Get tech support for your O2 issues

ESIM - why do I now have two ‘lines’?

I’ve just installed a new esim and I now have two lines and two sims showing my primary ‘line’ shows my mobile number but I can’t use it to make any calls or get mobile data. I can only receive and make calls and get mobile data using the ‘travel’ si...

No mobile Internet in Malaysia

I have turned on data roaming and tried both auto and manual network selections but it still says that I am out of data from MAXIS, who is the network provider. Even if accept them as ok, I still get a network error. Is there something I need to do s...

Charge to mobile

Can anyone help, I keep getting error messages when I try to charge my apple one subscription and my Xbox game pass subscription to my mobile account.I have spoken to o2 who have said they can’t see any issues with my o2 account.

Help please

I'll try again..but I get no help on here. I have an OPPO A16s phone which has a 4G sim card.Will my phone continue to work once 3G is turned off ?? I have received a text message saying my phone wont work..and when I check the O2 site itself for 'mo...

Resolved! Text received re 4G

Hi I don’t know if I am posting in the right place. My mum has an old style Nokia phone that doesn’t have internet access on. She’s received a text about having to upgrade her phone due to o2 not going to support 3G anymore. Does this mean she’ll act...

Caller id

How do I cancel or change a caller id also called CNAM. I have been given an id I didn’t ask for and nobody recognises.

Accessing MyO2 I just keep receiving security codes which don’t work

Accessing MyO2. I enter username and password. The system then sends me a six figure access security code. I enter the code and hit ‘Continue’. The system then sends me another security code which I enter. Then get sent another code. This then just k...

Resolved! Unable to add Apple watch to my mobile plan

I am trying to add my Apple Watch (Ultra) to my mobile plan. I have tried via the Watch app on my iPhone 16 Pro by going to Mobile Service>Set Up Mobile Service and am then told that "we are setting up your Apple Watch on the O2 network and will text...

Brand new iPhone during setup process has gone into voiceover mode and asking for a passcode.

Hello! had a brand new iPhone delivered today. Held it against my old iPhone and the eSIM swapped over. Suddenly the new iPhone has gone into voiceover mode and is asking for a passcode to which I haven’t even set up on the new device yet. I double t...

Resolved! Changing my internet provider

I have an account Sim only with 02 which started with Virgin media transferring their mobile customers to 02. I have become very discontented with Virgin and would like to change my internet provider, will this affect my 02 account in any way ? I hav...

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