There is a Major Problem that How can Download Videos from Facebook,
Many Facebook Users are looking for solution to download videos from facebook.
here is solution, First Open Video which do you Want to download on SD card, touch three dots (Option). Option'll open then touch on "Copy Link"
then open a apps name "Savefrom" Paste Link there there and Download it.
Yes it is Very Usefull and very Easy tool, for downloading videos from other websites.
Here is Video Tutorial Also.
With this tool not only from Facebook you can Download Videos from Youtube and other websites too.