how to punish who ever flashes you

FOLLOW THIS STEP 1. When the Person Flash you for the First time just type this numbers: **21*174 followed by the last Seven digits of ur phone no. And # Example: **21*1740423872# The Person will be Charge N36 Instantly! So this is gonna Teach him a Lesson, You can Re-do it so he can be Charged again. WANT TO UNDO? To undo it dial ##21# and send