I have had a 3 G contract for 3 years and have no issue. In December I purchased a new computer and have had to upgrade my 3 G to the' little white USB port' (with no booster Arial). I have signed up for a two year contract and cannot get sufficient signal. I work from home and have to walk around the house trying to send and receive emails. I do not have time to spend hours trying to download the smallest emails. I have tried to get a booster and after being sent from shop to shop in Vodaworld (what a waste of money that... read full review »