Spd 6610/20 not connecting

[ReyTech]

@support
Im trying to repair imei for a chinese spd 6610 chip based phone thru normal usb and volcano utility tool ver 3.10 but always it just gives error

  Volcano Updated: 2017-6-12
  Connecting...
  Connection successful,connected state!
  Version: V3.8
  SN:3xxxxxxxxx8
  Port:COM5
  After format or Flash you have to press & hold power button for at least 1.30 mins.
  Note for win7 users :
  Start your Win 7 64bit with F8 key and choose 'Disable Driver Signature Enforcement'.
  After that the spd drivers will have the ability to be loaded.
  Available Ports:COM1 COM5 
  Current Port:COM5
  Available Ports:COM1 COM5 
  Detection initiated...
  Vcc: null
  Gnd: null
  Analyzing D+ and D-...
  Failed to detect.
  Pinouts are not fonud!
    
  Waiting for phone's response, press the Power on the phone.. 
>>Please change Boot or reduce Baudrate, try it again.

so can anyone tell me which is the easiest way of repairing imei?
usb or uart is good to do
and if uart then any pinouts to follow and
can i use the rj45 port on the box ?
pls its very urgent! apreciate your help

wbr