Here is my Dropbox link to the 2.x.1.118 firmware, dated 12/22/2014. Dropbox - FI9821W V2_2.x.1.118.zip This firmware should get you where you want to be.
Just for reference, I've also linked firmware version 2.X.2.27. Dropbox - 2.x.2.27 for HD Cameras-20160811.zip
This zipfile also...