Supports both 32-bit (x86) and 64-bit (x64) Windows architectures.
You can find the driver package and related tools at these reputable community resources: spd sciandroidusbdriverjungov4 link
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 Supports both 32-bit (x86) and 64-bit (x64) Windows
This often indicates that the driver is unsigned. You must disable Driver Signature Verification in your Windows Startup Settings before installing. spd sciandroidusbdriverjungov4 link
Available on AndroidFileHost via Droidwin .
Fully compatible with all versions of the SPD Flash Tool and other service software. Installation Guide for Windows 10/11
Check Ports (COM & LPT) in Device Manager. You should see "SCI USB2Serial" listed without any yellow exclamation marks.