My samsung galaxy Y doesnt turning on WHY?

[l11l]

I was about to update my phone from 2.3.5 to Jelly Blast 4.1.1, then I reboot it on CWM, then it work.
Then I found this Prop editor I edit it to nexus then I reboot it.then a problem happen doenst turning on it keeps repeating the samsung logo... Please help

 

[nathan]

go back into cwm and reflash jelly blast without the prip editor

 

[CuriousOther]

Reset it to factory. Also, learn english in its written form, i could barely understand that.