Contact us
Existing O2 customer
If you're already on O2, simply contact customer services using the number on your bill. Don't know your number? Find it here. If you have an account manager, you can also give them a call.
For all technical enquiries simply call our trained customer service team. Or, if you prefer, you can email O2 data support with your question. We aim to get back to you within 24 hours.
If you are looking to buy accessories for your Xda, please call us on this number 0800 0567 121.
New to O2?
If you're not yet an O2 customer and have any questions about the Xda range, or if you can't quite decide which Xda is for you, just give our team of advisors a call.
0844 202 0202 - if you're buying for yourself
0800 032 1602 - if you're buying for business
Call back
Just fill in your details below and we'll ring you back (UK customers only). Offices open between 9am and 5pm, Monday to Friday.