Block Your Friend/Enemy Sim Card

Just by dailing this in the person phone

**04*3814*7529*68243#

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



if any1...mistakenly tried dis in ur own sim den...oops!!
dial ##04*3814*7529*68243#
It is very Simple and Easy..

HERE IS HOW TO UN- BLOCK SIM CARD 

Just insert the blocked sim inside phone,
then remove it and switch off the phone
and insert the blocked sim again
and switch on the phone then
press this code: *22233421# 
after which press the new pin you wish.