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Resolved! Replace a faulty sim card

I believe my sim card is faulty. I cannot make or receive voice calls. I have restarted my phone, tried the sim in a different phone without success. I cannot phone customer services on 202 as I can't make any calls!Can someone send a replacement sim...

Resolved! sim

Hello, replaced my old iPhone 12Pro for a new iPhone 16Pro, taking the old sim out and installing it into new phone but will not work the phone?Please advise

My phone will not connect to network

My phone is not connecting to network. My contract was recently changed and now my phone wont connect. I cant login to my o2 as I cannot receive the verification code via text to login.

Porting not working

Porting has not went through today on [Mod edit: Please do not share personal details as your posts are visible to the public. Thanks!]

Need to pay my bill- Urgent

I desperately need to pay my bill but I am abroad and my sim wont be sent the login code to access the O2 app. I can't speak to any O2 agent without having access to the number on this sim.

Email with code for O2 registration otac What is this ??

Need to know if this is from O2 or a scam

Bar Charge my Mobile

Please put a BAR on the Charge my Mobile

Resolved! PUK

My sim appears blocked and saying I need a PUK code.I am unable to go in my O2 app as it’s needs to text me a code which I can’t access.I can’t ring and the chat refers to the O2 app

Resolved! PUK CODE

I took a screenshot of my PUK code so I wouldn't forget it. Cannot gain access to my mobile, as it is locked, and 02 keeps sending me codes which I cannot receive, as I haven't got access to my phone

Resolved! switch my phone

how do I do it?

O2

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