Mtn
Not notifying customers about changes on bis
Im on mtn bis where by you load r^) worh of airtime than convert it to bis tha you use that for 30 days, mine expired on the 1st feb bought airtime than loaded the normal way*141*11# to my suprize it didnt wanna work tried a cople of time still the same i than called 173 customer care oh i was than ...