Get tech support for your O2 issues

Cellular Data shows to be connected but will not load

Last week O2 said there were works in my area. As warned the cellular data went down but has not come back on for my phone ever since. I have contacted O2 and they say there is no issue with the network in my area. My phone shows 4G and 5G with full ...

Resolved! O2 and Apple Watch ULTRA

OK so I've got O2 (forced subscription to get deal out of Virgin Media - SIM not activated, probably won't be) an iPhone and Apple Watch Ultra which has cellular capability built in. If I activate the SIM and install in my iPhone how do I get cellula...

Moving number to O2

Hi, I have recently acquired a new payg SIM card with o2. Last week Wednesday I’ve tried to port my old number from Vodafone to my new SIM card. After being told that it would be done by 6pm on Thursday, it’s still not completed today. After numerous...

number not transferring

How long does it usually take to tranfer a phone number to O2? So on 1 Feb I went to an O2 shop to start a contract and gave them my PAC code from Giffgaff. They told me straight away there was an issue and to come back after 5 working days while IT ...

Very poop signal

Hi I’m not very happy with the service I have been receiving I never have any signal and when I try call someone it will tell me there number don’t exist but if I then turn my phone off it will let me call that same number fine but this is getting ev...

Getting desperate :( Number not transferred

Hello,I left Tesco Mobile last Friday, switching to O2. I requested my PAC code last Friday (21/02) and still my old number has not transferred. I phoned Tuesday and was told it was schedule for Tuesday so should be ready Wednesday. Nothing happened....

Unknown number?

Hi. Just installed my replacement sim and it keeps coming up with unknown number. Any ideas?

Otps not being received

Hello,my sons phone has never received OTPs, other messages come through fine. Please help

Resolved! RCS MESSAGING

With the introduction of RCS messaging to iOS 18, will O2 UK be supporting this feature for iPhones?

Resolved! Apple Watch Error Code 10 on eSIM Activation – Stuck in Tech Support Loop

Evening all, I’m currently stuck in a 10-day tech support hole with O2, and it’s only getting deeper by the day! I’ve been trying to activate mobile services on my refurbished Apple Watch Series 9, but I keep hitting Error Code 10 each time. Accordin...

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