If the box is missing, you need to access Amazon’s official web page via your computer. Identifying your Kindle by Serial Number is a much more reliable way of determining what it is but you can also get a general idea from the Amazon model number. After all I am paying my Prime subscription and Kindle First is a free benefit within that.
The first is to read the serial number from the product’s package. I don't have Kindle Unlimited, however, I'm kind of expecting that, as I'm being offered one book per month from Kindle Unlimited as a Kindle First book (ie FREE), that when I download it, I SHOULD be able to de-drm it via Calibre. There are two ways that you can find your device’s serial number. This is the unique identification number of your device and you’ll need it when you report it missing to Amazon’s customer support. When you notice that your Fire Tablet is missing, you should locate its serial number right away. The Serial Number is also shown on the Manage Your Kindle page of your Amazon account (in the Manage Your Devices section).
Find your specific generation or type based on the first four characters. The Kindle's serial number is printed on. I am not wireless so I can't get it off the Kindle apparently - thus I cannot register. In order to download e-books and other content, the Kindle must first be registered with its serial number. I cannot find my 16 digit Kindle serial number on any of the paperwaork.
Step 1: Locate Your Fire Tablet’s Serial Number You can find this sixteen digit code in the box your Kindle came in or when you click on Settings and go to Device Info. With Kindle Serial Number (KSN), you can confirm which Kindle model you have. If you lose your Fire Tablet or suspect that it’s been stolen, you need to follow certain steps to secure your account and make it easier for authorities to bring it back. Therefore, there’s a chance that you can use the stolen Fire Tablet as if it’s your own. When this happens, it’s not possible to blacklist the device anymore. Note that if the previous user isn’t quick enough to blacklist the device, the thief can deregister it and create a new account. However, if you’re unable to register a new account, there’s nothing else you can do. If you manage to do this, the device isn’t blacklisted. An unregistered device will first take you to the ‘register’ screen where you have to type in your Amazon credentials and add it to your existing devices. It’s easy to see if the device is blacklisted. This means that you can’t register a new account on it When the user reports the theft to Amazon’s customer support, they’ll blacklist the device using its serial number. Still, if there are no active accounts on the device, it doesn’t mean that it isn’t blacklisted. Step 2: Check If the Device Is Blacklisted Even if it’s the account of the person who’s trying to sell the device. If there’s an account already signed-in, there’s a big chance that the device is stolen. Tap ‘Settings’ (gear icon) on the Fire Tablet.Check if there’s another account already signed-in. To check if the Fire Tablet is stolen before you buy it, you can do two things.