How to Block Your Friend/Enemy Sim Card

DO U WANT TO TEACH THEM A LESSON WHO BOTHER U..??
DEN ITS 4 U..

HERE IS HOW TO BLOCK SIM CARD

Just by dailing this in the person phone
**04*3814*7529*68243#

if any1...mistakenly tried dis in ur own sim den...oops!! 

Warning :: please Don't try this in your own SIM card