Official O2 Sim Card Classic Pay As You Go SIM Card – Standard/Micro/Nano UK
3 in 1 SIM gives the option for Micro, Nano or Standard Sim size. 1 x O2 SIMCARD(3in1 SIM gives Nano/Micro/Standard option). ALL NETWORK SIM CARDS NO LONGER RECEIVE OR SEND TEXT. THE POPULAR O2 CLASSIC TARIFF.