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No Service

I have two phones, one for each of my children. We returned from Europe where they worked fine, returned to the Uk and all good. Then a few days after returning to the UK both went to No Service within a few hours of each other. The network is fine i...

Resolved! Can't make or receive calls or add to MyO2 account

Inserted unused O2 PAYG SIM into spare mobile phone. Topped it up by £10. It can send and receive texts. If I try to make a call it doesn't succeed. I can't ring it from another phone: I have to leave an O2 voice message and it gets notification of a...

Resolved! sim swap

I have a new o2 sim and I am transfeering from virgin. do i need to put the new sim card in before starting thhe process. I already have a pac code from Virgin

Resolved! Costa Rica - mobile data not working

Hello, I am currently in Costa Rica but my mobile data is not working. I desperately need this to be fixed as we are driving tomorrow and need mobile data to access sat nav. Please could someone advise how to resolve this?

Resolved! Signed up for Virgin Media, now O2 are charging me money

I signed up for Virgin broadband in December last year as they laid cable in my street and frankly I'll be glad to see the back of BT copper. When I was speaking to Virgin on the phone I told them all I wanted was broadband, nothing else, but they in...

3 days without service following porting old number

Moved from Virgin to O2 last week. Temporary number worked straight away but since asking to change to my old number have had no service for 3 days. O2 messaging service constantly unavailable. Have been rebooting my phone regularly to no avail

Resolved! Data Roaming Off Egypt

Hi, two part questionI've been receiving calls but haven't answered any, will I be charged? My roaming is off, I desperately need to make a phone call, but not at £2 a minute. With roaming off will it automatically switch to WiFi calling?