Those T-Mobile Galaxy S2 users who were eagerly waiting for an Official Jelly Bean upgrade, its finally here. This update has build number UVMC6. Every carrier wants to have large no. of Customers. And hence there is tough fight between US carriers like AT&T and T-Mobile. Both the carriers have rolled out JB upgrade for their Galaxy S2 at the same time.

1. Root Download For Galaxy S
2. Root Download For Pc
3. Android Root Download

T-Mobile USA has released the official Android 4.1.2 Jelly Bean update for Samsung Galaxy S2 (SGH-T989). This Android 4.1.2 is packed with a new baseband version T989UVMC6 and brings some Jelly Bean goodies such as Google Now, Voice recognition and other stuff. HOW TO: Install XperiaZwiz Android 4.1.2 Jelly Bean on Samsung Galaxy S2 SGH-T989. We have put together a detailed step-by-step instructions guide on how to install XperiaZwiz Android 4.1.2 Jelly Bean custom firmware on T-Mobile Galaxy S2 SGH-T989.

Jelly Bean is most appreciable Android version till now because it offers many features than ICS and GB. It is much faster, smoother and reliable update. Lets checkout some features of Jelly Bean:

This ParanoidAndroid ROM based on Android 4.1.1 Jelly Bean is now available for T-Mobile Samsung Galaxy S2 T989. Thanks to XDA member jay.dub for compiling and bringing this for you. The latest Android 4.1.1 is known for its smooth interface, Google Now, offline voice typing etc. All these features are incorporated in this 2.13 ParanoidAndroid ROM. Install stock Android 4.1.2 Jelly Bean firmware on T-Mobile Galaxy S2 SGH-T989. Click the link to follow through the instructions and downloads. The present root method is provided for all the Samsung Galaxy S2 I9100 owners that have run the latest Android 4.1.2 Jelly Bean XWLSS firmware who want to root their device or to install a custom ROM firmware, custom recovery tools, and to do other custom optimization on their S2 device. Jan 31, 2013  Here's a tutorial on how to root your Galaxy S2 GT-i9100 on Jelly Bean (Android 4.1.1 or 4.1.2)! Download and Step-by-Step tutorial here: http://galaxys2root. Samsung’s promise to bless the Samsung Galaxy S2 GT-19100 with the latest Android 4.1.2 Jelly Bean Firmware update has given a new reason to the owners of the phone to entertain it for a longer time.

Enhancements in the New Jelly Bean Update:

• Buttery Smooth Performance & Great Stability (Thanks to Project Butter)
• Full User Interface Revamp (Same UI as of the Galaxy S3I and Galaxy Note 2)
• TouchWiz Nature UX
• Samsungs S Cloud services
• Improved Camera features
• New Lockscreen With Many Customization Options
• New Features like Direct Call, Smart Stay and Pop-up Play
• New Widgets (From Galaxy S3)
• 2 Home screen modes
• New Notification bar With More Notification Toggles
• Google Now

As given in enhancements, Samsung has included their own TouchWiz Nature UX launcher (the same launcher that is used in Galaxy S3 and Note 2) in this update. More settings for Lockscreens, Actionable notifications, Smart Stay & Pop-up play are some of the key features of Samsung’s JB.

So, in this article we’re going to show you how one can update his / her T-Mobile Galaxy S2 T989 to Android 4.1.2 UVMC6 Jelly Bean firmware manually.

Disclaimer : Steps given in this article are considered as risky & can cause damage to your device. You should not try to attempt these things if you aren’t aware of it. Please follow this guide completely at your own risk. If any damage happened to your device while following this tutorial, we should not be held liable for it.

The given article is strictly intended for T-Mobile Galaxy S2 T989. Using this guide on any other model or variant (of S2) might give you undesired results. Your device may get bricked by doing so.

Pre-Requisites:

• Charge your device up to 75% battery level.

• It is highly recommended to backup all your data from internal storage memory (includes contacts, messages (SMS/MMS), call logs, Internet APNs etc.). Your phone data will vanish after installation of this firmware (excluding External storage like SD card).

• Samsung device drivers must be installed on your computer in order to make the phone recognized by it. You can install the same by installing Samsung Kies. To download it manually, click here. OR Download device drivers directly from below:

Procedure to Update T-Mobile Galaxy S2 T989 with UVMC6 Jelly Bean Firmware (Android 4.1.2):

• Download Odin Multi Downloader v3.07 (Firmware flashing Program) & Jelly Bean 4.1.2 Package from the links mentioned below :

• Extract firmware package (.zip file) to any convenient location on your computer. You’ll find a file with .tar.md5 extension.

• Now, switch off the phone completely. Enter into download mode. For doing the same, press & hold Volume down + Home button (Middle one). While holding both buttons, simply press Power key till you see the warning message appeared on your phone screen. Press Volume up to continue. Finally you’ll see the construction Android robot & a yellow triangle, that means your device has entered in download mode.

• Open Odin Multi Downloader tool on your Computer which you’ve just downloaded & connect the phone using USB cable.

• If your phone is connected successfully, you’ll see that the ID:COM section (located at top left) is turned blue with a random COM port number appeared below it (If your ID:COM box doesn’t turn out to be blue, don’t worry. Just install Samsung drivers using the link mentioned in Pre-requisites).

• In Odin, select PDA tab & choose “T989UVMC6_T989TMB_T989UVMC6_HOME.tar.md5″ file. Keep all the remaining options as they are & make sure that Re-Partition box is not ticked.

• Finally hit Start button to initiate the flashing process of Android 4.1.2 Jelly Bean firmware on your T-Mobile Galaxy S2. Sit back & relax until Odin finishes its task. When flashing process gets done, Odin will display the Pass message above ID:COM (with the Green background color) & device will restart automatically.

• Unplug the device from Computer.

• Now you will need to factory reset the phone in order to avoid boot loops & malfunctioning of the phone.

• To factory reset, you’ll have to boot in the recovery mode. The same can be achieved by following some simple steps.

1. Switch off the phone (you can do this by removing battery or pressing power button).
2. Press & hold Volume up + Volume down button together & then press Power key. You can release Power button as soon as Samsung logo appears.
3. Your device is now booted into recovery mode.

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• Since touch wont work in recovery, use Volume up/down & power key only for navigation & selection respectively.

• Now highlight Wipe data/factory reset by using Volume buttons & select it using power key. The same you have to do with Wipe Cache.

• After getting done with all these things, select reboot system now option to restart the phone.

• You may see that the phone is booting slowly than usual but don’t worry it’s normal & this is for the first time only.

Congratulations! Your T-Mobile Galaxy S2 is successfully updated to Android 4.1.2 UVMC6 Jelly Bean firmware. Feel free to ask any doubt in comment section below, we will try our best to answer you as quick as possible.

Jelly Bean 4.1.2 OTA Update has been released for the T-Mobile variant of the Samsung Galaxy S2 model number T989. Use this tutorial and learn how to successfully flash this firmware update and update your device with the latest available OS. Make sure to ask for extra help in comments in case you cannot complete the update.

Android 4.1 Jelly Bean update has the version number UVMC6 and it brings an improved TouchWiz Nature UX 2.0 interface. Some of the best features of this update are the new lockscreen widgets support, two home screen modes, Direct Call, Smart Stay, better camera functions, Google Now and tons of other new Jelly Bean tweaks. In order to make sure that you successfully flash this update on your smartphone, then you should read the preparation guide below before getting to the tutorial:

• Use this tutorial only for the T-Mobile US Samsung Galaxy S2 model number T989. Do not attempt to update any other devices as you might brick them.
• This is an official OTA update and it will revoke any root access that you had until now. Use this tutorial only if you what you're doing.
• Make sure that you have all the Samsung USB drivers installed on your computer. Without these files, your device won't be recognized by ODIN app and you cannot complete the update.
• Create backups of all files that are currently installed on your device.
• We cannot be held responsible in case you lose data or you brick the phone in the process. This is a guide for advanced users.
• Enable USB debugging option from the Developer Options menu.
• Read the entire tutorial and make sure that you won't skip any steps that I have listed in this post. Ask for extra help in comments in case you cannot complete the update.

These were all the guidelines you had to go over before getting to the next part of this post. The update should be completed easily if you carefully read all the steps I've listed below.

How to update the T-Mobile Galaxy S2 T989 to Android 4.1.2 UVMC6 Jelly Bean firmware:

1. Download the UVCM6 Android 4.1.2 Jelly Bean firmware from HERE or from HERE. Save the file on your PC.
2. Extract the contents of this zip and save them in a single folder on your PC. You will get a '.tar.md5' file and you shouldn't extract it any further.
3. Download Odin 3.04 zip from HERE. Extract the contents of the zip when the download is complete. The exe of ODIN is the tool you're gonna use in order to update your smartphone.
4. Power off the smartphone.
5. Next, plug the USB cable into your PC only. Then, press simultaneously Volume Up and Volume Down buttons of your phone and then plug the USB cable into the phone also. Now you can release the volume buttons. When you'll see the Warning alert you need to press Volume Up and continue to Download Mode.
6. Launch ODIN executable now. Odin will say 'Added!!' and you can continue to the next step.
7. Click PDA tab in ODIN and then browse your PC for the .tar.md5 file you extracted at step 2. Don't change any default options in ODIN. You only have to make sure that the Re-Partition option is not enabled.
8. Press the START button when you're ready to update your device.
9. The updating process should start now and you need to wait until it is complete.
10. After all Android 4.1.2 UVMC6 Jelly Bean update files have been successfully flashed, you should see the phone restarting.
11. Unplug the USB cable from the phone when the Samsung logo animations appears. Odin will say 'PASS' and that means that the update has been completed.
12. Wait for the phone to boot into normal mode and take control over your device once again. Test the new functions and tell us in comments if you cannot complete the update.

NOTE: If ODIN fails or it freezes then you need to power off the device by removing its battery. Close ODIN and then re-insert the phone's battery. Repeat the entire tutorial starting with step 5 and this time you have to make sure that you successfully apply all the steps that I have listed above.

In case ODIN says 'PASS' but the phone doesn't boot into normal mode, then you will have to wipe data and factory reset the device from your device's Stock Recovery. It will force it to boot into normal mode and you will be able to use the Android 4.1.2 UVMC6 Jelly Bean OS. Here's how to do that:

• Power off your device.
• Boot it into Recovery mode.
• Select 'wipe data/ factory reset' option. Confirm. Note that this will delete all files from your device's /system partition.
• Select 'reboot system now'.
• Wait for the smartphone to boot into normal mode and then you have to enter your Google Account details.

These were all the steps that you had to take in order to update your smartphone to Android 4.1.2 Jelly Bean UVMC6 firmware. In case you're having any other problems then you should ask for more help in comments.

I know im a little late to the party but is there anyway to do this without pkugging it into a coumputer? for some reason my phone will not recogize that its plugged in but i do know you can load thinds from a micro sd

Nice article. I went from AOKP 4.2.2 back to stock bits to restore the wifi calling. Everything went OK with odin, but got stuck with Samsung animation on final boot. Had to clear the cache to fix that, then it was fine. The wipe data/factory reset option wasn't enough to get the job done.

Thank You . This one worked . Really appreciate it !

Thanks for uploading the instruction about updating android os...thnk u so much

My T989 S2, updated to Jelly Bean a couple months ago via Kies, started getting stuck in the boot process. So I wanted to try to reflash the JB Update. FW Passed MD5 check then Odin got an error
Added!!
Enter CS for MD5.
Check MD5. Do not unplug the cable.
Please wait.
T989UVMC6_T989TMB_T989UVMC6_HOME.tar.md5 is valid.
Checking MD5 finished Sucessfully.
Leave CS.
Odin v.3 engine (ID:13).
File analysis.
SetupConnection.
Initialzation.
Get PIT for mapping.
Firmware update start.
aboot.mbn
NAND Write Start!!
amss.bin
boot.img
cache.img.ext4
mdm.bin
recovery.img
rpm.mbn
sbl2.mbn
sbl3.mbn
system.img.ext4
Complete(Write) operation failed.
All threads completed. (succeed 0 / failed 1)
Removed!!
Added!!

Now phone is asking for firmware recovery mode.. HELP!

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Hey man don't know if you still want help since it's been a year but I'll help ya anyway cause I found out how to do it on my phone and I'm really happy. This same thing happened to me so I disconnected the cable while it was in download mode. When you plug it back in it should say 'recovery went wrong and need to install from Kies' or something like that. Then if you do not already have Kies, install it. Ablebits auto bcc. Open up Kies and go up to tools at the top. Under tools go to Firmware Upgrade and Initialization. Your phone should still be plugged in at this point. Finally just follow the steps and you should be good to go. Good Luck! :)

It won't go into recovery. Its just flashing Samsung

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I have a SGH-T989 and last couple of days its been acting. I can not factory reset the phone. It says its done when it is restart nothing changed. Reason I am trying to do this device reboot itself randomly. It doesn't allow me to uninstall any app. I try this everything seems went well at the end everything the same. Pls help!