O2 Pay As You Go sim 8GB data. Latest official O2 sims sealed retail packs
IMPORTANT: OUR GOLD NUMBER SIM CARDS ARE NOW AVAILABLE EXCLUSIVELY ON OUR WEBSITE. £10 O2 BIG BUNDLE FREE sim card removal tool. ALSO AVAILABLE: £15 O2 BIG BUNDLE 8GB Data (was 7GB), or 10GB when you auto-renew.