How To Flash Samsung Galaxy Note 3 Neo SM-N750 Stock Rom (Original Firmware)

 Pre-Requisites:

• Check battery percentage, your device should have at least 60% battery power
• Turn on USB Debugging mode, go to Settings->>Developer Options->>USB Debugging

(Developer Options is hidden for Android 4.2.2 or above, to show the Developer Options go to Settings>About Phones>Built Number and tap on it for 5 to 8 times)

• Backup important data and settings to external storage 

Downloads Required:

• Download and extract Odin3 v3.09
• Download and install Samsung USB drivers
• Download and extract firmware file

Method:

• Wipe your device complete in order to attain a neat installation.
• Run Odin3.exe file as an administrator
• Switch off your phone and boot Galaxy Note 3 Neo into Download Mode by pressing and holding  the Volume Down+Home+Power buttons (long press until the boot screen appear), now press Volume Up key to proceed to Download Mode.

• Connect your device to your PC.
• As soon as Odin detects your phone, the ID:COM box should turn blue. Make sure that you’ve installed Samsung USB drivers before connecting.
• Make sure that, only the “Auto Reboot” and “F. Reset Time” options are checked.
• For Odin 3.09, click on AP button and select the firmware file with .tar.md5 extension, that you downloaded and extracted above.

• If you’re using Odin 3.07, you will select “PDA” tab instead of the AP tab, rest of the options remain untouched.
• Now, click on the Start button to begin the installation process, wait few moments. 

• Once completed, you would see “PASS!” message in ID:COM port having green background

• Your phone should automatically reboot after completion
• You can now disconnect your phone from computer
• Finish
• If Flashing failed then use another Odin version
• If Phone stuck at boot loop. Now,you have to boot into STOCK Recovery Mode by Pressing and Holding Volume Up+Home+Power button. Then select wipe data/factory reset (Vol UP/Down + Home) and select reboot system now.

• Congrats! you successfully done the update process.