You're looking for the SC6533G USB driver. Here's what I found:
Choose "Install the hardware that I manually select from a list" and then select "Show All Devices". Browse for Driver and browse to the extracted folder. Select the file corresponding to your system (e.g., for 64-bit Windows). SCI Android USB Serial or a similar entry from the list and complete the wizard. Connect in Flash Mode
In Device Manager, an uninstalled device might appear as a "Generic USB Hub" or "Unknown Device" with Hardware IDs like USB\VID_1E04&PID_0900 . Installation and Updates Sc6533g Usb Driver -UPD-
If your device is only detected as an "Unknown Device," you must point Windows directly to the driver files.
There are two primary ways to install the driver on modern Windows systems. Method 1 is the easiest for general users, while Method 2 provides a manual workaround if the automated installer fails. You're looking for the SC6533G USB driver
On modern Windows systems, you may need to install the driver via the Device Manager
This typically points to an issue with Microsoft's Driver Signature Enforcement. Restart your computer, press F8 during boot (or navigate to Advanced Startup Options), and select . Reinstall the driver files following the manual sequence outlined above. Random Disconnections During Flashing Sequences Select the file corresponding to your system (e
Connect your SC6533G device to the PC. You will likely see "Unknown Device" or "Spreadtrum USB" under "Other devices". Right-click the device and select . Choose Browse my computer for drivers .
Troubleshoot > Advanced options > Startup Settings > Restart