can i pls know how 2 start first of all.i dont have any idea about changing the firmware

my current software version is
CXC1250912
R8BB001
071017

MY PHONE IS K530I AND WANT TO CHANGE IT TO W660
AND IS IT SAFE TO CHANGE THE FIRMWARE VERSION

hi bro
can i no how did u get this k530i details and codes
i would be glad if u reply