How to flash Samsung mobile

Fast you download odin tools.next download firmware file
Follow these steps to enter downloadmode/odin mode
1.power off you device/press and hold Volume Down key and power key/when your device vibrates.release power key whiile keep holdding the voume key and hoom



press Volume Up key to enter Donload mode.which has agreen rebot figure and downloading do not turn off target



Connect your device to PC.

You device should be automatically recognized by Odin. At the lower-left of Odin interface, it should show a message that says "Added!" and in the meantime you should see a light-blue box at the ID:COM section stating "COM:3" (the number depend on which USB port you have plugged the device cable and is irrelevant).

Click "PDA" or "AP" to add tar.md5 file that you have extracted and then "Start".

After adding the file, click "Start" to begin the flashing process.

When the flashing process is done and if everything goes well, you should see a big green box saying "RESET" or "PASSED" (depends on the version of Odin is used). By now, the device should be rebooted and it is safe to remove/unplug your devic