My O2 app
View bills, check usage, understand upgrade options and more. Manage your account online with My O2.
Make calls and send texts from your smartphone, tablet or laptop using your O2 number.
Tickets, offers and experiences exclusive to O2 customers. Priority has it all.
O2 World Chat
Make cheap international calls using your mobile. All you need to know about getting and using the app.
Apps and in app purchases
Some apps cost money to download and use. Learn how to guard against unexpectedly big bills
Topics from O2 Community
Can't find what you're looking for?
Give us a moment
We're just checking to see if there's an available agent.