I do the same...but why there is not an option "save image"...In iOS this option exists...A work around I use works if you have Dropbox. Click on the picture and hit menu button and hit share. Scroll down to dropbox and it downloads the picture into drop box. From there you can save it to your gallery.
There are many options to share a picture from Facebook, but I can not find easy way just to save picture in Galery...
Regards
A quick remedy of the issue is to Just share as ---> Gmail ---> send it to your own email address and get the email with attachment. Now download the attachment via DOWNLOAD button at the bottom ...
That way no extra software is needed....![]()
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