Unity will immediately check the folder. If the path turns red or shows a warning, ensure you selected the root folder containing the source.properties file. Troubleshooting Common Errors "NDK version is not supported"
Google moves older NDK versions to an archive page. You should not download NDK from third-party "driver" sites; always use the official Google repository. Official Download Links (r19c)
On macOS, you may get a security popup for every tool in the NDK. To fix this, run this command in Terminal inside the NDK folder: sudo xattr -r -d com.apple.quarantine . download android ndk r19 for unity
Unity 2019.1 and 2019.2 series are built to work with r19.
💡 If you frequently switch between Unity versions, keep a dedicated "Android Tools" folder with subfolders for each NDK version (r19, r21, r23) to quickly swap them in Preferences. If you are still seeing errors, let me know: What exact version of Unity are you using? Are you building for ARM64 or ARMv7 ? What is the specific error message in the Console? Unity will immediately check the folder
Below is a comprehensive guide on how to download, install, and configure Android NDK r19 for your Unity project. Why Unity Specifically Requires NDK r19
For developers working with older versions of Unity, finding the exact NDK match is critical for successful builds. If you are targeting Unity 2019.1 through 2019.2, you likely need Android NDK r19 specifically to avoid "NDK Not Found" or toolchain errors. You should not download NDK from third-party "driver"
usually moves to r21 .Check the Unity Hub "Installs" tab to see if a recommended NDK is already available for download through the Hub. Gradle Build Failure
Using a newer NDK can cause "Unsupported NDK version" errors during the Gradle build process.
If your build fails during the Gradle phase, go to and check your Scripting Backend . If you are using IL2CPP , r19 is mandatory for 2019-era Unity versions to compile the C++ code correctly. Mac "Developer Cannot be Verified"