Sprint Launches "One Up" Device Upgrade Program

One Up is Sprint's new device upgrade program, launching Sept. 20, 2013 and allowing Sprint customers to buy a new phone with no money down, paying for devices in installments over two years.

If a customer terminates service before all the installment payments are made, the customer pays the balance of the device cost the following month.

After a year, a customer can upgrade to a new phone by trading in the device.

The move by Sprint means all four of the large national carriers offers such a program.

T-Mobile US calls its program "Jump."  AT&T calls its program "Next," while Verizon has "Edge."