To flash a device, it must be in (also known as Loader mode), which allows the CPU to wait for commands via USB.

: A USB-A to USB-A or USB-C cable (depending on your device's OTG port). Driver Setup : Extract the DriverAssistant zip file. Run DriverInstall.exe .

: You can find the AndroidTool_Release_v2.69.zip archive in the Radxa Download Directory .

RKDevTool v2.69: Complete Download and Flashing Guide is a specialized USB flashing software developed by Rockchip for Windows platforms . It is widely used by developers and hobbyists to communicate with Rockchip-based devices (like the Rock 3 series or Gameforce Ace) for low-level development, such as installing operating systems to eMMC, bypassing FRP, or rooting devices. Where to Download RKDevTool v2.69

While newer versions like v2.96 and v3.13 are available for modern hardware, v2.69 remains a stable choice for older Rockchip SoCs.

: For the tool to recognize your device, you must also download and install the Rockchip Driver Assistant (typically v5.0 or later). System Requirements & Preparation Operating System : Windows 7, 10, or 11.

Click (if you have old drivers, click "Uninstall Driver" first). How to Use RKDevTool v2.69 1. Entering Maskrom Mode