In Browser Facebook: Steps to know how to download facebook videos in mobile

(a) Launch the https://m.facebook.com at your mobile browser Select a video on Facebook to copy URL. Click on the timestamp of the video.

(b) Tap and hold on the web address in your mobile browser's Address bar and select “Copy Link Address” to copy the video's web address. Once the URL has been copied to your clipboard, you will be able to paste Facebook video URL at www.keepdownloading.com that is one of the best website to download Facebook videos.