1.Download Odin HERE
2.Download install KIES Download latest USB drivers HERE
3.Download your own firmware coming from HERE extract it
4.Make shure That your phone is usually 70% charged
5.Turn off your own phone
6.Download mode samsung galaxy
7.Home"+"Power"+"Volume Down" buttons with the same. Release ones buttons soon after you carry your warning screen including at the screenshot given below.
8.press "Volume Up" button to confirm the action,
Download Selection Firmware Glaxy S All In One :
Samsung | Galaxy S | GT-I9000 | Gingerbread 2.3.6 | DownloadSamsung | Galaxy S | GT-I9000T | Gingerbread 2.3.6 | Download
Samsung | Galaxy S Advance | GT-I9070 | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S Duos | GT-S7562 | Ice Cream Sandwich 4.0.4 | Download
Samsung | Galaxy S Duos 2 | GT-S7562L | Ice Cream Sandwich 4.0.4 | Download
Samsung | Galaxy S Duos 3 | SM-G316HU | KitKat 4.4.4 | Download
Samsung | Galaxy S Duos Chine | GT-S7566 | Ice Cream Sandwich 4.0.4 | Download
Samsung | Galaxy S Korean | SHW-M110S | Gingerbread 2.3.6 | Download
Samsung | Galaxy S Plus | GT-I9001 | Gingerbread 2.3.6 | Download
Samsung | Galaxy S SL | GT-I9003 | Gingerbread 2.3.6 | Download