I want to change to sim only

[Dingdong]

I would like some gelp with moving to sim only ive tried ringing from my mobild 202 libe keeps cutting out abd telling ne my answer is incorrect

[Cleoriff]

@Dingdong 

Looks like you should contact the sales team as they can help with that – message them on Social Media if that works best for you -on Facebook ( https://o2uk.co/O2CFB) , Twitter ( https://o2uk.co/O2CTW) or Instagram ( https://o2uk.co/O2CIG)

Or you can call them on 0800 081 0255

Guide: How to find help & contact O2 

[MI5]

@Dingdong 

Log in to your MyO2 and go to manage your details.

Set a new answer to your security question as this will be asked for whichever way you try to upgrade.