How To Update Galaxy Note 3 SM-N900 via Kies

1. Make sure you have stable internet connection on your computer.
2. Now download and install Samsung Kies on your computer.
3. Turn on your device (if it off) and then connect it to computer with USB cable.
4. Run Samsung Kies and wait for it to detect your device.
5. You should see a New Firmware Upgrade is available at Samsung Kies home screen.
6. Press the Firmware Upgrade button to proceed.
7. Follow on screen instruction and soon you will see your device running upgrade and reboot automatically. Once done, you can disconnect your device from computer.

Again! If you see “This is the latest firmware” in Samsung Kies, then your device yet to receive the latest update on Kies. Its good time to go for manual update instruction that located below.
N900XXUDNA6 Android 4.3 Jelly Bean Firmware Details:
PDA: N900XXUDNA6
CSC: N900SERDNA6
Download: N900XXUDNA6_N900SERDNA6_SER.zip
[Please Note: After flashing this firmware you will lost any installed custom ROM including CM10.2, AOKP, Avatar, Beanstalk, Omni ROM, Slim ROM, Pac-Man, Paranoid Android, LiquidSmooth or Carbon.