The O2 Pay As You Go SIM Card is the ideal solution for someone who doesn't want to be tied into a long term contract with a network or provider. Connect with O2 instantly once you've slotted the SIM ...
DisadvantagesCall-to-call rip offs
Advantagesgreat rates and offers, good network coverage, good customer service online
Disadvantagescostly when used abroad
AdvantagesLots of offers.
Disadvantagesno more than any other network