Get tech support for your O2 issues

Resolved! So far no help with a stolen number

Around january i noticed my sim became inactive suddenly.the next day i went to a local o2 store and had a sim card swap. i was told they can take up to 24hours.it did not work. i returned again to have another sim card swap. same again.during this t...

Resolved! Abroad

My Dad is abroad and has asked me to help. He has no signal and when he tries to speak to o2 online they say he needs a security code that’s been texted to him but he can’t receive the text because of the signal so has asked me to help him sort it. C...

Resolved! Phone in Greece

Just arrived in Greece. Have received SMS messages from O2, but cannot make calls. PaYG customer. How to get assistance?

Resolved! Data

When I turn off my WiFi my 4g isn't working! I've restarted my phone and checked that the mobile data is on.Can you help me with this? Also, is there a number I can call to talk to someone over the phone?

Resolved! Mobile data in Greece

I am told that I can use by pay monthly UK plan in Greece. However, It does not let me access mobile data. Has others experienced something similar and what is the solution. Thanks.

Resolved! Unlocking from network

Got the phone from a friend and is sim locked. They went to a store before giving it to me where they were told it was sim unlocked. I tried putting another sim in and it’s not working and says it is locked.They have disconnected the phone from their...

Resolved! Sim Swap.

Hi, I received my new phone and Sim recently. I have no service on my old device so i am unable to make calls or receive texts so i am unable to ring 202 or receive texts from O2 to verify my account details to make the Sim swap. what do i do? I have...

Resolved! Bad signal, not able to get 4G or higher.

Hi. For the last month or so I've not been able to get good signal for my mobile Internet. I've been stuck on H and not being able to get 4G/5G in two different cities. What could be the problem/solution to this? TIA

Resolved! Unlocking my device

I have finished paying my device about a year ago and now on holiday in Ghana , West of Africa. Tried putting a new SIM card but it does not allow since my phone is unlock. Needs an urgent help to get this issue resolved.

Resolved! Rogue text

I sent my daughter a photo and message, sent as a text. She received and acknowledged. Minutes later she received the identical message and photo from an unknown mobile number 447738884069. Her network is Sky mobile. How could this happen?

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