Ok, no problem
only because it's easy for a noob like me, I tried different apps like kernel adiutor but there are too many things to learn.
I liked the options game mode and battery save, easy to toggle and without the fear to touch something tha...
Info software shows version 1.2u*
Download from mega eur version, size is different from previous version
Edit: Download again from main download and now it's ok
Edit 2: sm-n9005 eur variant, magma-nx vx1, continuous reboots