o2 might be working on a mast in your area @Rooney
Check the guides below if there is anything that helps, but rebooting your phone will (temporarily) fix it.
Guide: How can I sort out my network issues?
Guide: Is the network down for me or everyone?
Please note, this is not customer services and we cannot access your account. Do not publish personal details (email, phone number, bank account).
Link to our guide on how to contact them can be found here
