These are the instructions to flash Samsung Stock ROM (original firmware) using Odin on Windows Computer.
Requirements: Your Samsung Smartphone should have at-least 30-40 percent of phone batter to perform the flashing process.
Flash Samsung Stock Rom using OdinStep 1: Download and install Samsung USB Driver on your computer. In case you have already installed the Samsung USB Driver on your computer then Skip this step.
Step 2: Download (Stock ROM compatible with your device) and extract it on your computer. After extracting you will be able to see these kind of files:
Step 3: Now, Enable USB Debugging on your Samsung Galaxy Device. To enable USB Debugging: Open Settings > Developers Option > USB Debugging > Tick to enable.
(Developers Option is hidden for Android 4.2.2 or above, to show the developer option Go to Settings > About Phone > Built Number (Tap on it for 5-8 times).
Step 5: In the Download mode you will be able to see a Warning Yellow Triangle Sign. In this situation you have to press the Volume up key to continue.
Step 7: Now, Open Odin3 and connect your phone to the computer.
Step 8: Once you have connected the phone to the computer, Odin will automatically recognize the device and show “Added” message at the lower-left panel.
Step 10: Now, click on the “Start” button in Odin to begin the Flashing process.
Step 14: Once Cache Data is cleared, Select Restart Phone Now from the recovery menu.
Step 15: Now, your Samsung Device will restart without any issue with the Stock Rom you have flashed.
Keep in Mind:Downloads:
[*] Data Loss Process: Flashing Stock ROM is always a data loss procedure. So, always take backup of your personal data before flashing the Stock ROM.
[*] Flashing Stock ROM or Downgrading Stock ROM does not void your Phone warranty. So, dont worry Just Flash the Stock ROM.