Installing JellyBean 4.1.2 (S2x) when Samsung Kies won't

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  • Updated 5 years ago
Thought I would post a workaround for those that are not able to install the latest Jelly Bean upgrade 4.1.2 through Samsung Kies. The idea being, that perhaps the moderators of the community could sticky this workaround for the time being.

Ok, the workaround is to download Odin, and the firmware from SamMobile (you'll need to register first before you can download). Fill in the boxes: smartphone > Android > SGH-T989D > Canada - KDO. Scroll down and select version 4.1.2. It looks shaded, tap on it anyway, it will download.

If you already have the latest version of Kies, all the necessary drivers are included.

SamMobile link.

Link to Odin - click where it says Odin (v3.07) is HERE, to download Odin.

Before going any further, backup any data, contacts, music, pictures, etc., this procedure will wipe everything.

Unzip, setup and start Odin.
Unzip the S2x firmware and locate the file with an .md5 extension.
Factory reset and power down your S2x.

Put your S2x in Odin or Download Mode by holding both the Volume Down key and Power button. Let go of the Power button when you feel a slight vibration, but keep holding the Volume down key until a Warning screen appears. Press the Volume Up key to continue. Now your in download mode.

With Odin open on your screen, connect the S2x via usb cable.
In Odin, click on the PDA button, (this should take you to your download folder).
Locate and click on the file with the .md5 extension.
Click Start and wait until you see a green bar and PASS in the first column of Odin.
Takes a few minutes so be patient.

Let the device boot itself. If the device hangs in a boot-loop where you only see the Galaxy S2 logo, power down the S2x. Press and hold the Up/Down Volume keys and the Power button together. When you feel a slight vibration, let go of the Power button but continue to hold the Up/Down Volume keys until you see the Android Recovery utility menu.

Using the Volume Up/Down keys, scroll to "wipe data/factory reset" and use the Power button to select. When finished, select "reboot system now".

You should now have Jellybean 4.1.2 installed on your S2x.

Usual disclaimer terminology applies, you know, the stuff about not being responsible if you turn your device into a fancy paperweight or brick. The risks are actually quite minimal, just read carefully and don't skip any steps, you still assume all responsibility and do so at your own risk.
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rikkster, Mobile Master

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Posted 5 years ago

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Chad Burr, Mobile Master

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Awesome, will I loose root?
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rikkster, Mobile Master

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Yeah, I lost it, (went through Kies, not Odin, yeah I know, lol!) along with losing the ability to input mmi/ussd codes. I was able to flash a custom recovery, but that's about it. So I'm thinking of heading back to CM 10 or maybe I'll try the MIUI ROM, didn't loose the carrier unlock though. You might be able to preserve root going through Odin, no guarantees though.
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Paul Deschamps, Mobile Master

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Great post Rikkster
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Brady Morgan

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The link for Odin wont work.
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rikkster, Mobile Master

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Thanks for the heads up, here's another link:
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Cristhian Mejia

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There seems to be two versions of Jelly Bean for the S2X. One gives you the 4G icon and comes more complete, the other the H+/3G icon and its really bare. The Kies failure is at 93% the mdm part, Odin will stall at this part as well but will finish the software update. You won't have the latest radio though. You'll need to flash a recovery and flash the radio manually. That's what I had to do.
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rikkster, Mobile Master

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Good point and that could very well be the solution to the issue where some people are experiencing poor call quality.

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