This occur when the internal ******* hard drive is corrupted. software cannot fix this.
Before performing you must be sure your problem is hardware. If you phone keeps rebooting on samsung logo do this
load latona pit in the pit section of odin, tick repartition, if it fails that means this internal memory is damaged.
Remove the marked iten from pcb and reflash your phone. all should be ok but you will have to install a memory card after removing this ic since is not in the market yet.