Code Pie Islamabad

How to Login to Facebook Without a Code Generator

How to Set up Two-Factor Authentication on Facebook

How to Login to Facebook with Code Generator

Code Generator – Apps on Google Play

Facebook modifies two-factor authentication; adds support for third-party apps

What Is Facebook Code Generator & How Does It Work?

How to Use Facebook Code Generator for iPhone, iPad or Android

Help - Locked out of Facebook because I lost access to code generator and reaching a human seems impossible. - Programs, Apps and Websites - Linus Tech Tips

Facebook gets physical for safer logins - Help Net Security

2-factor Facebook Login with Third Party Apps, by The Fabric Blog