Samsung Galaxy Grand Duos I9082 users who have already updated their devices with Android 4.2.2 XXUBNA5 Jelly Bean and those who wish to root and install ClockworkMod (CWM) recovery, may follow our step-by-step guide below.
This tutorial uses PhilZ Touch recovery was developed and released by Recognized XDA-Developers, Phil3759. PhilZ Touch is a CWM Advanced Edition that adds all the features you could ever miss in CWM. Head over to the PhilZ Touch main thread to learn more about the features.
Disclaimer: Rooting voids the warranty of your device. We and the developer of this rooting procedures shall not be held responsible if any undesirable outcomes may happen to your device. use of this root guide is solely at your own risk!
Pre-Requisites
1. Install USB Drivers for Samsung Galaxy Grand Duos on your computer.
2. Enable USB Debugging Mode on the phone by navigating to Settings >> Developer Options.
3. Make a backup of all your important data before following the guide.
4. The Galaxy Grand Duos should be factory unlocked and not locked to any particular carrier.
5. Ensure the battery of the phone is charged more than 80 percent.
6. The CWM recovery works only on the Galaxy Grand Duos (GT-I9082). Applying this on any incorrect variant might brick the device. Verify the model number of the Galaxy Grand Duos by selecting Settings >> About Phone.
Files Required
1. CWM - Mirror Link (philz_touch_6.12.8-i9082.tar.md5)
2. SuperSU (UPDATE-SuperSU-v1.51.zip) or the latest version
3. Odin 3.07

Steps to Install CWM Recovery on Galaxy Grand Duos I9082
Step 1: Extract the Odin 3.07 .zip file using WinRAR/7-Zip/WinZip or any other extracting tool.
Step 2: Copy the SuperSU .zip file to the SD card of the phone.
Step 3: Switch off the Galaxy Grand Duos. Then boot the device into Download Mode by pressing and holding Volume Down, Home and Power buttons together until a construction Android robot icon with a warning triangle appears on screen. Now press the Volume Up button to enter Download Mode.
Step 4: Run Odin on the computer as an Administrator.
Step 5: Connect the Galaxy Grand Duos to the computer using USB cable while it is in the Download Mode. Wait until Odin detects the device. When the device is connected successfully, the ID: COM box will turn to light blue with the COM port number. Additionally, the successful connected will be indicated by a message saying Added.

Note: If the Added message does not appear, then try re-install USB drivers or changing the port on the computer.

Step 6: In Odin, click the PDA and select the philz_touch_6.12.8-i9082.tar.md5 file. Verify that Re-Partition option is NOT selected.
Step 7: Double-check and click Start in Odin. The installation process will now begin.
Step 8: Once the installation process completes, your device will restart and soon you will see a PASS message with green background in the left-most box at the very top of the Odin. You can now unplug the USB cable to disconnect it from the computer.

Steps to Root Galaxy Grand Duos I9082 via CWM Recovery
Step 9: Reboot the device into CWM recovery by pressing and holding Volume Up, Home and Power buttons together.
Step 10: In CWM recovery, select "Install Zip" option and then navigate to the SuperSU .zip file that you copied earlier and confirm the installation by selecting Yes.
Step 11: Once the installation process completes, return to main recovery menu and select "Reboot System Now".

Samsung Galaxy Grand Duos I9082 running on Android 4.2.2 Jelly Bean is now rooted successfully. You can now install any app that requires root permission. Verify the root status of the device by downloading Root Checker app from Google Play Store.

Note: Many Samsung devices store a flash counter that keeps track of how many times you have flashed custom firmwares to your device. Triangle Away can be used to reset the flash counter to zero.

Thank's to all fellas at XDA who first tried out this rooting technique. This root method was originally posted via XDA-Developers original thread.

Click here to know How to Update Galaxy Grand Duos I9082 with Android 4.2.2 XXUBNA5 Jelly Bean official firmware.

Samsung Galaxy Grand Duos with model number GT-I9082 has already received Android 4.2.2 Jelly Bean update with firmware build number I9082XXUBNB1. The new official firmware is now available as an Over-The-Air (OTA) update as well as through Samsung KIES.
Firmware details
PDA: I9082XXUBNB1
CSC: I9082OXXBNA2
MODEM: I9082XXUBNA3
Version: Android 4.2.2
Build date: Feb 05, 2014
Regions: South East Europe, Hungary
Samsung Galaxy Grand Duos I9082 users who missed the OTA update notification or unable to access the update over Samsung KIES, can now download and install the same manually using our step-by-step guide.
Pre-requisites
1. Install USB Drivers for Samsung Galaxy Grand Duos on the computer.
2. Enable USB Debugging Mode on the phone by navigating to Settings >> Developer Options.
3. Make a backup of all your important data before following the guide.
4. Ensure the battery of the phone is charged more than 80 percent.
5. The Android 4.2.2 XXUBNB1 Jelly Bean firmware is compatible only with the Galaxy Grand Duos (GT-I9082). Applying this to any incorrect variant might brick the device. Verify the model number of the Galaxy Grand Duos by navigating to Settings >> About Phone.

Files Required
1. Android 4.2.2 XXUBNB1 Jelly Bean Firmware (Mirror Link) for Galaxy Grand Duos I9082
2. Odin 3.07

Steps to Update Galaxy Grand Duos I9082 with Android 4.2.2 XXUBNB1 Jelly Bean Firmware
Step 1: Extract Firmware zip file using WinRAR/7-Zip/WinZip or any other extracting tool, you will get a .tar.md5 file and some other files (optional).
Step 2: Extract Odin zip file and you will get Odin3 v3.07.exe along with few other files.
Step 3: Switch off the Galaxy Grand Duos.
Step 4: Boot the device into Download Mode by pressing and holding Volume Down, Home and Power buttons together until a construction Android robot icon with a warning triangle appears on screen. Now press the Volume Up button to enter Download Mode.
Step 5: Run Odin on the computer as an Administrator.
Step 6: Connect the Galaxy Grand Duos to the computer using USB cable while it is in the Download Mode. Wait until Odin detects the device. When the device is connected successfully, the ID: COM box will turn to light blue with the COM port number. Additionally, the successful connected will be indicated by a message saying Added.

Step 7: Select the following files in Odin from extracted I9082XXUBNB1 firmware folder:

• Click the PDA button and select the .tar.md5 file.
• Click the Phone button and select file with MODEM in its name. Ignore if there is no such file.
• Click the CSC button and select file with CSC in its name. Ignore if there is no such file.
• Click the PIT button and select the .pit file. Ignore if there is no such file.

Step 8: In Odin, enable Auto Reboot and F. Reset Time checkboxes. Also, ensure the Re-Partition checkbox is chosen only if a .pit file was chosen in the previous step.
Step 9: Verify everything suggested in Step 7 and Step 8 is done correctly. Then hit the Start button to begin the installation process.
Step 10: Once the installation process completes, your phone will restart and soon you will see a PASS message with green background in the left-most box at the very top of the Odin. You can now unplug the USB cable to disconnect your device from the computer.

Samsung Galaxy Grand Duos I9082 should be now updated with Android 4.2.2 XXUBNB1 Jelly Bean official firmware. Head over to Settings >> About Phone to verify the software version running on the device.

Note: If Galaxy Grand Duos I9082 stuck at booting animation after Step 10 then go to recovery mode (press and hold the Volume Up, Home and Power buttons together) and perform Wipe data/Factory Reset and Wipe Cache Partition task before selecting reboot system now function. In recovery mode use Volume keys to navigate between options and Power key to select the option. Please note, performing wiping task will erase your device internal memory data and not external SD card data.

Read also: How to Root Galaxy Grand Duos I9082 on Android 4.2.2 Jelly Bean Firmware

Samsung has released the Android 4.2.2 Jelly Bean update for Galaxy Grand Duos with model number GT-I9082. The new official firmware is now available as an Over-The-Air (OTA) update as well as through Samsung KIES.
Samsung Galaxy Grand Duos I9082 users who have already updated their devices with Android 4.2.2 Jelly Bean, may root their devices using the tutorial below.
Disclaimer: Rooting voids the warranty of your device. We and the developer of this rooting procedures shall not be held responsible if any undesirable outcomes may happen to your device. use of this root guide is solely at your own risk!
Pre-Requisites
1. Install USB Drivers for Samsung Galaxy Grand Duos on your computer.
2. Enable USB Debugging Mode on the phone by navigating to Settings >> Developer Options.
3. Make a backup of all your important data before following the guide.
4. The Galaxy Grand Duos should be factory unlocked and not locked to any particular carrier.
5. Ensure the battery of the phone is charged more than 80 percent.
6. The CWM Recovery and SuperSU files works only on Samsung Galaxy Grand Duos I9082. Applying these on any incorrect variant might brick the device. Verify the model number of the Galaxy Grand Duos by selecting Settings >> About Phone.
Files Required
1. CWM-touch_i9082_chotu.tar.zip (Mirror Link)
2. Fix-Recovery.zip (Mirror Link)
3. UPDATE-SuperSU-v1.51.zip or the latest version
4. Odin 3.07  (Mirror Link)

Steps to Install CWM Recovery on Samsung Galaxy Grand Duos I9082
Step 1: Extract Odin 3.07 and CWM-touch_i9082_chotu.tar.zip files using WinRAR/7-Zip/WinZip or any other extracting tool.
Step 2: Copy Fix-Recovery.zip and UPDATE-SuperSU-v1.51.zip files to the external SD card of the phone.
Step 3: Switch off the Galaxy Grand Duos. Then boot the device into Download Mode by pressing and holding Volume Down, Home and Power buttons together until a construction Android robot icon with a warning triangle appears on screen. Now press the Volume Up button to enter Download Mode.
Step 4: Run Odin on the computer as an Administrator.
Step 5: Connect the Galaxy Grand Duos to the computer using USB cable while it is in the Download Mode. Wait until Odin detects the device. When the device is connected successfully, the ID: COM box will turn to light blue with the COM port number. Additionally, the successful connected will be indicated by a message saying Added.
Note: If the Added message does not appear, then try re-install USB drivers or changing the port on the computer.
Step 6: In Odin, click the PDA and select the CWM-touch_i9082_chotu.tar.md5 file. Also, ensure the Auto-Reboot and Re-Partition options in Odin is not selected.
Step 7: Double-check and click Start in Odin. The installation process will now begin.
Step 8: Once installation process is completed, unplug the USB cable to disconnect it from computer. Then switch off the phone manually (Take out the battery and put it back in).

Steps to Root Galaxy Grand Duos I9082 by Installing SuperSU via CWM Recovery
Step 9: Boot the device into CWM Recovery by pressing and holding Volume Up, Home and Power buttons together.
Note: This should boot in CWM Recovery if you manually switch off the phone in Step-8.
Step 10: Now select install zip from sdcard, select choose zip from sdcard and then navigate to the Fix-Recovery.zip file. Select and confirm installation by selecting Yes.
Step 11: Return to main recovery menu and repeat Step 10 but this time choose UPDATE-SuperSU-v1.51.zip file.
Step 12: Once installation process is completed, return to main recovery menu and select reboot system now to reboot phone.

The Samsung Galaxy Grand Duos I9082, running official Android 4.2.2 Jelly Bean, is now rooted successfully. You can now install any app that requires root permission. Verify the root status of the device by downloading Root Checker app from Google Play Store.

Thank's to all fellas at XDA who first tried out this rooting technique. This root method was originally posted via XDA-Developers original thread.

Click here to know How to Update Galaxy Grand Duos I9082 with official Android 4.2.2 Jelly Bean firmware.

Samsung has recently released a new Android 4.2.2 Jelly Bean update for the Galaxy Grand Duos with model number GT-I9082. The new official firmware is now available as an Over-The-Air (OTA) update as well as through Samsung KIES.
Firmware details
PDA: I9082XXUBNC1
CSC: I9082OJVBNC1
MODEM: I9082XXUBNA3
Version: Android 4.2.2
Build date: Mar 04, 2014
Regions: United Arab Emirates, Afghanistan, Algeria, Egypt, Iran, Iraq, Kenya, Libya, Morocco, Nigeria, Pakistan, Saudi Arabia, South Africa, Tunisia, Turkey
Samsung Galaxy Grand Duos I9082 users who missed the OTA update notification or unable to access the update over Samsung KIES, may follow our step-by-step guide to install the update manually.
Pre-requisites
1. Install USB Drivers for Samsung Galaxy Grand Duos on the computer.
2. Enable USB Debugging Mode on the phone by navigating to Settings >> Developer Options.
3. Make a backup of all your important data before following the guide.
4. Ensure the battery of the phone is charged more than 80 percent.
5. The Android 4.2.2 XXUBNC1 Jelly Bean firmware is compatible only with the Galaxy Grand Duos (GT-I9082). Applying this to any incorrect variant might brick the device. Verify the model number of the Galaxy Grand Duos by navigating to Settings >> About Phone.

Files Required
1. Android 4.2.I9082XXUBNC1 Jelly Bean Firmware (Mirror Link) for Galaxy Grand Duos I9082
2. Odin 3.07

Steps to Update Galaxy Grand Duos I9082 with Android 4.2.2 XXUBNC1 Jelly Bean Firmware
Step 1: Extract Firmware zip file using WinRAR/7-Zip/WinZip or any other extracting tool, you will get a .tar.md5 file and some other files (optional).
Step 2: Extract Odin zip file and you will get Odin3 v3.07.exe along with few other files.
Step 3: Switch off the Galaxy Grand Duos.
Step 4: Boot the device into Download Mode by pressing and holding Volume Down, Home and Power buttons together until a construction Android robot icon with a warning triangle appears on screen. Now press the Volume Up button to enter Download Mode.
Step 5: Run Odin on the computer as an Administrator.
Step 6: Connect the Galaxy Grand Duos to the computer using USB cable while it is in the Download Mode. Wait until Odin detects the device. When the device is connected successfully, the ID: COM box will turn to light blue with the COM port number. Additionally, the successful connected will be indicated by a message saying Added.

Step 7: Select the following files in Odin from extracted I9082XXUBNC1 firmware folder:

• Click the PDA button and select the .tar.md5 file.
• Click the Phone button and select file with MODEM in its name. Ignore if there is no such file.
• Click the CSC button and select file with CSC in its name. Ignore if there is no such file.
• Click the PIT button and select the .pit file. Ignore if there is no such file.

Step 8: In Odin, enable Auto Reboot and F. Reset Time checkboxes. Also, ensure the Re-Partition checkbox is chosen only if a .pit file was chosen in the previous step.
Step 9: Verify everything suggested in Step 7 and Step 8 is done correctly. Then hit the Start button to begin the installation process.
Step 10: Once the installation process completes, your phone will restart and soon you will see a PASS message with green background in the left-most box at the very top of the Odin. You can now unplug the USB cable to disconnect your device from the computer.

Samsung Galaxy Grand Duos I9082 should be now updated with Android 4.2.2 XXUBNC1 Jelly Bean official firmware. Head over to Settings >> About Phone to verify the software version running on the device.

Note: If Galaxy Grand Duos I9082 stuck at booting animation after Step 10 then go to recovery mode (press and hold the Volume Up, Home and Power buttons together) and perform Wipe data/Factory Reset and Wipe Cache Partition task before selecting reboot system now function. In recovery mode use Volume keys to navigate between options and Power key to select the option. Please note, performing wiping task will erase your device internal memory data and not external SD card data.

Read also: How to Root Galaxy Grand Duos I9082 on Android 4.2.2 Jelly Bean Firmware