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How to unroot Samsung Galaxy S3 Alpha DoCoMo SC-03E [Guide]

These are the steps to unroot Samsung Galaxy S3 Alpha SC-03E smartphones by flashing the official stock ROM back on the device. The DoCoMo variant of the Samsung Galaxy S3 is prominent in Japan. Using this guide, you can easily flash the stock ROM and return the smartphone to the way it was when you first opened it out of the box.

Samsung Galaxy S3 [1]

REQUIREMENTS

BEFORE WE BEGIN

HOW TO UNROOT SAMSUNG GALAXY S3 ALPHA SC-03E

  1. Download the Samsung Galaxy S3 SC-03E stock ROM from this link [4].
  2. Download the latest Odin flash tool from this link [5].
  3. Extract the two files on the desktop by right-clicking and choosing the “extract here” option from the menu.
  4. Tap on the Power button > Device Options and choose to Power off your Samsung Galaxy S3 smartphone.
  5. Reboot the Samsung Galaxy S3 DoCoMo smartphone in download mode [6].
  6. Connect the Samsung S3 from Japan to the computer using the USB cable.
  7. Click the PDA/AP button you can see from the Odin user-interface.
  8. Browse the desktop and upload your extracted stock ROM for the S3.
  9. Click the Start button and the Odin app on the computer will flash your stock ROM.
  10. Unplug the Samsung Galaxy S3 DoCoMo from the computer once you see the Odin user-interface is giving you the pass message and your S3 reboots automatically.

Those who do not see the Samsung Galaxy S3 DoCoMo smartphone root will need to do that manually now before installing apps from the Google Play Store.

As soon as the S3 smartphone does reboot, you are ready to start installing any of the apps which require root access to run like the Titanium Backup application. Those who would like to taking backing up the device a step further might be interested in installing a custom recovery on the Samsung Galaxy S3 DoCoMo smartphone so they can start taking NANDroid Backups.