Get tech support for your O2 issues

My mobile number associated with another account

whilst trying to log into my account . The email and password work fine. Then I select my phone number to send a text to , which works and I get a code . after entering the code it says this number is associated with another account

Resolved! Esim

Accidentally made my SIM card an esim

Resolved! Stolen phone

Hello, my phone was stolen yesterday. I would like to opt for a new device/plan with O2. How should I go about getting a sim with the same number? Thank you.

Using Samsung S22 in South America.

I am in South America with Data roaming activated and I cannot make or receive calls, text or use the Internet. Can log on to hotel WiFi to use WhatsApp. Please help ASAP. Thanks

Resolved! puk code

i need puk code im locked out of my samsung

Lost roaming in Spain iPhone 6s

Lost roaming in Spain iPhone 6s. Can’t see a 4g option only 5g

Resolved! My O2 android app won't let me log in

My O2 android app won't let me log in, online is fine but app says details don't match?, the details are the same so how can it work on the website but not on the App, I have cleared Cache/Data and uninstalled/reinstalled the app and still nothing?!

Resolved! PUK code

Hi: I need my PUK code but can’t obtain it as you keep saying you’ve sent a code to my phone number but I’m not receiving it…

Resolved! fraud

My phone number and phone is being used for online fraud, how do I block my number from these people. they have hacked my social, email and bank

Roaming

Good evening.We are on holiday now,in Hungary.Why my roaming not working in Europe?We have iPad tablet we have 20GB Internet but in Europe not working,why?Thanks

O2

Forum Posts