Love your mobile? Hate your tariff? Then keep your mobile phone and get yourself a new tariff with O2 Pay Monthly sim card. Get O2’s best ever deals from only 15 per month! Great value for money with the lowest ever pay-monthly rate. Even receive O2 treats, including free text messaging, minutes and much, much more every month (contact O2 for details) You’re not even committed to a long term contract, as you can cancel at anytime giving just 1 months notice. So keep the phone you love and stick to what you know, but still get the great value for money of a contract every month. The O2 pay monthly sim card is designed to give you the flexibility of more minutes and texts each month than on pay as you go set ups. Just simply put the card in your existing phone then chat and text away! Please check that your handset will accept O2 SIM cards before purchasing.