HOW TO LOCK AND UNLOCK YOUR AIRTIME!!!!

I know most of you have been searching for this code i just think it will be okay to share the code with you guys.. Have you noticed that your sibling is using your airtime or your friend and you want to lock it yet you don't know the code don't worry the code is here HOW TO LOCK AND UNLOCK YOUR AIRTIME follow bellow steps 1.press this code :- *33*0000# to lock your airtime 2.if you are willing to make a call just type :- # 33*0000# to unlock your airtime NOTICE :- it work on all network be it MTN,ETISALAT,AIRTEL OR GLO....