The Galaxy Note 3 Android 10 based LineageOS 17.1 can be downloaded from the below link. Installing this rom requires custom recovery on your Galaxy Note 3. This Lineage OS 17.1 for Note 3 is an unofficial build and you can install it on your phone. The Android 10 based Lineage OS has features based on the 10.0 firmware.

Galaxy Note 3 Android 10.0 LineageOS 17.1 Update

The lineageOS is a line of custom roms updated with every new version of Android OS for different phones. You can have the latest running OS on your phone even if it doesn’t receive official OS updates. The latest LineageOS 17.1 can let you have Android 10 on Galaxy Note 3 which is the latest available Android OS.

Working Core Features

Boots RIL Wi-Fi Bluetooth/BT Call Camera/Video Recording Video Playback Audio Etc

Not Working

N/A

Download Android 10 for Galaxy Note 3

Android 10 based Lineage OS 17.1 can be downloaded for Galaxy Note 3 can be downloaded from below links.

HLTE (LineageOS17.1 10.0) HLTECHN (LineageOS17.1 10.0) HLTEKOR (LineageOS17.1 10.0) HLTEMO (LineageOS17.1 10.0) Open GApps

Source is XDA Make sure to identify the correct HLTE version of your Galaxy Note 3 and then download the roms accordingly.

How to Install Android 10 [LinageOS 17.1] on Galaxy Note 3

That is it. If you have a Galaxy Note 3 then do give a try to Android 10 based LineageOS 17.2. Comment below if you wanna ask something.