Get tech support for your O2 issues

Resolved! All my data vanishes overnight

Hi I have had a 15GB per month contract for 2.5 years now and have never used the whole data allowance. On Sunday I received a new phone through my insurance company - I say new - it’s clearly a refurb unit. This was more or less at the start of my d...

Can make or receive calls

My account is paid up and all fine but I cannot make calls out or receive them on my iPhone 11. When, as advised, I turn the phone off and on again, I can receive one call. It then goes dead again. Any advice?

Resolved! PAC Number Changeover

Hi. Do I need both my old and new phones to be turned on for the number port to take place? I moved to o2 from EE and supplied my PAC, the number is due to port today. Unfortunately my old phone is in for repair as it won't turn on. When I call the n...

Resolved! Mobile internet issues

Hi I’m having issues connecting to the internet When on 4g or 5g. it shows as having 4g signal but is very slow to connect.

Resolved! Regarding Calling and internet problem

Hello I am facing a problems with O2 from yesterday. The signal is full but when I try to call someone its automatically cut but I recived calls but I dn't call anyone. Moreover I unable to use internet when I try to turned it on I unable to see 4G o...

Resolved! Cancelled contract and signed up for a Sim deal ...

So I cancelled my o2 contract and thought I would look around for a decent sim deal. Ironically the best sim deal I could find was also with o2 via comparethemarket.com. When going through the process it asked me if I needed a new nano sim which I sa...