Method 2: Disable Driver Signature Enforcement (Windows 10/11)
To successfully connect an SC6531E device for flashing or data transfer, you must use specific drivers often referred to as SPD (Spreadtrum) USB Drivers Driver Types : You typically need the SPD USB Driver (for general connection) and the SCI-USB-to-Serial-Comm-Driver (for COM port emulation during flashing). Operating Systems sc6531e usb driver best
Even the best driver can fail due to environment issues. Here is the ultimate fix guide for common SC6531E driver problems. sc6531e usb driver best
Once the menu appears, press or F7 to select Disable driver signature enforcement . sc6531e usb driver best
Select Troubleshoot > Advanced options > Startup Settings > Restart.