Get tech support for your O2 issues

Phone will not connect to 4G or 5G networks

Hello, Noticed on my commute this morning my personal phone on O2 wouldn't connect to any 4G or 5G network, it either had no signal, 3G (where available) or 2G. My work phone, also on O2, was either on 5G or 4G for the entire morning. I tried calling...

I too cannot receive or send calls

I currently can’t receive or make calls on my O2 enabled phone. Started around 8 pm this evening. Help !

All incoming calls appearing as “no caller ID”

Hi all incoming calls are coming through as no caller ID I have had my network reset. When calling o2 they have suggested issues with my account. So the email when joining was changed as it was the same as an old account. More recently my password wa...

PAC code - 3 weeks and getting nowhere!!!

Can someone advise me best person at O2 to contact regarding on ongoing issue I’m having trying to get a PAC code - it’s been 3 weeks and multiple promises broken of calls back and emails (not one received!) also hours spent on the phone to o2 - goin...

Resolved! Recieved text saying NC09A19864 is expiring?

Hi I've received a text from 02 saying " just letting you know your NC09A19864 will expire on 02/07/2025 "I've no idea at all what this means. So can anyone enlighten me please? Thanks

Resolved! 2 SIMS - Transferring an existing number to the second SIM

I have just received 2 SIMs with the intention of my wife and I transferring across our existing numbers.In My O2 I see the 2 'as supplied' numbers for the new SIMs.With the first number selected (mine) I go to the transfer number option and have ent...

WiFi Dongle in Sicily

I will be in Sicily for three weeks, I normally find the o2 coverage (whoever the Italian carrier is for o2) is dreadful. I need a decent connection for meetings, can you advize me what I should do please? I presume getting a dongle would only mean g...

Resolved! Notice that something will expire on 02/07/2025.

I have had an email and text from 02 to advise:"Just letting you know your (reference)will expire on 02/07/2025."I have no idea what this is referring to. The reference number and date don't seem to tally with my account.

Can 4G calling be used on devices that were not bought from 02?

I have replaced a Samsung Tab Active 2 (which O2 told me was not capable of making 4G calls) with a Tab Active 3 (Which the O2 IMEI check said was compatible.)However, it now appears that not only can I still not make 4G calls (the option does not sh...

Resolved! NC8M9******* Code

I don't know what this number is for. It expires 2.07.2025.

O2

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