Steps to get 10mb on Mtn with less than N100

This tweak was sent to us from one of our correspondent but we just tested it and it works on some sim card just follow the below to get started.
Normally you know that 10mb can be only purchase with the sum of N100 while the guy who sent it to us said that he did it for N70 and it worked.

Just try it by recharging N100 and then proceed by dialing *216*7# and you are on. Thats all.