Call +44800 032 1402 or +44800 081 0255 Both are free to call.
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.
Call the correct number of 0344 809 0202 or use skype and call 0800 902 0217 follow this guide Guide: A Guide to Skype