Mtn has released a new surf that can give you not only mb but with free airtime all you have to do is to recharge any amount base on the surf you would like
dial *142*1*1# with hundred naira you will get 10mb + N300 valid for 7days
dail *142*2*1# you will be charged N200 and you will be offered 20mb + N700 valid for 7days
This whole offer is valid till december 2016