How to Install Android 4.2.2 XWUAMG1 Jelly Bean Official Firmware Samsung Galaxy Mega 5.8 I9152 Odin Guide

Southeast Asian owners of the Samsung Galaxy Mega 5.8 with model number GT-I9152 have received a fairly minor update based on Android 4.2.2 Jelly Bean with firmware build number I9152XWUAMG1. The new official firmware is currently available as an Over-The-Air (OTA) update as well as through Samsung KIES.
Firmware details
PDA: I9152XWUAMG1
CSC: I9152OLBAMF1
MODEM: I9152XXUAMEC
Version: Android 4.2.2
Built date: Jul 03, 2013
Regions: Indonesia, Philippines, Singapore, Vietnam, Thailand
Samsung Galaxy Mega 5.8 I9152 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 Mega 5.8 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. The Galaxy Mega 5.8 should be factory unlocked and not locked to any particular carrier.
5. Ensure the battery of the phone is charged more than 80 per cent.
6. The Android 4.2.2 XWUAMG1 Jelly Bean firmware is compatible only with Samsung Galaxy Mega 5.8 I9152. Applying these to any incorrect variant might brick the device. Verify the model number of the Galaxy Mega 5.8 by navigating to Settings >> About Phone.
Files Required
1. Android 4.2.2 XWUAMG1 Jelly Bean Firmware for Samsung Galaxy Mega 5.8 I9152
2. Odin 3.07 (Mirror Link)

Steps to Update Galaxy Mega 5.8 I9152 with Android 4.2.2 XWUAMG1 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: Power off your phone. Wait 5-6 seconds for vibration to confirm complete switch off.
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 Mega 5.8 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 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 7: Choose the following files in Odin from extracted I9152XWUAMG1 firmware folder by using respective checkboxes:

• Select the PDA checkbox, and choose the file named .tar or .md5.
• Click the Phone checkbox, and choose the file with 'modem' in its name (ignore if there is no such file)
• Click the CSC checkbox, and select the file with 'csc' in its name (ignore if such file is missing)
• Choose the PIT checkbox, and choose the .pit file. Use only the file obtained during extracting in step 1 above, otherwise ignore it.

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 is completed, 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 computer.
Samsung Galaxy Mega 5.8 I9152 should be now updated with official Android 4.2.2 XWUAMG1 Jelly Bean. Head over to Settings >> About Phone to verify the software version running on the device.
Note: If Galaxy Mega 5.8 I9152 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.
Click here to know How to Root Galaxy Mega 5.8 I9152 running on Android 4.2.2 Jelly Bean firmware.