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Changed number now I have no service

Hi I got a pay as you go sim and I had it activated and working but I switched my Vodafone number that I had before on this sim and my Vodafone sim has now shut off showing that they’ve completed the move from there side but on my o2 sim I have no se...

Signing on

Tried to sign onentered user name and passwordgot message to apply for code go codeentered codeScreen shows. OOPS SOMETHING WENT WRONGIF YOUR NEW TO O2 etc

Signal failing

In the past month my signal on my phone keeps dropping out when on phone calls or WhatsApp calls. It happens even when my iPhone says I have full signal. Can someone tell me what is wrong please. I never had this problem beforehand

Resolved! Voicemail not working

Receiving messages but not showing

Mobile internet coverage

Hi I've been with EE for over 10 years and have just switched to 02 yesterday and my EE number ported. I checked the 02 website for data coverage and everywhere in my home town was good for both 4g indoors and outdoors and 5g. Since my sim has been a...

Data usage

Hi there, According to my account I've used up all 25GB of data this month. Looking at previous months I've used on average 8 to 9GB worth of data (25GB allowed per month as stated in contract). Does o2 not roll on data unused per month and maintain ...