Samsung Galaxy Note 3 Neo LTE (SM-N7509V) Firmware Overview
The archive lists 2 official builds for the Samsung Galaxy Note 3 Neo LTE across 1 region (CSC). The newest one is N7509VKEUAOA2, released February 2, 2015 with Android 4.3.
How to Flash SM-N7509V Firmware
Put the Samsung Galaxy Note 3 Neo LTE into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with the same or a higher Bit than the one installed — a lower bootloader binary will be rejected.