O2 is one of the oldest and known mobile telecom brand in UK. You pay a little higher compared to other networks and get the excellent coverage in return. But things get bitter when you have network problem or poor reception with no data at your place or office.
According to Ofcom's figures, O2's customer service is just above average for the UK's biggest mobile networks (EE, O2, Tesco Mobile, Three, Virgin Mobile, and Vodafone). The number of customers with a complaint was below average last year, and basic satisfaction with the network itself was juuuust above average. O2 is a leading digital communications company with the highest customer satisfaction for any mobile provider according to Ofcom. With over 25 million customers, O2 runs 2G, 3G and 4G networks across the UK, as well as operating O2 Wi-Fi and owning half of Tesco Mobile. Discover Tesco Mobile for the best deals on the latest mobile phones. Browse our SIM only deals, pay monthly phone contracts & pay as you go plans online today. Terms apply - see o2.co.uk/terms. 4G - 4G-ready phone (or device) required. 4G is subject to availability and a 4G SIM and software update may be required. Additional charges may apply for 4G service. See o2.co.uk/coveragechecker to check coverage in your area. Roaming - Call, text and data allowances can be used in our Europe Zone, subject to
Prefixes for UK mobile phones and pagers Standard mobile phone and pager numbers in the United Kingdom, Channel Islands and Isle of Man are eleven digits long and begin with '07'. It is not possible to tell for certain what network a mobile phone is on from its number alone, as numbers can be moved between networks.
See our latest deals on mobile phones, tablets, sims and accessories. Get free delivery, or click and collect from your nearest O2 store. Those that sign up with O2 also get access to events that O2 is sponsoring and most importantly, O2 covers 98% of the UK when it comes to coverage meaning you should never be worrying about signal.
Terms apply - see o2.co.uk/terms. 4G - 4G-ready phone (or device) required. 4G is subject to availability and a 4G SIM and software update may be required. Additional charges may apply for 4G service. See o2.co.uk/coveragechecker to check coverage in your area. Roaming - Call, text and data allowances can be used in our Europe Zone, subject to
Terms apply - see o2.co.uk/terms. 4G - 4G-ready phone (or device) required. 4G is subject to availability and a 4G SIM and software update may be required. Additional charges may apply for 4G service. See o2.co.uk/coveragechecker to check coverage in your area. Roaming - Call, text and data allowances can be used in our Europe Zone, subject to O2 is rated as the best performing network for reliability by GWS and was voted the UK's best Business Network at the Mobile Industry Awards. They were also awarded the uSwitch Best Coverage award in 2018 for the third time. Whether you're in the UK or overseas, buy O2 PAYG top-up online & recharge any O2 number. Stay connected & top-up O2 numbers with Ding. Férový operátor O2 Slovensko. Vyberte si z ponuky výhodných volaní, dátových balíčkov, mobilných telefónov a tabletov v O2 E-shope. Kontrola spotreby, faktúry, dobíjanie kreditu a aktivácia balíčkov v zóne Moje O2.