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Find exclusive offers and discover Switch Up, Flexible Superfast 5G Tariffs, Free Roaming & O2 Priority. Stay connected, wherever you are.
Forgotten your username or password? Already an O2 customer? If you've got a Pay Monthly account then we've automatically registered you with My O2 and given you a username and password. Help me sign in. Not yet registered? If you're a Pay As You Go customer here are just some of the benefits of registering: Check your usage and remaining balance.
Tell us what's gone wrong and we'll try to make things better. See how to make a complaint, or take a look at our Customer Complaints Code. Contact O2 today, whatever your query. Chat to us online or on the phone.
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.
With our Classic Plans, you get everything you need, plus exclusive perks on top. Pick an Extra from O2 for up to three months, on us – including Disney+ Standard Plan, Amazon Prime, Audible, Amazon Music Unlimited and Cafeyn. Roam freely at no extra cost in 48 European countries, up to 25GB.
View our full range of mobile phones and smartphones on our ultra fast 5G network. Compare features, offers on contract handsets.
Telefonica UK Limited, trading as O2 (stylised as O 2), is a British telecommunications services provider, headquartered in Reading, England which operates under the O2 brand. It is owned by VMED O2 UK Limited, a 50:50 joint venture between Telefónica and Liberty Global.
