How two-step verification works on Amazon Two-step verification, also known as two-factor authentication (2FA), requires you to confirm you are accessing your Amazon account by entering a code ...

Once you enable Amazon Passkey, you will not need to enter your password; instead, use the standard authentication method on your device.

You can register your device on Amazon and enjoy Amazon Prime benefits on your Kindle, iPhone, or smart TV.

With our guide to adding a profile on your Amazon Fire tablet, two adults can share the same device.