Flashing stock ROM with Odin (Unbrick Galaxy Y)

Samsung Galaxy Y attempting to start in Download mode.

Today I went back to the stock ROM for a bit and decided to record it this time, and finally it ended up being a tutorial.

So before we begin, you need to download some stuff.
Here are the download links to Odin and Samsung Kies:

Odin v1.85: Click here.

Samsung Kies: Click here.

You can find the firmware packages here.

Choose a firmware depending on where you live (e.g. Europe, Asia, Philippines, etc).

Now that you have downloaded the required files, follow instructions in the video below: