If you see No Devices Found in RKDevTool, it typically means
Drivers:
Ensure you have installed the Rockchip Driver Assistant ( Radxa Docs ). If previously installed, try uninstalling and reinstalling to clear "ghost" devices ( Sovol Forum ).
To understand why detection fails, one must understand how RKDevTool communicates with Rockchip hardware.
When using Rockchip's , encountering the "No Devices Found" message is a common hurdle during the firmware flashing process. This status usually indicates that the computer cannot communicate with the Rockchip SoC because it isn't in a supported flashing mode (Loader or Maskrom) or because the necessary drivers are missing. Sovol3d forum 1. Check Hardware Connections & Power
Did the status bar change to "Found One LOADER Device" after these steps?
He had done everything by the book—or so he thought. He had the male-to-male USB cable, the latest RKDevTool download, and a pot of coffee that was quickly disappearing. But the status bar remained stubbornly empty. The Trial of the Three Cables
device model
What specific or Rockchip chip (e.g., RK3566, RK3399) are you trying to connect?