Installing these drivers on modern versions of Windows often requires bypassing because older versions of the Jungo v4 driver may not be digitally signed. Step 1: Driver Preparation
Fully compatible with all versions of the SPD Flash Tool and other service software. Installation Guide for Windows 10/11 spd sciandroidusbdriverjungov4 link
Improves the communication protocol between the PC and the Android device, reducing connection errors. Installing these drivers on modern versions of Windows
The Spreadtrum Drivers Hub on AndroidMTK provides various versions for different Windows OS types. spd sciandroidusbdriverjungov4 link
Available on AndroidFileHost via Droidwin .
This often indicates that the driver is unsigned. You must disable Driver Signature Verification in your Windows Startup Settings before installing.