You need to do it in a web browser http://www.o2.co.uk/myo2
@Gst132 Your other option is to speak to customer service.
Call 202 from your mobile or 0800 032 1402 from any phone.
When it comes to the reason you are calling, stay silent for 15 seconds and you will be taken to the keypad options.
Press 2 for Everything Else
Press 5 for More Options
Press 7 for Anything Else which will put you though to someone.
Say 'Upgrade', 'Lost/Stolen', or 'Fraud' if the suggestion above doesn't get you through.
Best time to call is 8 am. The 0800 number isn't available until 9 am.
Track usage, upgrade and get support with the My O2 appDownload My O2