[Beginners Guide] Rooting the AT&T GalaxyS3 the Easy Way

Skunk Ape1 · May 23, 2013

davebegue said:
Hi Mr. Skunk ape, thanks for all the great info! Another dumb noob question for someone, a few pages back the scary possibility of a mismatched rom/kernel was mentioned, and noted that it should be avoided. Aren't most roms or hopefully all come with a kernel kind of right in with the rom download? Like how would one get the wrong kernel in the first place?

Sent from my SAMSUNG-SGH-I747 using xda premium

All Roms for the gs3 come with a kernel. However, you can flash the kernel separately. There are really only 2 types of kernels for the AT&T GS3 (Touchwiz or CM/AOSP). As long as you use a CM/AOSP kernel with a CM/AOSP Rom and a touchwiz kernel with a touchwiz Rom, you should be fine.

Never flash anything to your phone that's not specifically made for the at&t gs3.

Phaildroid · May 27, 2013

Does this method work on all versions of the i747 (as in ICS/JB)?

Skunk Ape1 · May 27, 2013

Phaildroid said:
Does this method work on all versions of the i747 (as in ICS/JB)?

Isn't that what the op states in the 2nd paragraph? Yes it will root any software version.

Skunk Ape1 · May 29, 2013

davebegue said:
This might be the wrong place right? Sorry in advance. What is aroma? What is ucdlk3? Are these two topics significant to me a noob thinking about rooting and custom rom flash?

Sent from my SAMSUNG-SGH-I747 using xda premium

The aroma is an overlay that runs in recovery. It gives the ability to choose custom installation options during a flash.

The advantage of that is you can install options you want. The disadvantages are that the Rom could literally double in size taking longer to download and more space on your phone. If you ask me there are better methods to give people custom options without aroma.

I would have to look up ucdlk3 as I'm not familiar with it.

post-mortem · May 30, 2013

UCDLK3 is the latest version of Android (4.1.1, build JRO03C) which is available for the AT&T version of the SGS3 (SGH-I747).

BTW, speaking of Aroma, there's also Aroma File Manager, which allows you to perform basic file operations on your phone through recovery. This is very useful if your phone is unable to boot, and your recovery doesn't have a file manager built in to it.

Skunk Ape1 · May 30, 2013

davebegue said:
thanks so much for the info! As far as that ucdlk3, would I be limited to only flashing roms that reference that?

Sent from my SAMSUNG-SGH-I747 using xda premium

Your build will change to whatever build version the Rom is based off of. I've never had an at&t phone so I'm not familiar with there build #s. Hell, I no longer have the gs3.

GoghGirl · Jun 3, 2013

I am trying to root an AT&T GS3 GT 19300 TTT

I successfully passed the Odin step

Code:

<OSM> recovery.tar.md5 is valid.
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/006> Odin v.3 engine (ID:6)..
<ID:0/006> File analysis..
<ID:0/006> SetupConnection..
<ID:0/006> Initialzation..
<ID:0/006> Get PIT for mapping..
<ID:0/006> Firmware update start..
<ID:0/006> recovery.img
<ID:0/006> NAND Write Start!! 
<ID:0/006> RQT_CLOSE !!
<ID:0/006> RES OK !!
<ID:0/006> Remain Port ....  0 
<OSM> All threads completed. (succeed 1 / failed 0)
<ID:0/006> Removed!!

I pull the battery. Unplug the cord.
I hold the volume UP, power and home button as it powers on and stop when Samsung is displayed. Recovery never opens. The top left corner displays a little red line. It freezes on the Samsung logo.
What is going wrong?

Skunk Ape1 · Jun 3, 2013

GoghGirl said:
I am trying to root an AT&T GS3 GT 19300 TTT

I successfully passed the Odin step

Code:

<OSM> recovery.tar.md5 is valid. <OSM> Checking MD5 finished Sucessfully.. <OSM> Leave CS.. <ID:0/006> Odin v.3 engine (ID:6).. <ID:0/006> File analysis.. <ID:0/006> SetupConnection.. <ID:0/006> Initialzation.. <ID:0/006> Get PIT for mapping.. <ID:0/006> Firmware update start.. <ID:0/006> recovery.img <ID:0/006> NAND Write Start!! <ID:0/006> RQT_CLOSE !! <ID:0/006> RES OK !! <ID:0/006> Remain Port .... 0 <OSM> All threads completed. (succeed 1 / failed 0) <ID:0/006> Removed!!

I pull the battery. Unplug the cord.
I hold the volume UP, power and home button as it powers on and stop when Samsung is displayed. Recovery never opens. The top left corner displays a little red line. It freezes on the Samsung logo.
What is going wrong?

Can I ask you where you're located? You seem to be in the wrong forum. And therefore using the wrong root method. You have an international gs3. This is for the us version gs3 I747

GoghGirl · Jun 3, 2013

Skunk Ape1 said:
Can I ask you where you're located? You seem to be in the wrong forum. And therefore using the wrong root method. You have an international gs3. This is for the us version gs3 I747

I am in the US. I am using At&T. Not actually my phone, company phone that I have been told to root for QA testing.
What root method should I be using?

post-mortem · Jun 3, 2013

1st you need to make sure exactly what model phone you have. As Skunk Ape1 said, this forum is for the SGH-I747 (AT&T SGS3). If your phone is the GT-I9300, you can root using one of the methods in Q1 here.

Skunk Ape1 · Jun 4, 2013

GoghGirl said:
I am in the US. I am using At&T. Not actually my phone, company phone that I have been told to root for QA testing.
What root method should I be using?

I hope you didn't brick it.

alextric96 · Jun 11, 2013

This will give you SuperUser access right? lol sorry for the noob question, just new around here

MechaGen · Jun 11, 2013

Skunk Ape1 said:
Download TWRP 2.3.1.0 here.

The TWRP recovery in the OP, (and above) is for Sprint S3! It works on the AT&T galaxy S3, but really screws you up if you flash a multi carrier ROM like Synergy!

Rooted my wife's S3 following this guide, installed TWRP, flashed Synergy and all of a sudden the phone thinks it's on Sprint. Took me hours to get the correct recovery and fix the ROM.

Seriously though, thanks for the guide.

Sent from my Barnes & Noble Nook HD+ using Tapatalk 2

Skunk Ape1 · Jun 11, 2013

MechaGen said:
Skunk Ape1 said:

Download TWRP 2.3.1.0 here.

The TWRP recovery in the OP, (and above) is for Sprint S3! It works on the AT&T galaxy S3, but really screws you up if you flash a multi carrier ROM like Synergy!

Rooted my wife's S3 following this guide, installed TWRP, flashed Synergy and all of a sudden the phone thinks it's on Sprint. Took me hours to get the correct recovery and fix the ROM.

Seriously though, thanks for the guide.

Sent from my Barnes & Noble Nook HD+ using Tapatalk 2

Click to expand...

Click to collapse

The recovery does not do anything of the kind. The Rom you flashed did that. The twrp recovery was at one time for the at&t it's just old. The recovery doesn't add our change anything to make your phone think it's on Sprint. The synegy rom is multi-carrier but still has a different zip file for each carrier. If you flash the one for sprint (obviously you did) it will screw up your phone (which it did).

Instead of blaming the root process and file I provided, try pointing your finger into the mirror. The blame goes to you.

post-mortem · Jun 11, 2013

For reference, here's the TWRP page for the SGH-I747 (d2att):
http://www.teamw.in/project/twrp2/104

Skunk Ape1 · Jun 11, 2013

post-mortem said:
For reference, here's the TWRP page for the SGH-I747 (d2att):
http://www.teamw.in/project/twrp2/104

Thanks for proving my point. If you follow post-mortem's link to the official twrp AT&T page and then under "Download - Odin Flashable Tar:" you will see
Select the latest .tar file from here You will quite plainly see that twrp 2.3.1.0 is for the at&T phone.

I said to myself when I originally posted this guide that the 1st time some moron screws up their phone and blames this method/files or me, I would remove the guide and support I've given.

This guide has made it a year and a half and I continued to support it for a full 6 months after I myself have moved on to another device. I have always supported my threads as long as they're up but since I will no longer be supporting this thread my guide must come down.

.It was a good run and I hope it has helped many of you but it ends here.

radtech777 · Jun 11, 2013

Thanks for sharing your talents with us and all you did for our community. I used your method a while back and it worked perfectly and quickly. :thumbup:

:beer:

Sent from my SAMSUNG-SGH-I747 using xda app-developers app

bomba_king · Jun 12, 2013

Need Help - Wifi not working after install of Synergyrom 484

Need help fixing an issue im getting with the WIFI after installing Synergyrom r484 on my S3 SGH-I747M,

Phone is working fine except I cant seem to turn on WIFI. please help TIA

post-mortem · Jun 12, 2013

You'll probably get better help in your ROM's thread, but the first thing I would try is to reflash the ROM.

Skunk Ape1 · Jun 12, 2013

post-mortem said:
You'll probably get better help in your ROM's thread, but the first thing I would try is to reflash the ROM.

And make sure you are flashing the one made for YOUR phone. The synergy Rom has versions available for many different carriers. If you flashed the wrong one, you will likely be in a world of hurt.

[Beginners Guide] Rooting the AT&T GalaxyS3 the Easy Way

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