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Apple Watch Ultra - no data connection

Since transferring my O2 plan to a new Apple Watch Ultra (from an older watch), I've not had a data connection. On raising the problem, I was provided with a new eSim for my iPhone but that has not fixed the issue. Does anyone know what the fix is as...

Resolved! contact number for O2

I cannot find a contact number for O2. Does anyone know what it is.

Caller ID Unknown

Hi all , I'm new to the community , hope everyone is having a good day. I am having a problem with my new iphone 14 ever since I was sent 5g sim by o2. Everytime my phone drops on to 3g , anyone that dials me , I will get caller id Unknown even thoug...

Iphone 14 and new sim - no caller id

I have 6 new iPhone 14 and new sims - these are existing 02 numbers ported to new sims as we got ne handsets. Signal keeps dropping out and often show no caller id despite the numbers in the contacts. this is happening nationwide not just one area. A...

No service

I cannot connect to a signal and turned it off and on

Resolved! requested to keep old number for new volt service on virgin media

Joined virgin media volt with the understanding id keep my old 02 mobile number....this has not been the case as old number got cut off so im now left with a new number i dont want(lost all the credit i had on my old number)...been phoning 02 since l...

Resolved! Moved from EE

I have moved from ee today & any calls from my ee friends go straight to answer phone why is this please

Resolved! My number disconnected by failed payment

My number disconnected by failed payment How I can connect back

phone not connected

Dear Sir/Madam, Following a spell of illness, my mobile will not connect to make calls. it states Limited Service, please help. [Mod edit: Please do not share personal details as your posts are visible to the public. Thanks!]

Proof of Usage and proof of barring

Hi Team, I am a pay as you go user. I bought mobile from Argos and using O2 pay as you go service. My phone got stolen recently and my insurance provider asked for proof of usage and proof of barring. I tried calling customer care but haven't got any...

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