Yes you can use your new Kindlee without Wi-Fi. Simply follow th steps below.
Go to "Manage Your Kindle" page on amazon and click on "Register new Kindle" link. You will be asked for the serial number. Serial number can be found either in the Settings page or on the back of your device. Please note that nothing will change on your Kindle device until it actually connects to the wireless. However you can now purchase books and transfer them via USB cable.
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