rkflashtool: fatal: cannot open device

[weiqifa0]

rkflashtool: fatal: cannot open device

[Galland]

Your device pid (330d) is unknown to this tool. It was tested against these pids: 0x290a, 0x281a, 0x300a, and 0x310b

Can you share what is the name of your device?
In any case, if you know that your device uses the same RK protocol, you can make the tool support it. You simply need to add a new line after this one:

rkflashtool_rk3066/rkflashtool.c

Line 157 in b92f18b

if (!(h = libusb_open_device_with_vid_pid(c, 0x2207, 0x310b))) //RK3188

for "your new device pid" like:

       if (!(h = libusb_open_device_with_vid_pid(c, 0x2207, 0x310b))) //RK3188
           if (!(h = libusb_open_device_with_vid_pid(c, 0x2207, 0x330d))) //your new device pid
            fatal("cannot open device\n");

Test at your own risk, and please share your results