HOW TO FLASH SAMSUNG STOCK ROMS USING ODIN

Note

Your phone battery should be at least 35% before you perform this process

Download Samsung USB drivers (Samsung Kies) from here.
Download Samsung USB drivers from here.
Download latest version of Odin from here .
Extract the file you will find something like this.

Download the exact stock rom of your phone. To see the List of Samsung stock roms available click here.
Extract the file. You will find something like this.

Launch Odin.

Set your phone to USB debugging mode by going to Settings > Developer Option > USB Debugging.
Power off the Device.
Now press and hold Volume down key, Home key & Power On. When device vibrates allow only Power On button but still hold the Volume Down & Home button..
The device will boot into download mode.
In download mode you will see a yellow warning sign. Press Volume up to continue.
Now connect your phone with USB cable to your PC.
Odin will recognize the and show added.

Click on PDA and select the rom file you extracted.

Click Start to begin the flashing process. Note that your device will restart severally during the process.

When you see a green pass at the top, that means your phone has been successfully flashed.

If you boot your phone and it stuck at Samsung logo, don't worry. Just boot into Recovery Mode by pressing and holding volume up, Home & then Power Button. When the phone vibrates allow the Power button only but still hold on to volume up & Home button.
Select Wipe data/Factory reset.
When the process is done restart your phone.