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Phone temporally not reachable until after dialing out

Hello . This morning for some reason my phone was unable to receive txt messages and phone calls from anyone so unknowingly I missed some important messages. then after using it to dial out which did work fine my phone immediately became reachable ag...

Does anyone know what the "Protect Bolt On" is?

There is a bolt on that is available to me, yet it has no explanation and I can't find anything relating to it anywhere on the O2 site or on Google. It is the Protect Bolt On which is available for me to add for free, but I don't know what it does. A...

Sim cancelled! HELP NEEDED.

Hi all, I'm posting this in the vain hope that someone might have had a similar problem and was able to resolve it. My husbands sim got cancelled by customer services 6 days ago when he called about a problem with his apple watch. It appears they can...

Resolved! SIM not provisioned

I've had my original number that I had with O2 migrated to my new contract. My old sim card was disconnected and number transferred (I can see that when I look into My O2) but the new sim is not connected and the phone says SIM not provisioned when I...

No Service on roaming in Nebraska USA - My son is studying in the US, he has lost service

for voice and text messages, he can't call O2Roaming has worked fine for 3 years

Resolved! Activating an esim overseas

I have recently moved overseas. I'd like to maintain my UK number, changing my current contract with 02 to an esim. If I purchase an esim contract online, will I be able to register/activate it overseas or would this need to be done in the UK?

Resolved! Pac code fail

Hi I transferred over to O2 at my local O2 shop on 9th Feb 2025 from Tesco mobile. I received a Pac code which was passed to the assistant. When he entered it onto the system it was showing some kind of error which he wasn't familiar with. To cut a v...

Frustrated

Does someone know what I need to do to get my number cancelled with O2? I signed up for a new contract with O2 since 26th Jan 2025, intending to retain my number and transfer from my network provider to O2. I was sent an O2 SIM card within 2 days, ho...

Resolved! unblocking a number on my phone

A number has somehow been blocked on my phone. how do I unblock it?

Resolved! Sim swap

Someone called me from the number 01274876584 and said that my SIM would expire soon and that they would send me a new one. However, he want to my old SIM. The person asked for my details, but I didn’t provide them. When I checked the number, it turn...

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