How to update Samsung Galaxy S3 I9300 to Android 4.1.2 Jelly Bean XXEMD2 Firmware?

I’ll be explaining how to update your Galaxy S3 to Android 4.1.2 Jelly Bean XXEMD2 Firmware from the scratch. It’s pretty straight forward if you carefully follow the steps below.

What you need?

All are compatible to XP/Vista/Win7/Win8.

Steps

  1. Power off your device. Plug it in the computer with USB cable. Boot it into “Download Mode” by pressing and keeping hold in the same time the Volume Down + Home + Power buttons. A warning will come out, press Volume Up to approve it.
  2. Open ODIN in your computer. If you have the appropriate USB drivers, your phone will be shown as “Added“. Click on “PDA” and browse firmware file that you have downloaded.

    ODIN Settings
    ODIN Settings
  3. Hit the “Start” button. Wait until it is completed.
    Update is in progress
    Update is in progress

    Getting ready
    Getting ready

It will take a few minutes. After that, you will meet your brand new Android!

Enjoy your Galaxy S3!
Enjoy your Galaxy S3!

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