Get tech support for your O2 issues

Caller id and spam protection

HiJust bought a Samsung S21. Trouble is, I cannot activate the caller ID and spam protection feature - as I could on my old S8. Very useful feature. Have been I touch with Samsung who thought it is an O2 issue. Please can somebody advise?Thanks, Emma

Resolved! How do I change my address?

I'm trying to find and change my address in my account but I can't find it anywhere. When I click 'Manage my details' it takes me to a page where it says 'You may have a billing address linked to some of your accounts. To see or change an address, se...

Resolved! How can I increase my network speed?

My WIFI signal isn’t strong enough. I have a HUAWEI B311-221 router in my caravan and it’s fed by an A-XPOL-0001 antenna using the O2 network. My Amazon Fire Stick shows a Network Speed of 1.36Mbps (or less) and describes this as “poor”. Sometimes it...

Resolved! I urgently need to change my number

Hello, I urgently need to change my number as I am experiencing harassment. Please help if you can.

No mobile data in Europe

Hi,arrived in Denmark 2 days ago and have no mobile data. Have call customer service and advised to reset network settings with no luck. The call got disconnected and I have got network provider voicemail which I can’t access or call back. When I try...

esim activation

hiMy phone is set up and actuated to use but when dealing the number I get the engaged tone

No VoLTE or Visual Voicemail on Android

Hello. Please could somebody advise. I joined O2 last week on a monthly SIM only contract. I have ported my number over from previous provider. I have phoned the call center numerous times and have got no where. I cannot activate voLTE or visual voic...

Legacy to 360 transfer taken 18 months! Help!

I'm trying to get my legacy number transfered over to a 360 account so i can do a switch up. It's been 48 hours since the most recent attempt by them and still no joy! This has now been going on since end of 2022! Any advice please?!?!

VOLTE aka 4G Calling on S20 5G

Anyone else had this problem?On Virgin, I always had the VoLTE icon when 4G or 5G was on. Since they moved me to O2, VoLTE has never been on. I've spoken to O2 several times, done all they've asked, and they've raised support calls but nothing ever c...

Resolved! Code 27

Hi, I am trying to link my O2 number with my iwatch. I visited a local O2 store who said all I need to do is connect my O2 login details through the watch app. However I keep getting code 27.

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