Former Writer · Oct 6, 2012 at 12:00 am

Fix Your Soft-Bricked Galaxy S III Samsung’s Way

When it comes to fixing bricks, be they hard or soft bricks, we usually have our own way of doing things. Whether it is creating jigs to force phones into download mode or unbrick mods that bring dead phones back to life, we’ve always operated in such a way that we haven’t really needed OEM support. That isn’t to say that we wouldn’t like OEM support, but they rarely hand out their repair guides.

XDA Senior Member Net.silb has managed to get a hold of the official bricked repair guide for the Samsung Galaxy S III. It is definitely an exciting read, and it outlines how Samsung handles bricked Samsung Galaxy S III devices. It is a very involved process and requires both hardware and software expertise to fix. Therefore, it is not recommended for beginners. According to the manual, you’ll be walked through the following process:

– Brief JTAG process for GT-I9300
1) Copying JTAG(bootloader) file to external SD Card, using normal GT-I9300.
2) inserting the SD card to ‘No Power’ phone, and copy the bootloader file to the defective PBA.
3) After downloading bootloader file to the defective phone, enter the download mode with the phone, and download Full S/W.(PIT, PDA, CSC, PHONE files)

In short, you will put the bootloader on a SD card, put it in the phone, use a few hardware tricks to get it to download to the phone, and use Odin to flash the firmware. There is also a picture and reference to the elusive Samsung Anyway Jig. Additionally, it is shown that when you use this method, you’ll be flashing the bootloader over something called SDCard Mode.

If you follow the process, you’ll have a functioning Galaxy S III from a previously soft-bricked device. However, that is only about half of the significance of this document. The big prize here is seeing how the Samsung techs get it done. If you’d like more info, check out the original thread.

Update: However, as Elite Recognized Developer AdamOutler points out: “This is not JTAG. It is a replacement for Joint Action Test Group and has nothing to do with JTAG. It boots Odin from SD after you short a resistor. Its closer to UnBrickable Mod than JTAG.”


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Former Writer

Former Writer is an editor on XDA-Developers, the largest community for Android users. View Former Writer's posts and articles here.
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