The best O2 Sim Only deals in the UK

All Sim Only deals of O2 on one page. The cheapest price plans without a phone. Check the best deals down here.
O2 |
Browse, compare and select your O2 tariff. |
EE |
More mobile for your money. |
OneStopPhoneshop |
Reconnect your handset at OneStopPhoneshop. |
The Phone Spot |
Special offers on a good site better. |