The update is being rolled via OTA (over-the-air) and in a proper phased manner so it may take some days to be available in all the handsets. The update’s full changelog is not yet available. But as it is an incremental update, most of the critical security vulnerabilities have been fixed with the update. It also improves the performance and system stability of the device. If you are a Galaxy Note 9 US Unlocked user, then you can manually check for the OTA update manually via the device Settings – Software update – Download and install
Download Guide
You can download any Galaxy firmware using Samfirm Tool
Guide: Download Latest Galaxy Firmware using SamFirm Tool
Or Using Frija Samsung Firmware Download Tool
Download ODIN Latest Built Download Samsung USB Drivers
Steps to Flash Stock Firmware on Galaxy Note 9 -US Unlocked (N960U1UES4DTD1 )
Guide to Install Samsung Stock Firmware via ODIN Tool
That’s it. Keep visiting the blog for more info.