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Users of Samsung Galaxy S3 with the model number I747M can now upgrade their devices from Android 4.0.4 Ice Cream Sandwich to the new Android 4.1.1 Jelly Bean (I747MUMBLL1) as the handset has started receiving the firmware update in Puerto Rico.

Samsung Galaxy S3 I747M is mainly available in North America with carriers including AT&T, Bell, Rogers, Telus, SaskTel and Virgin. The users can install the latest firmware update on their handsets through over the air (OTA) update or KIES utility. In addition, for those who prefer a manual installation, there is a way of doing that as well.

The manual installation procedure, explained below, involves a tool called ODIN that helps flashing the stock Android 4.1.1 firmware in Samsung Galaxy S3 I747M. The users are recommended to have proper backups for their data on the device since there are chances of losing installed apps and settings during the process.

Here are the firmware details:

PDA: I747MUMBLL1

CSC: I747MPCTBLL1

Version: 4.1.1

Date: 2012-12-21

Below are some significant aspects that the users must be aware of before trying out the steps to install the firmware update.

- Ensure that your Samsung Galaxy S3 has at least 80 percent battery power.

- Make sure that you have the USB drivers for your device installed on your computer. [Download]

- Ensure that USB Debugging is enabled.

- This tutorial is only for Samsung Galaxy S3, model number I747. Don’t try this on any other Android device.

- Android 4.1.1 Jelly Bean I747MUMBLL1 is an official firmware. Therefore, after installing it on your Galaxy S3, you will lose root if you have any. You will have to root the device once again to regain the full system access.

- After flashing the firmware, you will lose custom ROMs such as CM10, Paranoid Android or AOKP installed in your device.

- You will also lose custom recovery such as ClockworkMod Recovery or TWRP Recovery if you have any.

The users also must note that IBTimes will not be held responsible for anything that goes wrong. They should proceed at their own risk.

Steps To Follow

Step 1: Download Android 4.1.1 I747MUMBLL1 for Samsung Galaxy S3 I747M and extract the file.

Step 2: Download ODIN 3.07 and extract the file.

Step 3: Turn off Galaxy S3 and put it on the Download Mode. To do this, press and hold the Volume Down and Home buttons while pressing the Power button until the Samsung Galaxy logo appears on the screen.

Step 4: Run ODIN 3.07.exe as an Administrator.

Step 5: Connect Galaxy S3 I747 to your computer via USB while it is on the Download Mode. If the device is connected properly, one of the ID:COM boxes will turn yellow with the COM port number.

Step 6: Select the following files in Odin at relevant tabs from extracted I747MUMBLL1 firmware folder:

- Click on PDA and select file with CODE in its name.

- Click on Phone and select file with MODEM in its name. (Ignore this step if there is no such file)

- Click on CSC and select file with CSC in its name. (Ignore this step if there is no such file)

- Click on PIT and select the .pit file. Use this file only if you get it while extracting the zip file mentioned in step 1 or else just ignore it.

Step 7: In Odin window, make sure that Auto Reboot and F. Reset Time checkboxes are selected. In addition, if you are using a .pit file, ensure that Re-Partition checkbox is selected. Otherwise, it should NOT be ticked.

Step 8: Click on the START button to initiate the flashing process.

Step 9: After flashing is done, you will see a PASS message with a green background in the leftmost box at the top of the Odin.

Samsung Galaxy S3 I747 will now reboot on its own. Once you get the Samsung logo on the home screen, disconnect the device from the computer.

[Source: Android Jinn]