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[How to] Flash/Rollback Galaxy S3

17: Community Champion

How to; Flash or Rollback Firmware on the Galaxy S III


Pre-Requisites;

 

  1. Install Samsung Kies software (The drivers are needed for this process). HERE
  2. Your Phone must be detected by Samsung Kies.
  3. 7zip extraction tool HERE
  4. Backup your contents
  5. Factory Reset the Phone including Formatting the internal Storage. (remove Ext SDcard, just to be safe)

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Go to www.sammobile.com and create a Free User account


Now Click on (3) Firmwares and Files Tab.


Scroll down the Firmwares and Files Page until you see the Selector below;

Choose;

Type          = Smartphone

OS             = Android

Model       = GT-I9300 - Galaxxy S III

Country   = United Kingdom (Vodafone) - VOD

or United Kingdom - BTU ( for unbranded retail version)


Select the Firmware you require, either the Latest (top of the list) or an older version if you are Rolling Back.

The Firmware can take a long time to download, so time for a coffee or three! Smiley Wink

 

You can also Download Odin3 Flashing Tool from this page. You will need this to Flash the Firmware.


The Firmware link will take you to a page like this...


The Flashing Tool link will take you to a page like this...


I will assume you have installed 7zip;

Right click on the Flashing Tool File,

Choose 7zip

choose Extract Here


Right Click on the Firmware and Choose

Extract Here.

 

I would copy both the Flashing Tool Folder and the Firmware to the Desktop to make it easier to locate.

 

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From the Desktop open the Flashing Tool Folder and locate...

Odin3 v3.04.exe

Double left click on this file to RUN the software.


DO NOT change any settings on this Software!

 

Click on the PDA button ONLY!

do that now...

and browse to the Desktop and select the Firmware file you extracted earlier.

 


Now we need to put your Phone into Download/Odin mode.

Turn your Phone off.

Now follow the instructions in the picture below;

 


You will see a screen like the one below;

Press Volume UP to enter Odin mode.

 


 

This is Odin Mode;

 


 

Now connect your Phone to the PC with the Micro USB cable supplied with your Phone.

Wait for the Drivers to install...

The ID:Com window on the Odin3 software will highlight in Blue.

 

Now click on the START button.

 

Sometimes Odin can take a while to start flashing... WAIT!   it will start!

DO NOT disconnect the Phone until it restarts...!

 

Quickly SKIP through the setup screens and FACTORY RESET AGAIN!

 

Now setup your phone following the onscreen prompts.

 

That's it... Smiley Wink

 

Disclaimer:

I take NO responsibillity for any damage caused to YOUR phone, either inside or out!

This Guide is offered wholly and exclusively by me and is in no way affilliated to, or with VodafoneUK.

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9 REPLIES
15: Advanced member Silver

Nice reference point for those not familiar with the process.

 

Good work and Kudos!

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16: Advanced member Gold

Spot on Soupdragon as always and a good tool for Vodafone customer 


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17: Community Champion

Rolling Back to The Base ICS ROMS:

 

VOD I9300BUALE6

 

BTU I9300XXALE8

 

Follow the flashing Guide as above;

 

When the phone restarts it may hang at the SAMSUNG logo.

 

If it does, pull the battery and wait 5 seconds. Then replace the Battery and enter Recovery Mode...

Volume Up + Home + Power; press and hold until the Galaxy S logo appears and release.

 

Select Factory Reset from the Menu. (use vol up and down to navigate, press power to select)

 

The phone will restart and now startup fully.

 

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16: Advanced member Gold

Nice clean guide there Soup. Well done mate Smiley Tongue



For hints, tips and flashing guides, visit my youtube page www.youtube.com/puggereduk
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17: Community Champion

Thanks ado Smiley Wink

 

It might be a good idea to link one of your Videos here as well...?

 

The more information Members have the better!

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16: Advanced member Gold

thesoupdragon wrote:

Thanks ado Smiley Wink

 

It might be a good idea to link one of your Videos here as well...?

 

The more information Members have the better!


Indeed. I should really make some new videos as its been a while now lol



For hints, tips and flashing guides, visit my youtube page www.youtube.com/puggereduk
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3: Seeker Silver

could you do this if your s3  is rooted, and you wanted it back to original when you

first got the s3 by using the guide and files

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17: Community Champion

The guide will put your phone back to stock. However you will need to use "Triangle Away" to reset the flash counter.

 

Have a look at xda-developers.com for more information on that...

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3: Seeker Silver

I've just followed your guide after my phone locked updating it's firmware.

 

It has worked a treat and Christmas is back on again!

 

Thank you so much for posting this guide!

 

 

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