Apple posted details about the $100 Apple Store Credit for early iPhone adopters.
If you bought your iPhone before August 22, you qualify for an instant $100 electronic credit toward the purchase of products at the Apple Retail Store or the Apple Online Store.
Step 1: Identify your iPhone
To confirm eligibility, simply enter your phone number and iPhone serial number in the fields provided.
Step 2: Enter your access code
You will receive an SMS text message on your iPhone containing the access code to redeem your $100 credit. Enter your phone number and your access code in the fields provided to generate an electronic store credit.
Step 3: Get your $100 Apple Store credit
You will receive a $100 electronic store credit to purchase products at the Apple Retail Store or the Apple Online Store.
Requests must be submitted between September 13, 2007 and November 30, 2007.