Originally Posted by droid716
To the best of my knowledge you can flash that ROM just as long as you're not downgrading modem or boot loader.
Because it's a zip file flashed in recovery, it won't flash boot loader or modem, so all's well
. KK is a finicky beast, so no guarantee it will work properly...but do a backup and give it a go.
Sent from my SM-G900P using XDA Free mobile app