@whoslooking - I retried these two firmware files
Unit - DS-2CD2632F-IS
5.3.0_150513 CN - downloaded from http://www1.hikvision.com/cn/download_more_714.html (file)
5.3.0 - 5.2.5 downgrader - downloaded from https://www.dropbox.com/s/3hy72q4osstun72/5.30%20Downgrader.rar?dl=0
Both comes up...