DANNY:
How to flash firmware?1. Download & run Odin. (download see post two)
2. power off and then go to ODIN Download mode on Phone (Volume Down + Home + Power)
3. Connect phone to the computer & check that Odin flasher detects your phone's Com port number then continue to next step.
4. Click PDA button and select PDA_S5300_XXXXXXX.tar.md5
Click PHONE button and select MODEM_S5300_XXXXXXX.tar.md5
Click CSC button and select CSC_S5300_XXXXXX.tar.md5
DO NOT USE .pit FILE WHEN FLASHING.5. Click Start button.
6. The phone will be rebooted by Odin after all is done, Now you can disconnect it from PC.
7. finish and reboot