This guide is for Spreadtrum based (e.g Itel) Android phones

Requirement

* Download  >Spreadtrum Drivers
* Download >SCI Android USB Driver

* NOTE
if you are using windows 8,8.1 you need to disable
Disable driver signature verification enforcement if using a Windows 8 PC
* Setup ADB DRIVER
* Spreadtrum phone

AFTER YOU HAVE GOTTEN ALL THIS THINGS READY THEN YOU PROCEED

1. Unzip all downloaded zip files to get their content

[Image: how-to-install-spreadtrum-spd-usb-drivers-1.jpg]

2. In Windows, go to Control Panel and open Device Manager

[Image: how-to-install-spreadtrum-spd-usb-drivers-2.jpg]

3. Click any of the device groups (any of the items on the list) you see there, then from Action menu at the top, select Add legacy hardware

[Image: how-to-install-spreadtrum-spd-usb-drivers-3.jpg]

4. The Add hardware wizard will be launched, click Next

[Image: how-to-install-spreadtrum-spd-usb-drivers-4.jpg]

5. Select Install the hardware that I manually select from a list (Advanced) and click Next

[Image: how-to-install-spreadtrum-spd-usb-drivers-5.jpg]

6. Click Have Disk…

[Image: how-to-install-spreadtrum-spd-usb-drivers-6.jpg]

7. Click Browse… and locate your driver’s .inf file is, then select it (Spreadtrum Drivers > SciU2S > x86/x64 for 32bit/64bit PC respectively > driver > SciU2S.inf)

[Image: how-to-install-spreadtrum-spd-usb-drivers-7.jpg]

8. Click Open and OK. You will see the drivers listed

[Image: how-to-install-spreadtrum-spd-usb-drivers-8.jpg]

9. Select your driver  (SCI Android USB2Serial) then click Next

[Image: how-to-install-spreadtrum-spd-usb-drivers-81.jpg]

9b. Click Next

[Image: how-to-install-spreadtrum-spd-usb-drivers-9.jpg]

10. Click Finish

[Image: how-to-install-spreadtrum-spd-usb-drivers-10.jpg]

10b. Your drivers should now appear on the list. Repeat the procedure for Spreadtrum Drivers > google-usb_driver > android_winusb.inf

[Image: how-to-install-spreadtrum-spd-usb-drivers-11.jpg]

11. Go to C: / Users/your-user-directory/.android/adb_usb.ini and open with any text editor like  notepad or notepad++  (if you can’t find the file then download it and place it in the directory)
12. Add the following on a new line

Code:
0x1782

13. Connect the phone to PC without battery inside (switched off is fine if battery is not removable) and Windows will install some additional drivers

DONOT FORGET TO COMMENT