You're only getting that error because the driver is not digitally signed
Connect the phone to PC without battery inside (switched off is fine if battery is not removable) and Windows will install some additional drivers.Add the following on a new line (This is Spreadtrum's USB Vendor ID).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).Repeat the procedure for Spreadtrum Drivers > google-usb_driver > android_winusb.inf Your drivers should now appear on the list.Select your driver (SCI Android USB2Serial) then click Next.inf file is, then select it (Spreadtrum Drivers > SciU2S > x86/圆4 for 32bit/64bit PC respectively > driver > SciU2S.inf) Select Install the hardware that I manually select from a list (Advanced) and click Next.The Add hardware wizard will be launched, click Next.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.In Windows, go to Control Panel and open Device Manager.Unzip the SciU2S Android USB Spreadtrum Drivers zip file to get its content.Launch DPInst.exe and follow the driver installation Wizard.Open the SCI-android-usb-driver-jungo-v4 folder > 圆4 (if you're using a 64 bit PC) or x86 (if you're using a 32 bit PC).Unzip SCI android usb driver jungo v4 to get its content.Steps to manually install Spreadtrum drivers on a Windows PCįollow the steps below to manually install Spreadtrum USB drivers on your desktop PC Disable driver signature verification enforcement if using a Windows 7, 8, 8.1 or 10 PC.
Download SciU2S Android USB Spreadtrum Drivers.In such a situation, you would need to manually install the driver from Device Manager. The problem is that some drivers come in setup information (.inf) format and might be unsigned. Why do I need to manually install Spreadtrum USB driversĭrivers that come in executable (.exe) format are easy to install just be running the installer then following the Wizard. This guide covers both SCiU2S and ADB drivers installation even though flash tools typically need only the former. Drivers are required for Spreadtrum flash tools to detect your device.
This is a step-by-step guide on how to install Spreadtrum (SPD) USB drivers manually on a Windows PC.