I had the same problem installing the Booxtor's version (got the "error: device not found") and was unable to correctly detect the device. I used the adb driver that can also be found in the PhoenixSuit (I used it to flash linux distros on the cubieboard -
http://dl.cubieboard.org/software/to...xSuit1.0.7.rar), after the PhonixSuite installation, you can follow the instructions on this guide successfully. Note: this worked for the onyx-boox.com store version, and for me, I cannot guarantee that it will work on everybody's device.