A Pay As You Go SIM is the perfect way to get a SIM without being tied down to a contract. Instead of paying a fixed monthly fee, you top up your SIM card with credit, which you can then use for calls, texts, and data.

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

We have amazing O2 sim deals for pay monthly contract, pay as you go sim offers, tablets and dongle data sims as well as international sims from 1p per minute to landlines and mobile phones.

Want a SIM only deal for your mobile phone? With great data deals, fantastic rewards and inclusive EU roaming, an O2 SIM could be the ideal choice for you.

Als O 2 Kunde kannst du eine neue SIM-Karte einfach online bestellen und aktivieren. Ganz egal, ob es sich um einen Neuvertrag, einen Kartentausch oder eine Zusatz-SIM handelt. Oder du hast ein eSIM-fähiges Gerät und den passenden O 2 Tarif dazu? Auf unserer Service-Seite erfährst du alles, was du darüber wissen musst.

Compare the best O2 SIM only deals which includes minutes, texts and mobile data for a monthly fee without a phone. O2 SIM only deals are normally cheaper than a traditional mobile phone contract.

Feb 1, 2022 · Compare O2 SIM only deals. Find all of the cheapest prices and best plans currently available from this major network.

We list the best of what's available on O2's SIM only this month, after comparing each plan with other UK mobile networks. Last updated: 10th March 2025.

Compare O2 mobile and SIM only deals. Find out about O2 coverage and extra benefits in our helpful guide. Find the latest O2 deals right now.

Compare SIM-only deals on O2, including cheap SIM deals and SIMs with high data, and find the plan for you.