on 11-05-2009 13:30
on 11-05-2009 21:29
on 12-05-2009 14:09
I take it you get you bills through the post?
If this is the case you will need to speak to o2 direct.
Only online billing and some accounts alow for you to look at your upgrade date.
However if you look at your last bill it normaly gives you a number. eg 17 would mean 17th Month.
Let me know
on 12-05-2009 20:36
on 22-12-2009 11:17