Samsung Galaxy Note 3 NEO (SM-N750) Firmware Overview
What is the latest SM-N750 firmware?
N750UBSCQA3, released February 7, 2017 for region TTT with Android 4.4.2. The archive holds 2 official builds for this region.
Is the Samsung Galaxy Note 3 NEO still getting updates?
Most likely not: there has been no new firmware since February 2017, so Android 4.4.2 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
SM-N750 firmware for region TTT
How to Flash SM-N750 Firmware
Put the Samsung Galaxy Note 3 NEO into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Use HOME_CSC to keep your data, CSC for a full wipe.