O2 mobile phones can be used anywhere in UK. The reason for this is simple. O2 network covers 99% of the population and has the capability to carry 40 million calls everyday with less than 1% congestion.
O2 mobile phones can be used anywhere in UK. The reason for this is simple. O2 network covers 99% of the population and has the capability to carry 40 million calls everyday with less than 1% congestion.