it.