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Can’t call uk

I have just made a call to the uk, I have then tried to call the same numberback but getting a message saying my calls are restricted I have eSIM but have turned on Uk line to make call. im getting charged £7 to make just one call this can’t be right...

Invalid number

Recently changed from monthly phone & airtime contract with o2 to SIM only o2 contract. Kept same SIM. When l receive call if l do not answer immediately the caller gets a message that number called is invalid. There are no network issues in my post ...

Data network at my home is only 3G

My O2 network has always been ok at home, but last few months its been gradually getting worse. now i can only achieve 3G at my house. and even the 3G doesnt seem to want to load anything, its incredibly slow and most of the time wont load any pages ...

Esim, watch and phone

Sorry if this isn't the right place to post this....... I have a samsung 22 phone with 02 and a samsung ultra watch with only Bluetooth connection. Im wanting to know if I can add an esim to my watch but leave the 02 on my phone? Will I still get my ...

Unresolved Network problem

Signal has been dropping out for long periods since 2/4/25.

Resolved! Doro 7030 setup – Wi-Fi calling

I am setting up an unlocked Doro 7030 which was not supplied by O2. My SIM is a Big Bundle PAYG 30-day (unlimited calls and texts, no data) which I have used for about three years in an O2-supplied Nokia feature phone. It would be useful to add Wi-Fi...

Data roaming in Croatia is not working.

I am in Croatia with my pay monthly sim only iPhone 14 Pro. Data roaming is not working at all despite: * mobile data on* data roaming on - shows 4G or 5G on the Croatia networks in top right* I did receive the ‘welcome to Croatia’ text confirming I ...

Roaming not working

Hi I’m in turkey and my phone not roaming

Resolved! Reactivate old Sim

I need to reactivate my old Sim / mobile number that hasn't been used for maybe 2 years. Is there any way I can do this? I have a problem where I need a text sent to the old number hence reactivating the Sim, unless there is any other way I can recei...

Sudden high data usage

Just a few days into my billing period, MyO2 says I've burned through my entire 15GB of data for the month, but I haven't done anything unusual and my phone says I've only used 2.5GB in this period. I've seen people reporting a similar issue in the p...

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