Choose a topic Phones, sims and devices Pay Monthly Pay As You Go Digital services Account and billing Network coverage and international Apps Safety and security Top COVID-19 links Find out more about our COVID-19 approach Problems paying your bill How to pay What is a Spend Cap? Billing Understanding your bill Your bill Why is my bill higher than expected? Add a Bolt On Key topics Have you received a scam email, text or call? How do I activate my sim? Where can I change my details? I want to keep my number Other ways to get help Visit My O2 Manage your account, see your bill, check your upgrade date and more. Go to My O2 Ask the community Get the answers to your questions from our O2 Community. Go to O2 Community Download the My O2 app To check your data and manage your account from your phone. Find out more Network coverage Find out about coverage and network problems in your area. Check coverage Device help Get up and running with troubleshooting tips. Find answers Business assistance Keep your business connected with our support. Get business help Need more help? Find the best way to get in touch. Contact us