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Incoming calls show no caller ID

Hi, I have an issue with all incoming calls showing as no caller ID or unknown. It has happened since I changed my iphone and contract with O2 last week. Numerous phone calls to O2 have got nowhere so far and multiple sim swaps and phone resets have ...

Resolved! how to delete a wrong account name

how do i erase a wrong account name from my o2 account

call waiting

How can call waiting be turned on for my device

Resolved! Signing out of my online account on my laptop?

I can't find the 'Sign Out' option on the O2 website. Can someone tell me where I find it or how I do it? Thanks UPDATE: I've found it

Resolved! Not receiving security texts

I've been migrated from virgin to O2 a couple of days ago. I'm not receiving the security texts asking to confirm its me when I access my profile. My number appears correctly and it says it's going to send me two texts but nothing arrives even when I...

Bill

Why is my bill so high?

emails

Since 30/07/23 I have been unable to get emails on my mobile phone. I can send emails on my mobile phone but cannot receive them. Can you help please

Phone freezing

My phone keeps freezing since I got just under a month ago. At first I thought it was the apps however I have no more apps than I previously did on my old phone and I have since deleted a few. The phone is really slow at times. Is there a way I can r...

New phone won’t transfer number across properly

I was told to change number in settings and in Apple ID but it won’t allow me to the phone seems to now be locked to the number that came on the sim (was an existing o2 number sim only account on a tablet) that came with new phone and I can only dele...

Mobile connection

Good morningFor the past 2 months, I have been unable to use my mobile phone to make calls. I reported this to my company some 4 weeks ago, which was acknowledged. Since then I have had weekly text updates telling me there is a fault on your mast and...

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