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[GT-I9305] Australian Samsung Galaxy SIII 4G Root Guide - NOT for other variants

OP mick.wheelz

26th September 2012, 12:14 PM   |  #1  
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Guide to rooting your Samsung Galaxy SIII 4G - I9305 - Optus firmware

Hi Everyone, so I have been spending the last 3 or 4 days trying to work out how I can gain root access on my I9305.

The only thing I was able to find was horror stories of people bricking their devices...

After a lot of research (and quickly learning how android OS images work!) I was able to generate my own custom rom for the i9305.





Things to note:

THIS IS FOR THE AUSTRALIAN I9305 (OPTUS) SGSIII 4G ONLY! DO NOT FLASH THIS IMAGES TO ANY OTHER DEVICE!!!

I will not be responsible for any damage done to your device or PC(s), flashing custom rom's can be risky, so please be careful!

This will most likely wipe your phone, so make sure you backup first!

This rom is 100% stock, it does not remove any optus apps or branding,

This will NOT give you the yellow triangle at boot

the MD5 sums for the files are below


9ef61bf0876b871a5b66ea273fa60079
I9305_XXALI5_root.z01

10f92f3221b95d545f779da4e8b3233f
I9305_XXALI5_root.z02

0c0b1415390777d27c24f0ae88ad67d1
I9305_XXALI5_root.zip

eefe9d3736e69542603ccebd3607c300
I9305XXALI5_I9305OPSALI5_I9305XXALI5_HOME.tar

to check these, download MD5summer from www.md5summer.org

How did I do it?

I originally created an insecure boot image, flashed it to the device and tried to gain root via adb, however this did not work, so I unpacked the system image file, added the nessicary binaries and repacked it.

Once I had done this, I was able to flash the system image with odin.

What do I need to do?

1. Download Odin (you might be able to use heimdall, however I have not tested this!)

https://hotfile.com/dl/173880315/eee..._1.85.zip.html

2. Download the image (3 parts, zip files)


hotfile links;
https://hotfile.com/dl/173881708/7d5..._root.zip.html - Part 1
https://hotfile.com/dl/173888603/d6f..._root.z01.html - Part 2
https://hotfile.com/dl/173900825/735..._root.z02.html - Part 3

Direct links - big thanks to JJJohan1 for the hosting!
http://www.renscreations.com/i9305/I...XALI5_root.zip - Part 1
http://www.renscreations.com/i9305/I...XALI5_root.z01 - Part 2
http://www.renscreations.com/i9305/I...XALI5_root.z02 - Part 3


3. Unzip Odin to an easy to access place (such as your desktop)

4. Unzip the image file to the same directory.

Use either winrar (www.rarlabs.com) or 7-zip (www.7-zip.org) to extract the multi-part zip.

5. Boot your SGS in to download mode
(power off... then press and hold the power + volume down + home buttons at the same time)

6. Connect your phone to your PC using the cable that came with it.
If you are using a laptop make sure you connect it to a port on the machine not the docking station (if you have one). If your machine has USB3 try to avoid using the USB3 ports.

7. Open the Odin application
Make sure your phone is detected, there will be a yellow square in the top left corner (see below screen dump)

8. Make sure it looks similar to the below screen (same options ticked, the .tar file in the 'PDA' section)



9. Press start and wait. Your phone will be flashed and reboot when it is finished.

10. That's It, once the phone has booted you will have root access.
Last edited by mick.wheelz; 27th September 2012 at 06:23 AM.
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26th September 2012, 12:36 PM   |  #2  
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Very clever mick,

Well done.
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26th September 2012, 01:06 PM   |  #3  
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Amazing work! So with the three zips - best way to join as one?
26th September 2012, 01:13 PM   |  #4  
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i use winrar, however you could use 7-zip as well.

www.rarlabs.com or www.7-zip.org
Last edited by mick.wheelz; 26th September 2012 at 01:23 PM.
26th September 2012, 01:45 PM   |  #5  
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I'll upload these to my own site for faster immediate download for others . I'm currently redownloading part 3 since it seems to be corrupted. Eager to root my phone, thanks for the ROM!
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26th September 2012, 02:19 PM   |  #6  
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I am willing to bet it will work on any GT-I9305... Even the european one As its exactly like someone flashing A I9300 to a I9300 from australia or a I9300T they all work together I have done it perfectly without a problem.

So I would say All I9305 are the same Overseas and australians... BUT IT HAS TO BE I9305 Model number
26th September 2012, 02:21 PM   |  #7  
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no problems. let me know if you have any dramas. Here are the MD5 sums for the files

9ef61bf0876b871a5b66ea273fa60079
I9305_XXALI5_root.z01

10f92f3221b95d545f779da4e8b3233f
I9305_XXALI5_root.z02

0c0b1415390777d27c24f0ae88ad67d1
I9305_XXALI5_root.zip

eefe9d3736e69542603ccebd3607c300
I9305XXALI5_I9305OPSALI5_I9305XXALI5_HOME.tar
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26th September 2012, 02:33 PM   |  #8  
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Quote:
Originally Posted by btemtd

I am willing to bet it will work on any GT-I9305... Even the european one As its exactly like someone flashing A I9300 to a I9300 from australia or a I9300T they all work together I have done it perfectly without a problem.

So I would say All I9305 are the same Overseas and australians... BUT IT HAS TO BE I9305 Model number

if someone wants to test and comfirm, I will update the thread accordingly. I only have my optus I9305 to test with.
26th September 2012, 02:33 PM   |  #9  
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Great, it's extracted fine now. I'll let you know how it goes. Uploading for those still waiting .
26th September 2012, 02:34 PM   |  #10  
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Quote:
Originally Posted by mick.wheelz

no problems. let me know if you have any dramas. Here are the MD5 sums for the files

9ef61bf0876b871a5b66ea273fa60079
I9305_XXALI5_root.z01

10f92f3221b95d545f779da4e8b3233f
I9305_XXALI5_root.z02

0c0b1415390777d27c24f0ae88ad67d1
I9305_XXALI5_root.zip

eefe9d3736e69542603ccebd3607c300
I9305XXALI5_I9305OPSALI5_I9305XXALI5_HOME.tar

Add the md5 to the first link mate! so others shouldn't ask again n again!

I think I've to sell my GT 19300 now I've heard alot about 4G speed.

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