I mainly use my iPhone and iPad in the house and the connection keeps going down with the wheel spinning - I've checked the hub and the green lights are all on, Now having problems with my tv service , it's going down too - this is my 2nd hub from virgin , the first didn't work at all .
It sounds to me that you're experiencing a bit of wireless interference. Often changing your wireless channel will improve this. We've got a helpful article that will show you how to log into your Hub and make the changes. Please take a look at the article here - Changing the Virgin Media router's wireless channel / frequency when you get a chance.
Please let us know if this helps,
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