f the phone ready to read and write again, please re-plug the USB or reset the pinouts

If you are getting this (If the phone ready to read and write again, please re-plug the USB or reset the pinouts) error on Volcano Tool, then just follow the steps below to solve the problem. Just check the error log below of volcano tool while operating with MSTAR Tab. This phone has SPD SC6531 CPU so you get this error, if you try to read flash or any other operation with Mstar tab.

MSTAR Error on Volcano Tool

Detection initiated...
  Vcc: null
  Gnd: 5
  Analyzing D+ and D-...
  D+ = 3, D- = 2
  Detection D+/D- with 1.05 seconds.
  Continue to detect BOOT pin...
  Found [SPD] USB device: SCI USB2Serial,(VID_1782&PID_4D00)
  BOOT(Pull Down) = 4
  Setting...
  Find USB device:SCI USB2Serial (COM34), (VID_1782&PID_4D00)
  Pinouts setting complete!
  If the phone ready to read and write again, please re-plug the USB or reset the pinouts.

If you get this error then just try to flash the phone using SPD tab, because the phone has SPD CPU and you are wrongly operate with MSTAR tab. Here is the example of Karbonn K595 which has a SPD SC6531 CPU but Some of the Karbonn K595 has Mstar CPU, so if you are getting this error then try with SPD tab SC6531.

Karbonn K595 Flashing Error Using Volcano Tool with MSTAR Tab

Check the above image, the phone has successfully flash with volcano tool using SPD tab, because the phone has SPD SC6531 CPU.