Standard Android Oreo is heavy for 1GB of RAM. Developers often port "Android Go Edition" for the J2. This version is optimized for low-end hardware, offering: Smaller app sizes. Better memory management. Go-optimized Google apps (Maps Go, Gmail Go). Risks and Challenges
Yes. Download the official firmware from SamMobile or Frija. Flash it via Odin using the “AP” and “CSC” files. This will wipe everything and restore stock Marshmallow. android oreo for galaxy j2 sm-j200g
Applications like Material Notification Shade can give you the drop-down panel and quick settings look of Android 8.0 without modifying your core system. Standard Android Oreo is heavy for 1GB of RAM
To get Android Oreo on this device, you must install a Custom ROM. This process requires unlocking the bootloader, installing a custom recovery, and flashing third-party software. Better memory management
Several stable options exist on developer forums like XDA Developers. 1. LineageOS 15.1 (Unofficial)