The "No Devices Found" error in RKDevTool typically indicates a failure to properly enter MASKROM or LOADER mode, often requiring the use of the correct USB-C OTG port, proper drivers (v5.1.1), and running the tool as an administrator. To resolve this, ensure the board is connected while holding the maskrom button, try alternative data cables, and verify device detection in Windows Device Manager. For detailed troubleshooting steps, visit WOR Project.
“No devices found” is rarely a fatal error. It’s a communication puzzle — and solving it teaches you more about low-level USB, boot ROMs, and driver quirks than a successful flash ever would. Next time you see that red text, don’t panic. Check your cable, your driver, your timing, and maybe sacrifice that GPIO pin after all.
If you’ve ever tried flashing a Rockchip device (like a Chromebook, TV box, or single-board computer) using RKDevTool on Windows, you’ve probably seen it: rkdevtool no devices found
Are you having trouble with a specific Rockchip board or a particular error message during the flashing process?
If the device won't enter Loader mode, force it into Mask ROM. This bypasses corrupted bootloaders. The "No Devices Found" error in RKDevTool typically
If you have tried all 7 previous chapters, the issue is likely physical hardware damage.
No entry at all → hardware or cable issue. Final Word “No devices found” is rarely a fatal error
What you'll see:
A USB-to-TTL serial adapter (CH340, CP2102, FTDI) is essential.