Once the installation says "Successful," tap on the button.
The first boot after flashing a new operating system always takes longer than usual. Your Galaxy J2 may hang on the Next Gen boot animation for anywhere between 5 to 10 minutes while the system builds its initial caches. Do not interrupt this process. next gen os v3.7 for j200g
The interface is heavily customized to resemble Samsung's OneUI, bringing a cleaner look to the notification panel, settings menu, and system icons. OneUI Style Components: Once the installation says "Successful," tap on the button
Built-in audio engines (Dolby Atmos or Viper4Android integration) Technical Specifications & Requirements Do not interrupt this process
Depending on the build release, minor features like Wi-Fi hotspot casting or VoLTE might require third-party patch files to work perfectly in certain regions. Conclusion
We ran Geekbench 4 and real-world tests on two J200G units—one stock, one running v3.7.
on how to back up your data before attempting a ROM installation?