O2 is the commercial brand of Telefónica UK Limited and 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 Wifi and owning half of Tesco Mobile. O2 has over 450 retail stores and sponsors The O2, O2 Academy venues and England Rugby.
O2 are one of the biggest and brightest phone networks in the UK, and through the O2 online store you’ll find great offers on mobile phones, contracts, tablets and much more for personal and business use.
O2 have the latest models from the world’s foremost manufacturers like Apple iPhone, HTC, BlackBerry, Nokia, Samsung, Song and LG among others, available on Pay Monthly and Pay & Go contracts alike. There’s also offers on refurbished phones for great deals on slight seconds and a range of 4G phones to take advantage of the latest development in network connectivity. Compare models easily with their comparison tool and find one with the features and specs you need.
You’re in the right place to get a new tablet too, with low-cost data tariffs to get you online for next to nothing, and plenty of accessories like cases and headphones to kit out your phone.
Whether you’re switching to a different tariff, looking for a new one or just after a SIM card, O2 are the people to see.
Previous discounts from O2
Save 20% off Accessories
I'm a new customer, how can I track my order?
If you've ordered a device from us, it'll be delivered by courier. Once you've received an email telling you your device has been dispatched, you can track the delivery online at My O2 on the My Orders page.
How can I write to you?
You can write to us at our postal address:
Telefónica UK Limited
PO Box 202
My code doesn’t seem to work?
It’s possible you might have entered an expired code - please double check the expiry date. The latest codes are towards the top of the O2 page. If your code appears to be within the validity period then please contact us so we can contact the retailer and see what the problem is.
I’m unable to locate my voucher codes?
When you click on a code, it opens in a new tab or window - usually your browser will automatically switch to the new window for you. However, if it doesn’t please look in the tab next to your current one. Some deals and special offers use bespoke links and have the discount built in and automatically applied when you go through to the retailer’s site.