The promo code is valid only with a CDMA or PowerSource phone.
Not for use with iDEN or Windows-based PDA phones.
Promotional Dates - 7/20/07 to 8/3/07
Go to Sprint Digital Lounge SM and select your ringer.
Login to your account.
Select a ringer.
Click Buy with a promo code below the Buy Now button.
Enter the promo code U3T6X6P4 and click Apply promo code.
Follow the steps on your computer and phone to complete the download