Get tech support for your O2 issues

Resolved! Lost SIM

I lost my SIM in Brazil and cannot call UK numbers... I just want to notify the loss and ask for a SIM block, someone can use it if is active... Someone help me please? I can't either open the chat, the site doesn't open here in Brazil.

Resolved! Certain sites

When home on wifi i can access adult sites..not ****** stuff like ann summers..If i go out and use mobile data i carnt access them why is that? Carnt be security as i access on wifi..but mobile data no..

Resolved! Netgear hotspot

I am looking at getting a Netgear hotspot with an 02 SIM, does anyone know if the NAT type can be changed from Strict NAT3.Thanks

Resolved! how to change my spend cap

trying to change the spend cap for one of the phones on my account but no options exist in myo2 on app or on the website and the chat bot will not route you through to a human o2 are the most incompetent and useless mobile network on earth and only b...

Resolved! I cant sign in

Hello, I have a vergin media sim but when i put it in it says tjat i have an o2 sim. When i signed in it says that my o2 isn't available yet. I been waiting so long. My email is **Personal info**. thanks, Amina [Mod edit: Please do not share personal...

Resolved! swap virgin mobile sim to esim

I was with virgin mobile and migrated to O2. I would like to swap my sim to esim. O2 swaping service asking for 13 digite sim number but the virgin mbile sim number have only 12 digit and it is not accepting. Anyone have the similar situation and any...

Resolved! Setting Up SPF + DKIM on O2

EMails I sent through my tethered O2 pjone to gmail accounts are being rejected with the error: SMTP error from remote server for TEXT command, host: gmail-smtp-in.l.google.com (108.177.126.26) reason: 550-5.7.26 This mail is unauthenticated, which p...

Resolved! Switching providers - do I need to do anything?

I just swapped to EE and want to keep my phone number so added the PAC number. EE are sending the new Sim shortly. Do I need to do anything to cancel my contract with O2 or does it automatically end when the phone number swaps over to EE?

Resolved! Over heating samsung

My phone keeps over heating and switching off

Making calls

I am on holiday in Greece and am unable to make outgoing calls. I have followed all settings advice

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