CONVERT UR GALAXY Y TO JELLYBEAN(4.1.1)_

To convert Ur galaxy y to jelly bean U have to first root ur phone.(Rooting is 100% safe).
To root ur phone First Install Update.zip and send that to ur Galaxy y. Then Go to Clockworld mod (By First switching off ur mobile, After it is switched off press Home key button+volume up button+Power button, all together). then
NOTE:This procedure is fully safe only if u follow it properly.
1.Click on "Install updates from SD".
2.Click on "update.zip".
3.Then click on "reboot now"
            Now ur phone is rooted now u can follow following steps.
After UR phone is rooted u have to install "CWM.zip"
1.After installing cwm.zip Go to boot menu  (By First switching off ur mobile, After it is switched off press Home key button+volume up button+Power button, all together).
2.Go to "Update from SD card."
3.click on CWM.zip Then clear ur cache and wipe data.
4. Then install jellyblast v3.zip then go to advance recovery( if advance recovery is not there then u can go back by pressing power button there advance  recovery will be there.
5.Click on the first option then  clear cache, wipe data then reboot.
6.After rebooting ur phone will automatically restart u have to wait for some time.
                                                  now u r running through jellybean.. enjoy.