So I've tried calling a couple of times to enquire about this but not really getting a satisfactory answer, so thought I'd try here in case anyone has any experience/advice.I've got the ultimate oomph package (whatever it's called), but I have cancel...

I currently have the Ultimate Oomph bundle, which will soon be coming to the end of contract. If I cancel Virgin, is there a mechanism where I can start to be charged for the unlimited mobile sim without disruption - thereby 'splitting' the bundle?  ...