Share your experience!
This show me when I try to root my xperia Ray !
Please help me 
Thread moved to better sub forum.
Hi Stefan,
Hope you are directly trying to Root your phone. You can root your phone after flashing 4.1.A.0.562 Kernel. Then you can flash the Latest Kernel 4.1.B.0.587 or 4.1.B.0.431.
Refer this Thread and blindly you can do this. {GUIDE} How to Root Xperia™ Smartphones
All the Best.
-Venkatx5