O2

Hi, I am wondering if anyone can help. Just recently my partners' mobile phone stopped powering up. He is a O2 Pay Monthly Sim Only customer. He took his sim card out and put it in my mobile (O2 phone). His sim card refused to work. I can't remember ...

Hi, How do I access my previous bills, if My O2 isn't working? I have a bill coming up soon and I want to see it on my laptop. Help would be much appreciated. Thanks in advance.

Hi,I am wondering if anyone can help. Since Sunday, I have lost connection on my Dongle. It says I can access the internet but I have no connection!?!?! I've never had this problem before. I've updated the drivers, reset my laptop, taken my sim card ...