Samsung GT-S5830i Samsung Logo Boot Loop Fixed.
First of all, Vol+ + Home + PW. then wipe user and Cache both.
if not work above procedure, then do this Process. 100% Working.You need these files.
01. Full Package Firmware (os 2.3.6).
S5830iXXKL1_S5830iXXKK5_OXEKK4 02. And Pit file
S5830i cooperve_0623.pit03. now use both volume button holding and connect usb cable for Download mode.
then do as like picture bellow.
04. Done.
05 Best of Luck Friends.