Chat with friends directly inside the app without needing to download a separate messenger application.

The story usually begins when a user, facing a slow 2G connection or limited storage space, downloads the small Lite app. Unlike the heavy main application, Lite installs in seconds.

Type the email or mobile number associated with your existing Facebook account.

This is by far the most common login issue. Even a small typo can prevent access.

If you cannot remember your password, do not repeatedly guess it. This can trigger a temporary account lock. Tap the link below the login fields. Input your registered email or phone number.

Go to . Review the list of active devices and locations.

Enter the email address or mobile number associated with your account.

Use this to encourage users to switch to the Lite version to save space or data.

: Ensure the app has permission to access your "Phone" or "SMS" if you use two-factor authentication.