Want a sim only deal for your mobile phone Get unlimited minutes and texts, free roaming in our europe zone and data rollover With great data deals, fantastic rewards and inclusive eu roaming, an o2 sim could be the ideal choice for you.
Best SIM Only Deals from O2 & giffgaff
Find out about o2's benefits, coverage, roaming and rewards.
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Find out about o2 coverage and extra benefits in our helpful guide Find the latest o2 deals right now. Shop our best pay as you go sim deals
