- Download KitKat 4.4.2 XXUDNC4 Android Firmware Package and Odin from here to your computer. Once downloaded, open Odin in your computer and turn Off your device so that it can be entered in the Download Mode.
- Press and hold Home + Power + Volume down buttons to enter the device in the Download Mode. If your Galaxy Note 3 enters in the Normal mode, then you need to re try the process of entering the device in the Download Mode.
- Click on “AP” tab in the Odin to select the tar file which you got after extracting the firmware package to click on “Start” in Odin.
- Once you click on “Start”, you will now need to wait for the whole process of firmware gets finished. The whole process of firmware update will take around 3 -4 minutes and once done, the phone will be rebooted automatically.
Do let us know in the comments section just in case if you face any issues in the process of firmware update.