i was just messing with my phone last night and thought i would put a code on it (my sister keeps taking it) buy it asked for my previous code so i typed in random ones (it was my cousins phone before mine) and the code turned out to be 0000 so i made up a new one at 74787 and went to turn the security code on and it is now saying i have to enter my PUK code, and new security code - how can i fin out what they are?? please help i really need to use my phone right now!! thank you!! xx