Get tech support for your O2 issues

Resolved! Question

How can I change my account number if I want the payment to be made from a different account?

Resolved! Private caller

I am receiving calls from a private number during the night, sometimes up to 19 calls, for the past 2 nights. Is there any way to find out who is calling me?

Resolved! Apple Watch Cellular Issues

Hello, I'm having an issue when trying to set-up the cellular plan on an Apple Watch Ultra 2 I purchased from a third party. I'm hoping someone may be able to help - O2 CS seem to be little/no help (to the point where one of their tech team asked me ...

No Service

My phone was reading no service for a few days, I tried all the resets and no luck. I bought a new phone and still no service - any ideas?

Coverage

I use my O2 mobiles for business. I’m a vet and clients need to contact me in an emergency. Yesterday coverage at my home and office was patchy and the report was mast repair 48hours. Today it’s nearly non existent and the report now says work in are...