Samsung SPH-N400 - Manual (Page 103)

Section 3: Using PCS Service Features
3B: PCS Vision 102
Purchasing Ringers
You can purchase ringers on your phone or through www.sprintpcs.com .
To purchase a ringer from your phone:
1. Highlight an item in the Ringers menu and press to select it.
2. If you have purchased a ringer before, proceed to Step 3. If you have
not previously purchased a ringer, you will be prompted to enter your
account password and create your purchasing profile.
3. After purchasing the ringer, highlight Download Now to
download the item immediately or Save for Later to save it in your
personal vault.