For Spreadtrum driver with installer package click here
If the driver above did not solve your problem, then you will have to use the manual method I will be explaining below to install the drivers.
This method works for all Windows PC ( XP, Vista, 7, 8, 8.1 an 10 )
Download Spreadtrum manual install USB drivers from here
Extract the file downloaded from above.
Launch device manager on your PC using any of the methods below.
- Goto My Compter (This PC) > Right Click and select Properties > click Device Manager.
- Press windows button + R on keyboard and type devmgmt.msc then hit ENTER button
After launching device manager, Click on Action from the menu above and select Add legacy device
Click on Next on the Add hardware Wizard
Tick Install the hardware that I manually select from a list (Advance) and clcik Next
Select Show All devices and Click Next
Click Have Disk button
Then click Browse
Navigate to the folder containing the driver and select SciU2s.INF
SCI Android USB2Serial will be listed under Model
Hardware to install SCI Android USB2Serial click Next
If windows security dialogue box appears, click Install this driver software anyway
You can now goto device manager and see it listed under Ports (COM & LPT)
Now navigate to Local Disk > Users > Your Username > .android (sometimes this folder is hidden or even found in Documents)
open adb_usb with notepad
type in 0x1782 (if it is not there) then save.
Now thats how to install your spreadtrum drivers manually.