How to Approve Your Facebook Login from Another Device In this video, I will show you how to approve your Facebook login from another device. This is a security feature that Facebook uses to protect your account from unauthorized access. When you try to log in to Facebook from a device that Facebook doesn't recognize, you will be prompted to approve the login. You can do this by entering a code that is sent to your phone, by using a security key, or by using a third-party app. Here are the steps