Compare O2 SIM card Deals
A “SIM only” arrangement enables you to keep your existing phone but change your network and deal. The big advantage is that the margin usually used to fund the handset in a conventional contractual arrangement is used to fund the line rental instead, so that you end up paying a very low line rental for your contract. A SIM only deal also enables you to take advantage of new network offers while retaining the same handset.
An increasing number of mobile phone users are choosing to connect via a SIM only arrangements, with more people switching from Pay as you talk and realising what great value SIM only can offer.