Rangs D2 Spd6531 Flash File 100% Tested By Lucky Telecom

 Scanning USB Serial port...
  SU2Serial Port: COM44
  Connecting to Phone,Wait..
  Done.
  Infor: SPRD3
  Initialize boot9...
  CPU    type: 6531A
  Flash  type: NOR
  Flash    ID: 00EF0040(00160000)
  Flash Model: W25Q32BV
  Flash  Size: 0x400000(4.0M)
  reading,Wait...
  Read Completed.