spreadtrum 6531d flash file download
>>> Getting Mobile Connection Info...
VCC Pin:
GND Pin:
Signal Pin:16, 21,
>>> Scanning Mobile PinOut...
>>> Please Hold the Power key...
Get Mobile PinOut: TXD:21 RXD:16
>>> Please Hold the Power key...
Mobile Connection Success...
Mobile Firmware Version:SPRD3
>>> Downloading First Boot...
>>> Mobile Info
Project ID :Spreadtrum Boot Block version 1.2
>>> Mobile Info
Flash ID:0x00EF004000000000
Flash Name:SF_W25Q32BV
Flash Size:0x00400000 -> 4M
CPU Name:6531
Baud Rate is Switched To:921600
>>> Reading Flash...
Reality Flash Size£º0x00400000 -> 4M
All Done...