Get tech support for your O2 issues

Resolved! Gate sim

we have electric gates which were working fine. The intercom stopped talking to the hand set.We were told we needed a new sim, no joy, you need a new hand set, no joy.Checked the sim in the gate controler which now says unregistered sim.Do I need to ...

Resolved! Applying Discount

I have a discount code to add on to my monthly bill which is 25% off and i cannot work out how to add it on. any ideas?

Auto-disconnects

Three weeks ago I used my O2 mobile to call a financial institution. As is usually the case, you get through, choose an option and are put on hold in a queue pending customer service picking up. I made 4 calls to the number (an 0800) and each was aut...

Resolved! Top up from Canada

I have no idea what the address on my SIM card is. It was set up at a shop in the UK. Now I’m in Canada and need to top up before I go back to London. How do I do this? The address is nowhere on my account. I can’t get the app here.

Please HELP! Number not transferred correctly from EE

I transferred my number from EE to O2 over 2 weeks ago and since then I can’t receive calls or text messages from anyone outside of the O2 network. I’ve called O2 several times and get get stuck in a repeat conversation about settings, which doesn’t ...

Resolved! Connection to network

Samsung Galaxy S20 keeps telling me "Not registered to network" when I try to call someone or send a message or search Google. Can someone help here? I've tried everything!

Resolved! £200 mastercard offer

I recently bought a samsung s22 and it has a £200 prepaid mastercard offer. Does anyone know how to claim this? Thank you

Resolved! PAC Code

I gave a Pac Code number to keep my existing number but I appear to have a new number. Will this change?

Sim swap

Swapped sim but they keep sending me a code when I've got no service

Resolved! swap from pay monthly sim to pay as you go - no service

my contract was up so i ordered a pay as you go sim to swap to. i have rang o2 to swap this over and the pay monthly sim was disconnected last week. i was told it would be up to 24hours for the pay as you go sim to be activated. waited a couple of da...

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