Handphone 1st Problem...

Handphone 1st Problem...
When I am on the way to suntec,I off my phone for don't know what reason and couldn't get throught the SIM card password.I don't remember I set the Sim Card lock.I got panic!Lucky I remember the guy at the shop where I bought my handphone told me that the service centre is in Suntec.I quickly head for the service Centre.I did not bring the warrenty card,but the nice young lady help me throught.She got my phone,press press press and then its back to normal.Before I leave there I should have ask her how she do that.Head for the Carrefuer to start the stupid plan.