V2.69 Download Link: Rkdevtool

On 64-bit Windows, unsigned Rockchip drivers need special permission:

Here’s why v2.69 still gets mentioned years after release: rkdevtool v2.69 download

: 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. On 64-bit Windows, unsigned Rockchip drivers need special

You can find this tool through various developer community resources. Because it is a proprietary Rockchip utility, it is often bundled in "Download Packages" for specific hardware: On 64-bit Windows