Topping up a preloaded 90 Day 15GB Data Only SIM?
HelloI have a preloaded 90 Day, 15GB, data only SIM purchased from Argos. The 90 Day period ends in 17 days (My Vodafone account says it ‘resets in 17 days). The SIM still has 12GB of data left on it.I have tried to find out how I can top-up the SIM ...