How to install jelly bean on Galaxy Y pro (GT-b5510)

he instructions are:
1.Download the two files CWM.zip and jellyblastv3.signed.zip(clich the two files to download them
2.open the jellyblastv3.signed.zip using winrar
3.delete "boot.img"
4 close(Do not extract the file )
5 place the 2 files in root of the sdcadr (not in any folder
6.goto recovery mode by holding Power+home button +volume up button together and leave it when you see something in white color
7.then press volume down and then home button
8.then select the cwm zip file and home button
9 the rest flollow me in the video.
please suscribe rate and fell free to comment in the comments for help .

The Key combination to enter recovery mode is:

after entering recovery find the cwm file i gave and flash that

after that wipedata/factory reset

then flash the rom file which has boot.img removed

then reboot!

ENJOY THE JELLYBLAST Xperience