Mobile phone tariffs on Pay Monthly. Discover our Ultimate Plan, Plus Plan and Classic Plan.

Terms & Conditions: Standard PAYG Rates (including Standard Plus/Ultra) Mobile Standard PAYG Rates (including Standard Plus / Ultra) These rates apply to our Standard PAYG Rate Tariffs from …

For any questions you have about your O2 plan or tariff, use our online help guides – including information on O2 Refresh, Multisave and Device Plans.

Shop pay monthly SIM deals at O2, and enjoy unlimited minutes & texts, speedy 5G, O2 Priority perks, O2 WiFi hotspots, and more.

Feb 6, 2025 · We always want to make sure you're on the best tariff. So, we'll let you know about your available options before your minimum contract or airtime term ends.

Available on selected phones, flexible tariffs let you change your airtime tariff up or down to a selection of tariffs, once a month, throughout the length of your contract.

Find information on O2's Bolt Ons for Pay Monthly plans. Different Bolt Ons available to help you get the most out of your mobile.

Jun 5, 2025 · Find out everything you need to know about Ultimate Plan from O2 – what's included, who's eligible to sign up, and what you need to do to get an Ultimate Plan.

Find exclusive offers and discover Switch Up, Flexible Superfast 5G Tariffs, Free Roaming & O2 Priority. Stay connected, wherever you are.

If you're a Volt customer or you're on a Plus Plan, you’ll get inclusive roaming in 27 destinations outside Europe with our O2 Travel Inclusive Zone. This gives you unlimited minutes, texts and data roaming …