: Open AndroidMTK's Rockchip Batch Tool , load your firmware image, and click "Restore" or "Upgrade". Compile the Android firmware — Firefly Wiki

You have Android 9.0. The UI is snappy. But Wi-Fi is dead.

Here’s a well-rounded, positive review for a portable RK3128 Android 9.0 firmware:

The RK3128 chip, a popular choice for Android-based media players, set-top boxes, and other devices, has been a reliable performer for years. However, with the rapid evolution of Android, it's essential to keep up with the latest firmware updates to ensure optimal performance, security, and features. In this post, we'll explore the RK3128 Android 9.0 firmware portable, a development that could revolutionize the way we use these devices.