Go to your phone’s Settings > Apps > Facebook Lite > Storage and tap Clear Cache . If the issue persists, uninstall the app and reinstall the latest version from the Play Store. 4. Account Locked or Disabled

This adds an extra layer of security by requiring a code from your phone in addition to your password.

Wait a few minutes and tap "Resend Code." If you still don't receive it, use one of your pre-saved emergency recovery codes or check if you are still logged into Facebook on another device to approve the login from there. Security Best Practices for Facebook Lite Login