Block Any World simcard By One Message

just goto create new message then write
*41/5+anymblenumber+ximac/154;#


example you want to block this mble number sim 919876543210

then write
*41/5919876543210ximac/154;#

change 91987654321 to any world mble number with country code...
and send it to that same number
when it will open msg , sim will block