O2: Great for roaming.
Perhaps the biggest perk of being on the O2 network right now is inclusive EU roaming. While the rest of the major UK networks now charge, O2 is still offering free EU roaming up to 25GB.View Deals
iPhone deals on our great range of new and refurbished iPhones.
† RPI+/CPI - Each year, your Pay Monthly airtime tariff will be adjusted according to RPI+ (O2) or Consumer Price Index (Three & Vodafone) rate of inflation. Your bill will be adjusted in April by the rate announced in January (Three & Vodafone) and February (O2) that year plus 3.9%.
All pay monthly offers subject to security and credit check. Charges will apply for paper billing. Charges may also apply for non-Direct Debit payment. Promo codes cannot be used in conjunction with any other offer. Full Legals.
Advertised 4G and 5G speeds are available in selected areas. Exact speed depends on location and number of users. Check coverage using the link in the shopping basket before buying.
Unless otherwise stated, cashback incentives are provided by ourselves and not the Network provider or third-party. Full details are in our T&Cs.
All products bought on our website are provided by ourselves, not the network, and are subject to our full T&Cs.