If you have not had an email means the order is still processing.
dependant on if contract (will require credit clearance to pass first) before the order has been accepted.
if you want to cancel, call up virgin mobile customer support, numbers are all over the net. Or if you have a virgin landline call 150 pressing option two for mobile. If not call 0345 454 1111 from any other phone, charged at local rates if no included mins bundled.