O2 Sim Card 20GB £10 A Month Contract Free Huge Data LATEST OFFER OFFICIAL 20p
TRIPLE SIZE SIM. MICRO & STANDARD & NANO SIM. ALL IN ONE SIM. Earn cash back when you top up with O2 Rewards and. LATEST OFFICIAL. + 500 International minutes to 29 Countries. £20 = 60 GB INTERNET + UNLIMITED TEXT & UNLIMITED CALLS.