You can check for any final official security patches or minor updates directly through the device settings: and select Scroll down and tap Software update Download updates manually
The phone features a 1.4 GHz MediaTek processor, 1.5 GB of RAM, and only 8 GB of internal storage. This hardware cannot run the heavy Samsung One UI interface layered over Android 9.0. samsung j2 prime update 9.0 download
Google: site:forum.xda-developers.com J2 Prime Android 9 ROM You can check for any final official security