Get tech support for your O2 issues

No signal and no help

I haven't had any signal now since Tuesday, this is happening everywhere. I have contacted O2 via the app several times and no one could help, I went into an O2 store yesterday and the guy I spoke to said there is an issue effecting some eSIMS and th...

Unable to connect my cctv to my phone has a block been put on my phone as it was working 5 days ago

Has a block been put on my phone as I'm unable to connect my cctv to my phone , it was working fine now I'm unable to connect it to WiFi?

Unable to make calls

I’m out in Australia, Can’t make/receive calls. I need to contact a relative as a family matter has occurred- I have tried a local eSIM- still nothing.

Using my wifi to save data, my iphone Whatsapp fails to up or download pictures

I can up or download using data but its a pain. How can I fix it?

Can't make calls

I'm leaving o2 on Friday 4th July, why has my calls and text stopped working today?

Number not recognised

I have recently noticed that occasionally number I contact seem to failing with the message "the number you are calling is not recognised" and occurs for both mobile and landlines. Any thoughts?

No Internet connection when i am not connected to WiFi

Hi! Every time I am not connected to WiFi my Internet doesn't work, even if it shows 5G or 4G ,it still doesn't work! Can someone please help! Thank you!

No internet connection on 4 5 G in Europe

I have just returned for some travel to Europe including Italy, Greece and Spain. In the absence of Wifi I was able to get 4 or 5G but with no internet connection so couldn't use Google, WhatsApp, etc Can't understand this and would welcome an explan...

No network for 2 days

I have had no network for 2 days affecting 2 numbers on my account called and told there is no issue and investigation takes 5 days I cannot be without a phone I rely on these devices for work and need better support

Service

I have recently switched my 02 sim to a Samsung s23 but I'm really struggling with signal. Phone is constantly showing no service or emergency calls only. Noone can get through to me? How can I fix this

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