Get tech support for your O2 issues

Resolved! My O2 app is not working

I created O2 account few days ago. Then I downloaded and installed O2 app for an advertisement. Then I tried several times to login. I couldn’t logged in. And I got this pop up message. “Oops. My 02 isn't available to you yet.If you're new to 02, it ...

New customer number

hello,i bought a plan yesterday as a new customer and asked to keep my number as I requested my PAC to my previous network provider. However this was not taken into account and I have a new number. I’d like to keep my old one

esim

just upgraded both my phone and watch, now have s24 ultra and watch 7. im wanting to know how i register an esim on my watch, as ive already once by mistake registered it on my phone

Cannot use new e-sim

I have requested a new e-sim but I can't access the My O2 app on my phone because it is a new phone and I have no mobile service so I can't receive the security code via message to get in. Therefore, I have no way to get any mobile service on my new ...

sim not working

message on phone ********* says insert sim .this done and phone still will not work. can you send me a new sim [Mod edit: Please do not share personal details as your posts are visible to the public. Thanks!]

Sim still active after transferring

I left O2 and went to Vodafone. My new Sim is working but so is my old O2 Sim, my iMessage and FaceTime won’t activate and it says in my settings that my number is unavailable for iMessage and FaceTime. I’ve done troubleshooting with Vodafone and App...