Note: how to flash to official Android system ? (Samsung galaxy SERIES [other may check from Samsung mobile ] )
Updated Nov 23, 2012
1.Odin v1.85 , and any Samsung galaxy series official ROM (can download from samsung-update.com AND check ur mobile model at 1st [I strongly recommend u better check it b4 u downloads for Official Rom AND MAKE SURE U INSTALLED SAMSUNG KIES FOR UR SAMSUNG DEVICES AT UR PC !!!] )
I'll NEVER RESPONSIBLE TO FIX UR
BRICKED DEVICE ONCE U FAILED
(XP and Vista dumbs ezy crash! RMB INSTALL THE .net FRAMEWORK 3.5+ )
(md5>kernel>NAND>blah blah)
till the sign is appear as PASS DEN unplug it out den let ur device restart
(it needs takes time to install all blah blah apps from Samsung )
or
PLUG USB TO ACTIVATE SAMSUNG KIES to check updates !
Required: if u r Malaysian Get UniFi for fast and stable download(Streamyx user try to Don'T OPEN any torrent downloader AND try to dun use mobile data it may inccur ur charges [tried b4] )
Bricked Your Devices?
okay, i cut short the step...
your phone bricked and slacked at boot logo?
1.Vol down + home button + power button
2.press up
3.Open Odin ver 3.04/1.86 and mount ur ROM such as GT-I9305[blah-blah-blah].tar at the PDA and check it...

4.done...
.md5=a PDA files that contains android system
ROM-Read Only Memory