They intend for it to only be used in countries with slower internet. You can download the apk from <a href="http:&#x2F;&#x2F;www.apkmirror.com&#x2F;apk&#x2F;facebook-2&#x2F;lite&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.apkmirror.com&#x2F;apk&#x2F;facebook-2&#x2F;lite&#x2F;</a> and it will work.