Originally Posted by sparklemotion
That's exactly what I thought. When you tell Amazon you are returning an item, the mailing label they have you print out matches the info for you item. The labels are order specific. So deregistering it shouldn't be an issue.
I've always do a factory reset which does deregister the Kindles. Never an issue. They are probably backed up with all the returns but yes do give them a call.
Once you get your refund you might try Best Buy. Some are having luck there in getting a no blob unit.