With a custom ROM, you can run on your Galaxy J8. This brings:
Stock ROM throttles GPU (Adreno 506) at 45°C. With a custom ROM and a custom kernel (e.g., Quantic Kernel), you can unlock the GPU governor. PUBG Mobile (Low graphics) runs at stable 30fps without drops. On stock, it dips to 15fps during smoke grenades. samsung galaxy j8 custom rom better
The Samsung Galaxy J8 is an entry-level device launched with Android 8.0 (Oreo) and officially updated only to Android 9.0 (Pie). As the device ages, the stock firmware suffers from performance degradation, security vulnerabilities, and software obsolescence. Samsung Galaxy J8 — Custom ROMs: Structured Digest