Download Android 4.1 2 Ucmc1 For At&t Galaxy S2
- AT&T Galaxy S2 (SGH-I777) has finally started receiving the much awaited Android 4.1.2 Jelly Bean update, this according to threads on both AT&T official and XDA forums.The build number that this Android 4.1.2 update for AT&T Galaxy S2 carries is UCMD8.It is available now for download, all users have to do is to check for said update through Samsung Kies software.
- Samsung has just started to push Android 4.1.2 Jelly Bean update to the Galaxy S II Skyrocket (AT&T USA). The Galaxy S II is the best-selling Android device of 2011 and has a very large user base that’s why Samsung keeps on updating this device with all the new Android versions as they want to provide the Galaxy S II users with their best support experience.
Apr 09, 2013 AT&T Galaxy S2 Skyrocket SGH-I727 has received the official UCMC1 Android 4.1.2 Jelly Bean firmware update that you can now install on your Android phone. The international version of Galaxy S2 had already received the official Android 4.1.2 update since a long time, but the AT&T (US) variant also got it earlier today. Install UCMD8 4.1.2 Jelly Bean Official Firmware on AT&T Galaxy S2 SGH-i777. Now boot it into a mode named Download Mode by switching the phone off. The smartphone is updated to the latest Android 4.1.2 Jelly Bean version and you should take advantage of that immediately! NOTE: But in case you see the smartphone stuck in a Welcome. Apr 09, 2013 How to Update AT&T Galaxy S2 Skyrocket SGH-I727 to Android 4.1.2 UCMC1 Jelly Bean. We have put together a detailed step-by-step instructions guide on how to update AT&T Galaxy S2 Skyrocket to Android 4.1.2 UCMC1 Jelly Bean.
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STOCK FIRMWARE INFO
Firmware Version | I727UCMC1 |
Android Version | Android Jelly Bean 4.1.2 |
Is this Official? | Yes! This is the official update by Samsung. |
Release Date | March 2013 |
Credits | SamMobile |
WARNING!
Warranty may be void of your device if you follow the procedures given on this page.
You only are responsible for your device. We won’t be liable if any damage occurs to your device and/or its components.
AT&T GALAXY S2 SGH-I727 OFFICIAL JELLY BEAN 4.1.2 FIRMWARE
Before you begin with guide instructions below, make sure your android device is adequately charged — at least 50% battery of the device.
STEP 0: CHECK DEVICE MODEL NO.
To make sure your device is eligible with this, you must first confirm its model no. in ‘About device’ option under Settings. Another way to confirm model no. is by looking for it on the packaging box of your device. It must be SGH-I727!
Do not use the procedures discussed here on any other Galaxy S2 (including the Galaxy S2 variant at Sprint, T-Mobile, US Cellular and other International variants) or any other device of Samsung or any other company. You have been warned!
Please be vary that this procedure here is only for SGH-I727 model no. of AT&T and NOT for SGH-I777 or SGH-I927 model no. of same carrier.
STEP 1: BACKUP YOUR DEVICE
Back up important data and stuff before you start playing around here as there are chances you might lose your apps and app-data (app settings, game progress, etc.), and in rare case, files on the internal memory, too.
For help on Backup and Restore, check out our exclusive page on that linked right below.
►ANDROID BACK UP AND RESTORE GUIDE: APPS AND TIPS
STEP 2: INSTALL LATEST DRIVER
You must have proper and working driver installed on your windows computer to be able to successfully flash stock firmware on your AT&T Galaxy S2. In case you’re not sure, follow the link below for a definitive guide for installing driver for your Galaxy S2 on your computer.
►SAMSUNG GALAXY S2 DRIVERS INSTALLATION GUIDE
STEP 3: INSTALLATION INSTRUCTIONS
DOWNLOADS
Download the Odin zip file and firmware file given below. Transfer both Odin and firmware file to a separate folder on your computer just to keep things tidy.
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ODIN ZIP FILE
DOWNLOAD LINK File name: Latest Odin3 v3.09.zip (951 KB)
FIRMWARE ZIP FILE
DOWNLOAD LINK MIRROR File name: I727UCMC1_I727ATTMC1_ATT.zip (463.4 MB)
STEP-BY-STEP GUIDE
Example video: If you haven’t used Odin before to install a stock firmware or anything else, then we suggest you first watch a video of that to get familiar with the process. The video demonstrates flashing of CWM Recovery on Galaxy S3, but since the procedure is same for flashing stock firmware also, the video will help: Click here to watch the video
Important Note: Backup important files stored on internal SD card of your device, so that in case a situation arises requiring you to do a factory reset after flashing stock firmware, which might format internal sd card too, your files will remain safe on PC.
- Extract/Unzip the Odin zip file, Latest Odin3 v3.09.zip on your computer (using 7-zip free software, preferably) to get this file: Odin3 v3.09.exe
- Extract/Unzip the Firmware zip file, I727UCMC1_I727ATTMC1_ATT.zip on your computer (using 7-zip free software, preferably) to get this file: KIES_HOME_I727UCMC1_I727ATTMC1_844945_REV02_user_low_ship.tar.md5
- Move the firmware file, KIES_HOME_I727UCMC1_I727ATTMC1_844945_REV02_user_low_ship.tar.md5, in the same folder in which you extracted Latest Odin3 v3.09.zip (Just for your convenience, that is). So, now you’ll have the following files in that folder:
- Odin3 v3.09.exe
- KIES_HOME_I727UCMC1_I727ATTMC1_844945_REV02_user_low_ship.tar.md5
- Disconnect the Galaxy S2 from PC if it is connected.
- Double-click the Odin3 v3.09.exe file to open Odin.
- Boot your AT&T Galaxy S2 into Download Mode:
- Power off your phone first and wait for 6-7 seconds after display is off
- Press and hold these 3 buttons together until you see Warning! screen: Volume Down + Power + Home
- Press Volume Up now to continue to Download Mode
- Connect your Galaxy S2 to PC. Odin window will show an Added!! message in bottom left box. Odin’s screen would look like this:
If you don’t get the Added! message, here are some troubleshooting tips:- Make sure you have installed driver for Galaxy S2 as said above.
- If you have already installed driver, then uninstall them and re-install back.
- Connect using a different USB port on your PC.
- Try a different USB cable. The original cable that came with your phone should work best, if not, try any other cable that’s new and of good quality.
- Reboot phone and PC and then try again.
- Load the firmware file (extracted in Step 2) into Odin as instructed below:
- Click on the AP button on Odin and select the KIES_HOME_I727UCMC1_I727ATTMC1_844945_REV02_user_low_ship.tar.md5 file (from step 2). Your Odin window should look something like the screenshot below:
- Click on the AP button on Odin and select the KIES_HOME_I727UCMC1_I727ATTMC1_844945_REV02_user_low_ship.tar.md5 file (from step 2). Your Odin window should look something like the screenshot below:
- Now in the Option section of Odin, make sure that Re-Partition box is unchecked. (Auto Reboot and F. Reset Time boxes remain checked, while all other boxes remain unchecked.)
- Double check the above two steps.
- Click the Start button to begin flashing stock firmware on your AT&T Galaxy S2 SGH-I727, and wait until you see a PASS! message in Odin’s top left box.
- When you get PASS! message, your phone will restart automatically. You can then disconnect your phone from PC.
If you see FAIL message instead of the PASS in Odin’s top left box, that’s a problem. Try this now: disconnect your Galaxy S2 from PC, close Odin, remove phone’s battery and put it back inside in 3-4 seconds, open Odin and then repeat from Step 6 of this guide again.
Also, If device is Stuck at setup connection or on any other process, then too, try this: disconnect your S2 from PC, close Odin, remove phone’s battery and put it back inside in 3-4 seconds, open Odin and then repeat from Step 6 of this guide again.
FEEDBACK US!
It was easy to flash stock Jelly Bean 4.1.2 firmware on your AT&T Galaxy S2, right? Let us know in comments below.
Your suggestions and queries, if any, are most welcomed!
Currently, there are many manufactures that are offering Android OS on their devices. But only some of them are getting succeed. Reason? Well, there are many things about a phone that affects mobile marketing. Some of them are- Build Quality, Display, Camera, Performance / Battery Life and User interface etc. As far as competition is concerned, manufacturers are trying their best to keep their customers happy. And how they are doing this? The answer is simple. They do release frequent firmware updates for their devices & gain people’s trust. This is why Samsung is currently leading in Mobile market.
Recently, Samsung has rolled out Android 4.1.2 Jelly Bean update for their Legendary phone Galaxy S2. The same is also rolled out for most of the carrier locked variants of Galaxy S2. And now, AT&T has delivered the swift gift to their Galaxy S2 customers by providing the same. The update is code named as UCMD8. Below is the list of changes you’ll observe in UCMD8 Firmware.
- Android 4.1.2 €“ Build JZO54K.
- Buttery Smooth Performance & Great Stability (Thanks to Project Butter).
- Multi-View Feature (Multi Windows Multitasking, same as in Galaxy Note 2).
- Multi-View can also be disabled
- Page Buddy.
- Notification Panel can now be customized.
- New Additions in Notification Panel.
- Smart Rotation (Screen Display adjusts to your angle of sightings).
- Continues Input in Samsung Keyboard (Like Skype or Android 4.2 Keyboard).
- Samsungs Cloud services.
- Features like Direct Call, Smart Stay and Pop-up Play.
- New Widgets From the Galaxy S3.
- 2 Home screen modes (Easy & Advance Mode).
- New Notifications bar.
- Google Now.
- HDR video.
- Purple effect on screen removed.
- Secure boot status.
- Move Apps to sd.
- New Camera App
- New Setting Icons.
So, go ahead and flash your AT&T Galaxy S2 with all new Android 4.1.2 Jelly Bean UCMD8 Firmware
Disclaimer: Steps mentioned in this article are considered as risky and can cause damage to your phone. We highly recommend that you should think once before implementing it on your phone. Read the article completely & follow all the steps at your own risk. We should not be held responsible for any damage happened to your device, while performing below mentioned steps.
This firmware is meant for AT&T Galaxy S2 I777 only. Using this guide on any other model or variant (of S2) might give you undesired results. Your device may also get bricked by doing so.
Things You’ll Require:
- AT&T Galaxy S2 SGH-i777 (Of course).
- Windows based Laptop or PC.
- USB Cable to make a connection between the phone & Computer.
- WinRAR / 7-zip or Similar Software (to unpack firmware package).
Pre-Requisites:
- Your Device Must be charged at least up 75% battery level.
- It is always recommended to backup all your data from internal storage memory (includes contacts, messages (SMS/MMS), call logs, Internet APNs etc.) as it will get wiped during flashing process (SD card will not be erased but still make a backup of it as well).
- Device specific drivers (Samsung Drivers) are necessary and must be installed on your computer in order to make the phone recognized by PC. You can install them by installing Samsung Kies. Download Kies from here. OR Download appropriate device drivers (according to Windows, you’re running) directly from the links mentioned below:
- Disable all security related software (like Antivirus) installed on your PC.
Procedure to Upgrade AT&T Galaxy S2 SGH-i777 to Android 4.1.2 UCMD8 Jelly Bean Firmware:
- Download Odin Multi Downloader v3.07 (Firmware flashing Program).
- Download Android 4.1.2 UCMD8 Jelly Bean Firmware Package from the link provided below:
- Extract firmware package (.zip file) to any convenient location on your PC. You’ll find a file with .tar.md5 extension.
- Now, turn 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 Green Android robot & downloading written below it. It means that 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, youll see that the ID:COM section (located at top left) is turned blue with a random COM port number appeared below it. Also, you’ll see “Added” text appeared in message box (If your ID:COM box doesnt turn out to be blue, don’t worry. Just install Samsung drivers using the link mentioned in Pre-requisites).
- In Odin, tick PDA tab & choose “I777UCMD8_I777ATTMD8_ATT.tar.md5″ file. Keep all the remaining options as they are & make sure that you have NOT ticked Re-Partition box.
- Finally, hit the Start button to initiate the flashing process of Jelly Bean firmware on your Galaxy S2 i777. Wait till Odin finishes its task. When flashing process gets done, Odin will display the ‘Pass’ message above ID:COM (with the Green colored background) & device will restart automatically.
- (Conditional) However if your phone gets stuck or you get a fail message then close the Odin window, disconnect phone from computer, remove battery and re-insert it and follow the same procedure again.
- Unplug the device from Computer (only if you get pass message in Odin).
- Now you will need to factory reset the phone in order to ensure proper functioning of this firmware.
- To factory reset, youll have to boot in the recovery mode. The same can be achieved by following some simple steps.
- Switch off the phone (you can do this by removing battery or pressing power button).
- Press & hold Volume up + Volume down together & then press Power key. You can release Power button as soon as Samsung logo appears.
- Your device is now booted into recovery mode.
- 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 partition.
- After performing required actions in recovery, finally hit reboot system now option to restart the phone.
- You will observe that the phone is taking longer time to boot (than usual) but dont worry, this is for the first time only.
Well Done! Android 4.1.2 UCMD8 Firmware is successfully installed on your AT&T Galaxy S2 SGH-i777. Let us know how the update is working for you. If you’ve any questions / problems, share them with us, using a comment section below, we’ll try to solve it as soon as possible. Enjoy!
Download Android 4.1 2 Ucmc1 For At&t Galaxy S2 2
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