Try a different USB cable or a USB 2.0 port. USB 3.0 (blue ports) can sometimes cause handshake issues with SPD drivers.

Updating to is essential for anyone looking to repair, root, or flash custom firmware on a Unisoc-based device. It solves the connectivity bugs found in older versions and ensures your modern Windows environment plays nice with your hardware.

To ensure your PC recognizes your phone in or VCOM Mode , follow these steps: Step 1: Preparation Unplug your mobile device from the PC.

(Note: Always scan downloaded .zip files with an antivirus before execution.) Troubleshooting Common Issues

If the installer fails on Windows 11, you may need to "Disable Driver Signature Enforcement" via the Advanced Startup menu before installing.

The SPD (Spreadtrum) Driver is a software package that allows your Windows OS to communicate with mobile devices running on Unisoc/Spreadtrum chipsets. Version is a critical update that improves compatibility with: Windows 10 and 11 (64-bit and 32-bit) SPD Upgrade Tool / Research Download Tool Latest Unisoc SC9863A, Tiger T610, and T618 chipsets Key Features of the 20.0114 Update

Open the folder and run the DPInst64.exe (for 64-bit Windows) or DPInst32.exe (for 32-bit Windows).