the new one has adb accses just you can use adb install or pm install and most if not all pm commands fail. i havent been able to find a device admin on mine either so dont know. but you most definetly have a new qin v3 based on the s/n (chekc the charger port if it is orange)
heres a super with working gapps - PLEASE HELP with new version qin F21, different hardware and ROM - #605 by dfrydman
heres a working twrp PLEASE HELP with new version qin F21, different hardware and ROM - #603 by dfrydman