The Wall Street Journal this week reported Sprint would subsidize the cost of each phone at $500 and would likely lose money in the arrangement until 2014.
Sprint is likely to gain access to the iPhone 5, the latest version of the best-selling smartphone, the report added.
Sprint currently holds 52 million subscribers though less than half are non-contract customers.
By comparison, Verizon Wireless holds 106 million subscribers and AT&T Inc. holds 96 million subscribers.
Verizon gained access to the iPhone in Feb. The device previously held as an exclusive device for AT&T.
Apple Inc. Oct. 4 will host an event to announce the next iPhone.
The New York Times in Sept. reported the iPhone 5 will include the A5 dual-core CPU and include an 8MP digital camera.
In addition, A prior report claimed the iPhone 5 will include at least a 4-inch touch-screen display and a thinner profile.