hi , i run a hd sky box thats ok(speedwise) , i got a firestick upstairs that downloads at about 36mb/s and a vu solo 2 tuner box that will only download at 4 mb/s either on cable or wireless,,if the box is used in my brothers house on his plusnet he got 67mb/s,,but on my plusnet fibre its only 4mb/s , ive changed ethernet cables, tried wireless,, its doin my head in ,,, any thoughts