Click the Start button and it’ll start the firmware installation. Open Odin and it’ll automatically detect your device and a Blue box will appear with the COM port number.
When the flashing process is done and if everything goes well, you should see a big green box saying PASS!. In download mode, connect your smartphone to the PC using the USB cable that came with your smartphone. As the first step, extract and unzip the downloaded firmware files on your Windows PC Right click on Odin flash tool and click on Run as Administrator Boot.