I got same replies as Gorf! Apparently 4G is only available for business users at the moment. It's a pity as VM use EE which has 4g. I just tested my new V I V I D 200 Optical Fibre on my Samsung Note 5 and it's brilliant!
Samsung UE55HU8500 Curved 4K Ultra HD 3D Smart TV; Samsung WAM250 Wireless Audio Hub; 2 x Samsung M5 Medium Wireless Audio Multiroom Speakers; Onkyo HTX-22 HDX 5.1; Sky HD+ Box; VM Tivo (+ add box); WD TV Live Hub Media Centre 1Tb; Samsung BD ES6000E; Bose Wave Music System ll with Wave iPod dock; Chromecast; iPod Touch; SG Note 10.1; SG Tab S 8.4" LTE; SG Note 5; VM BB 200Mb;