How to Fix a Bricked S4 (without needing to download the Firmware or ODIN)
1. Set your D\device to boot in Download Mode
Turn off the Galaxy S4. Now boot the device into Download Mode by pressing and holding the Volume Down + Home buttons together and then press the Power button until the construction Android robot and a triangle appears on the screen on the phone. Press the Power button again to continue to enter Download Mode
2. Launch Kies to perform the Firmware Recovery
** At this step, you can remove the batter from the S4 to check the serial Number & Model without needing to interrupt or restart the Firmware Recovery Steps