100% tested and working flash file.
Detection initiated...
Vcc: 7
Gnd: 2
Analyzing D+ and D-...
D+ = 6, D- = 8
Analyzing USB device, please wait...
Find USB device:SCI USB2Serial (COM7), (VID_1782&PID_4D00)
Internal version: Spreadtrum Boot Block version 2.0
Boot downloaded.
Start boot please wait a moment....
BOOT Ver: Spreadtrum Boot Block version 1.2
CPU TYPE:SC6610/20 [66100000]
Please select Boot J and try again.
Please change Boot or reduce Baudrate, try it again.
Succeeded!
Detection initiated...
Vcc: 7
Gnd: 2
Analyzing D+ and D-...
D+ = 6, D- = 8
Analyzing USB device, please wait...
Find USB device:SCI USB2Serial (COM7), (VID_1782&PID_4D00)
Internal version: Spreadtrum Boot Block version 2.0
Boot downloaded.
Start boot please wait a moment....
Spreadtrum Boot Block version 1.2
CPU TYPE:SC6610/20 [66100000]
FLASH ID: 00EF004000180000
Flash Type: SF_W25Q128CV
Size:0x1000000(16MB)
Reading completed.
The data has been saved in F:\gowtham\forby s7500.bin, size: 16 M.
>>Succeeded!
Download Forby s7500 flash file