For a limited time, Sprint is rewarding customers with a Free $2 Amazon Gift Card in the Sprint Rewards app! Note that quantities are limited so you might want to redeem this offer soon.
To score your free gift card, open or download the free Sprint Rewards App (iTunes or Google Play) then click on Sprint Rewards and you should see an offer for the Amazon Gift Card. Click redeem and they’ll text you a link for your free gift card. Easy peasy!