Get tech support for your O2 issues

Phone not working in italy

Have an iphone7 have set mobile data to mobile.o2.co.uk but phone and messages won’t work. U.K. mobile number ********** [Mod edit: Please do not share personal details as your posts are visible to the public. Thanks!]

SIM not working

Hi, my SIm has just stopped working. Can’t get bay coverage or network. Have clean it and check there isn’t any dirt. Could a new on be issued please.

Sim Card Registration

My phone is showing the message: 'Sim Card Registration Failed.'People phoning me, get the message: 'Number Not Recognised.' This has happened overnight for no reason. Any ideas how to fix this ?Thank you.

Can’t access messages on my phone

I can’t access messages or calls on my phone

Resolved! Transfer to new phone hadn’t done my email

Huw do I set up my email on my new phone, not done in the transfer

sim card problems

Hi my name is stephen i have a problem with my 02 sim card phone number *********** i cant make or receive phone calls or text messages [Mod edit: Please do not share personal details as your posts are visible to the public. Thanks!]

Resolved! Multi sim

HiI have a sim with yourselves and I have another tablet device, can I get another sim with the same number that I can use in the tablet?

Continual overcharging

I am every month being overcharged but o2 and everyone I have to ring them. They continue to tell me it is now sorted but it never is.How do I get them to actually do something

made a change from my old number to my new o2 sim and still have not signal

I still have not signal and they told me it was going to be done today by 6pm

Unable to receive calls or texts

I am unable to receive calls or texts for 2 months now. customer support are no help and it has been "escalated" multiple times.I can still call out use mobile internet and send texts.when people call me it says the number is invalid. I have full net...

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