You have i belive 15 days to return the iPhone 4 if you are still within that time fram you can return and pre order the iphone 5 but not sure when it would ship since so late in the pre order.
I appreciate your excitement with the amazing iPhone 5 nanbu!
We offer a 14 day trial period for new device purchases to ensure you are completely satisfied. I'm sorry we do not offer the option to return or exchange a device after the 14 days have expired.
Have you checked other lines on your account for upgrades? You can dial #UPG from your phone to check! An an additional option, you could also add a new line of service to your account to qualify for discounted equipment.
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