for with a new line of service, which was marketed as the "industry's lowest price" at the time. The Evolution of Carrier Sales Tactics: A Brief Essay Buy an iPhone 8 on Sprint, get one free, until 2018 - CNET

: You had to lease the devices on an 18-month Sprint Flex installment plan.

for on the Sprint Flex 18-month plan could receive a second for $0 per month via bill credits. Key Requirements of the Sprint iPhone 8 BOGO

During the same period, Sprint offered other ways to get the device for "free" or at a steep discount: : You could get an