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Resolved! Poor mobile signal indoors - what can I do?

O2 says good quality signal should exist in my area both outside and indoors. I have very weak or non-existent signal in parts of my house. Any recommendations for how to address this problem? O2 does not appear to allow wifi calling on my device.

Resolved! New Phone (upgrade) and transfer to new sim

Hi, I’ve got my new phone today. Transferred all of my details from my old phone which was on O2. Put the new sim in my new phone (with the same number) but it’s not connect to the network. I’ve turned it on and off all day but still nothing ?

Resolved! Blacklisted iPhone 11

Hi, I bought an iPhone which about a year ago which has been working fine on another network. I've just switched over to o2 and the SIM card does not work. Upon doing an IMEI check the phone has been blacklisted by o2 - can this be undone?

Resolved! Swap sim

Hi there iv swapped my sim over from Vodafone to o2 I put my new o2 sim in when my Vodafone sim when to no service iv turned my phone on and of several time and my o2 sim is just saying no service aswell as my Vodafone one I don’t know what to do as ...

Resolved! Calling/Sending message to a Ukrianian mobile from UK mobile

My girlfiend sent me her mobile phone number so we can text and call each other. She is located in Ukraine and the number she sent was +380 93 xxx xx xx. I tried calling and sending message but both failed. Am I doing something wrong?

Error 0

Can't send any messages to any competition numbers. Driving me mad...help please!

Resolved! iPhone 8plus (iOS 15) No option to enable wifi calling

No option on my O2 app or in my setting to enable wifi calling. Please help.

Samsung Galaxy A52s wi-fi calling

I'm considering getting a Galaxy A52s 5G. It's important to me to be able to make calls over wi-fi. This phone doesn't appear on O2's list of phones that allow calls over wi-fi, which seems odd because (a) the A52 without the 's' is on the list and (...

Resolved! Turning on Wi-Fi calling

We recently changed from O2 business account to standard and I cannot turn on Wi-Fi calling on my iPhone or my partners iPhone. It says "To allow Wi-Fi calling on this account, contact O2. I can't find any way of contacting O2, their website just tak...

4G has gone from my phone.

Coverage checker says no issues in the area. Can’t face going round the houses for any more hours on the dratted “help” menus!

O2

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