Rkdevtool No Devices Found -

: Most Rockchip-based Single Board Computers (SBCs) only support flashing through a specific OTG-enabled

based devices (such as the Orange Pi, Radxa Rock, various TV boxes, Chromebooks, and industrial ARM boards) offer incredible flexibility for tinkering. However, the first major roadblock most users hit when trying to flash firmware is the dreaded "No Devices Found" message in RKDevTool (or AndroidTool).

Finally, software conflicts within the Windows environment can interfere with device detection. Antivirus programs or firewalls occasionally flag the low-level USB communication of RKDevTool as suspicious behavior, silently blocking the connection. Running the application with Administrator privileges and temporarily disabling restrictive security software can clear these digital obstacles. By methodically addressing driver installation, physical link integrity, and software permissions, users can reliably clear the "No Devices Found" error and proceed with their development tasks.

RKDevTool only detects the device when it’s in or Loader mode — not normal boot.

Sometimes the device is simply stuck in a zombie USB state. rkdevtool no devices found

Press and the physical Recovery or Boot button on the board.

Use a high-quality USB-A to USB-A (or USB-C) cable. Many cheap cables are "power only" and lack the data lines needed for flashing. Rear Ports:

If you are on Windows 10 or 11, the OS might block the Rockchip driver because it isn't digitally signed to modern standards. Go to .

Search your exact device model + “rkdevtool no devices found” — some boards require shorting specific test points or pressing two buttons at once. : Most Rockchip-based Single Board Computers (SBCs) only

Once uninstalled, click the button to fresh-install the correct drivers. Restart your computer to apply the changes. Step 2: Use the Right USB Port and Cable

Open the Windows Start menu, type , and select it. Click on Change advanced power settings . Expand USB settings -> USB selective suspend setting .

If your device previously failed during flashing, the eMMC may be stuck in a corrupted state that the loader cannot read.

The device is in a low-level recovery state. This is required if your bootloader is blank or corrupted. You will need to flash the MiniLoaderAll.bin first in this mode. To help narrow down your specific issue, please share: RKDevTool only detects the device when it’s in

If DriverAssitant fails, you must force the winusb.sys driver using Zadig .

sudo nano /etc/udev/rules.d/51-android.rules

RKDevTool typically requires the device to be in to flash a new image. Entering Maskrom Mode - Radxa Docs

There are two primary states your device must be in to be recognized: