O2 Sim Card - PAYG -PAY AS YOU GO 2G/3G/4G Classic 02 Pay As You Go 321
Note to keep the SIM active there must be a chargable call,text or data used in a 6 month rolling period. 3 in 1 SIM gives the option for Micro, Nano or Standard Sim size. 2G, 3G, 4G & 5G. THE POPULAR O2 CLASSIC TARIFF.