Find exclusive offers and discover Switch Up, Flexible Superfast 5G Tariffs, Free Roaming & O2 Priority. Stay connected, wherever you are.

Get help and support with all the things that matter most to you – from understanding your bill and using your phone abroad to managing your O2 account online.

Jun 30, 2025 · Sign into My O2 for an easier way to keep an eye on charges, check your allowances and manage your bills – and find out how to change your login details.

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

Check your data and allowance and find out when you can upgrade with the new My O2 app for iPhone and Android.

At O2, we have a range of Flip and Foldable phones available. Whether you're looking for the new Samsung Galaxy Z Flip7 or the Google Pixel 9 Pro Fold, you can shop our range of deals and …

Find O2 offers on iPhone, Samsung and more. Reduce your monthly bill by spreading the cost up to 36 months. Flex your data up or down monthly on Pay Monthly devices.

Get help with everything to do with your O2 account – with information on your billing and usage, how to use My O2, and what to do if you're looking to upgrade.

Feb 11, 2025 · But, if you’re experiencing O2 network issues, we’re here to help. Get useful advice on what may be causing problems with your O2 service – as well as practical tips on what you can do.

Aug 27, 2025 · The number you want to keep is now live on the O2 network. If you haven’t already, place your O2 SIM in your handset and you’re ready to go. Switching usually happens by 4pm but …