Upgrading the beyond its original Android 5.1 Lollipop version is a popular topic for users wanting a "better" experience with more modern features like those in Android 8.1 Oreo .
If you install a stable LineageOS 15.1 (Android 8.1) build for the J200G, here is what improves:
This is the biggest downside. The stock Samsung camera app is optimized specifically for the J2’s sensor. Custom Oreo ROMs rely on open-source camera drivers. android oreo for galaxy j2 smj200g better
As someone who has flashed a few custom ROMs on this specific model, here is the honest, no-nonsense breakdown of running Oreo on the J200G.
For a device stuck on Lollipop, these features seem like a dream. 2. The Reality: Limitations of the Galaxy J2 (SM-J200G) has very limited hardware: Quad-core 1.3 GHz Cortex-A7 RAM: 1GB Storage: 8GB Upgrading the beyond its original Android 5
Upgrading the Galaxy J2 (SM-J200G) to Android 8.1 Oreo is a classic tale of "be careful what you wish for." After being stuck on Android Marshmallow for years, jumping to Oreo feels like getting a brand new phone—for the first few hours, at least.
Flashing custom software entirely wipes the internal drive. Save all vital photos, documents, and media to your personal cloud storage or a desktop hard drive before continuing. Custom Oreo ROMs rely on open-source camera drivers
on the Galaxy J2 SM-J200G. The hardware simply wasn't built for it. If you want a modern feel, try a lightweight Android 7.1.2 Nougat ROM instead—it hits the sweet spot between features and stability.
Many apps require Android 6.0 or higher. Oreo allows users to install modern versions of apps. 2. Android Oreo (Go Edition) Optimizations