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When I have a missed call, my Voicemail message says dial 905, an invalid number

Why is it when I receive a Voicemail, the link on my phone says dial 905. When I do ring 905, it is an invalid number.I then have to ring 901, which is correct to retrieve the Voicemail message.Why does 905 show up on the original message link sent t...

Resolved! Phone calls, texts, and data don't work after trip to America.

My phone is an Oppo Reno 10x zoom and I was recently changed over from Virgin Mobile to 02. I took my phone to America. I installed the 02 roaming bundle in advance, but I couldn't call text or use data. While there I googled that American networks w...

Resolved! Issues with not being able to use my phone to ring out or receive calls

Having issues with a 2-sim Redmi 5G phone I bought last year, which won't ring out or accept calls on either sim.

Voicemails

Have followed the instructions to access voicemails and have put in pin number but nothing happens

Resolved! My o2 account

I cannot login to my o2 account via the app

NOT RECEIVING TEXT/SMS AFTER PORTING TO O2

Hi,it’s been 5days since I ported from my previously used network lycamobile to O2 network. I can make and receive calls, send text but I do not receive text and iMessage is not working.I’m unable to get verification codes to allow me do important tr...

Resolved! migrated from virgin to o2 cannot access my account

migrated from virgin to o2 cannot access my account phone o2 and was told i needed to add additional numbers how do i see my account?one number is showing when i log in my number and anogther number migrated later, do not show

New Phone won’t make or receive calls

Just got an additional contract but the phone won’t make or receive calls when it’s set up for unlimited calls?

Resolved! No service no sim

Virgin Media cut me of cell service and O2 have not sent me a sim, no help called went in shop no one can help

Resolved! mobile

my mobile broadband is blocked or not working

O2

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