For devices using the Rockchip RK3229 chipset, upgrading to Android 9.0 (Pie)

You need to replace the sunxi-ir.kl file. Extract the remote configuration from your stock firmware using Android Image Kitchen and push it via ADB:

Several popular "cheap" TV boxes utilize this chipset and have available Android 9.0 ROMs:

Once the progress bar turns green and shows , click Stop in FactoryTool. Unplug the USB cable from the TV box.

is a quad-core ARM Cortex-A7 processor paired with a Mali-400MP2 GPU. While it natively shipped with older Android versions like 5.1 Lollipop or 7.1 Nougat, custom and updated stock ROMs have ported Android 9.0 Pie to this chip. Key Improvements in Android 9.0

Locate the on the TV box. It is hidden inside the AV port or behind a small pinhole labeled "Reset" or "Restore". Press and hold down the hidden reset button firmly.

Let’s flash the using the Mask ROM mode.

The Rk3229 is a popular SoC (System on Chip) used in many Android-based devices, such as TV boxes, mini PCs, and other embedded systems. Android 9.0, also known as Pie, is a widely used operating system version.

: Run the DriverAssistant on your PC and click "Install Driver". Load Firmware