Look at the bottom options in the Rockchip Batch Tool: and Restore .

Many legacy RK3229 devices originally shipped with Android 4.4, 5.1, or 7.1. Upgrading to a optimized Android 9.0 firmware provides several critical benefits:

. But for Elias, it was a vessel for the impossible: the "Exclusive Android 9.0" firmware—a phantom OS whispered about on obscure forums like

To understand the challenge and reward of installing Android 9 on an RK3229 device, you must first understand the hardware. The RK3229 SoC includes:

Download and extract the archive on your PC. Launch DriverInstall.exe . Click the Install Driver button.

Switch to the tab at the top of the interface.