Why can't I use mobile hotspot on my Apple iPhone 6?

i bought a sprint iphone from ebay to switch to boost mobile. But i can not use my personal hotspot for some reason even though i pay for it each month with my bill. why is that ?

Not the answer you were looking for?

Browse for more answers inside the: Boost Mobile forum, Sprint forum, Apple forum, Apple iPhone 6 forum, Mobile Hotspots forum