Locate the two (usually labeled GND and CLK or TX/RX on some boards).
: Hold the button/short for at least 3 seconds after power-up before releasing it. Radxa Docs 3. Verify Hardware and Cables Image flashing: No Device Found - Sovol SV06 ACE
Right-click DriverInstall.exe and select . rkdevtool no devices found
Find the clock pin () and a ground pin ( GND ), or the data pins ( D0 to D7 ).
To force the Rockchip SoC into a flashing state, you must hold down specific hardware buttons while connecting it to your PC. Completely power off the Rockchip device. Open on your PC. Locate the two (usually labeled GND and CLK
connecting the USB cable to your PC or while powering the board on. Shorting Pins : If there is no button, you may need to short the eMMC clock (CLK) pin or specific test pads to ground while powering on. Release Timing
Start with the DriverAssitant re-installation and the Zadig WinUSB swap. If that fails, short the Mask ROM pins. If even Mask ROM remains invisible, your USB-to-Serial adapter will reveal whether the CPU is alive or dead. Verify Hardware and Cables Image flashing: No Device
Reopen DriverAssitant and click Install .
The "No Devices Found" error in RKDevTool is almost always caused by a small oversight—incorrect drivers, the wrong USB cable, Windows security blocking the driver, or the device not being in the correct mode. By systematically working through the steps outlined in this guide, you can diagnose and resolve the issue to get your firmware flashed successfully.
This is the most effective section. Windows treats Rockchip devices as different VID/PID pairs:
If blocked, restart Windows in mode and reinstall the Rockchip Driver Assistant. Summary Checklist Problem Area Driver Problems