Get tech support for your O2 issues

20 year + phone number no longer working

My genie - o2 number ive had more than 20 years is no longer working, how do I contact uk technical team, o2 customer service cant seem to help, must have spoken to 10 different people in different countries apart from uk....i last switched phone on ...

S24 Ultra Charging Issues

Has anyone encountered the issue of their phone connecting and disconnecting every 5 minutes when charging it with a super-fast charging cable?I only seem to have the issue with a type C - type C fast charging cable and have tried multiple different ...

Resolved! E-sim issue

I have recently changed my phone but during the transfer I lost the e-sim. Now I do not have a phone number and cannot log-in into the o2 app because it keeps asking to send text message to the number I do not have access to. I am not currently in th...

Resolved! Error 112 - Adding Apple Watch Cellular

Hi, I have a new Apple Watch Ultra 2 that I bought from a third party and I am trying to go through the steps to add the Cellular plan but I keep getting error 112 and am unable to progress when logging in to O2 via the watch app. I have looked at ot...

International roaming not making calls

Cannot make or receive calls on my phone. Says is dialing but does not connect and phone does not ring for person am calling.

Resolved! Can't text anyone apart from mum

For 2 days now (today & yesterday) I've been having problems with sending texts. I can text my mum no problem (she's on Sky mobile) but I can't text anyone else regardless of what network they're with! I'm gonna pop into O2 tomorrow, but I'd thought ...

No signal abroad

I am abroad I have no signal and thought I had roaming data!

Portugal roaming: No text messages

Hello everyone, I am currently in Portugal and something very strange is happening. - I cannot receive text messages sent from outside Portugal (this means UK services/websites that send OTPs, friends in the UK, etc).- However, I get all messages fro...

Phone number stopped working/Porting problem

My phone number which I have been using for over 20 years has suddenly stopped working on 3rd of April and ever since I called O2 customer services everyday (I have spent a total of 38 hours on the phone to date)Every single customer service represen...

Resolved! iMessage Activation Error

Hi, My iMessage isn’t working with my phone number since starting the porting process from EE on 17/12. I’ve tried all the troubleshooting techniques and still nothing is working. I am also not receiving some texts which is an issue, and I’ve spoken ...

O2

Forum Posts