All credit for this exe goes to dottat, weaksauce and firewater to jcase. I'm just a guy who found out this works for downgrading.
Download 605.1 exe from here
http://xdaforums.com/droid-dna/general/official-exe-ruus-s-t2935556
Follow instructions from exe, plug in phone etc.
After it finishes you will be in 605.1 ota firmware and ready to s-off using firewater and weaksauce.
, from there, install twrp using fastboot
instructions for firewater/weaksauce :
http://firewater-soff.com/instructions/
installing twrp
http://xdaforums.com/showthread.php?t=1996389
Download 605.1 exe from here
http://xdaforums.com/droid-dna/general/official-exe-ruus-s-t2935556
Follow instructions from exe, plug in phone etc.
After it finishes you will be in 605.1 ota firmware and ready to s-off using firewater and weaksauce.
, from there, install twrp using fastboot
instructions for firewater/weaksauce :
http://firewater-soff.com/instructions/
installing twrp
http://xdaforums.com/showthread.php?t=1996389
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