Open and expand the Ports (COM & LPT) category. A properly configured system will show a clear, error-free entry: SPRD U2S Diag (COM22)
If the "Ports (COM & LPT)" section does not appear in Device Manager, click at the top menu and select Add legacy hardware . Follow the wizard to manually inject the Spreadtrum communication ports. To help find the exact driver package you need, tell me: What is your specific Windows operating system version ?
Click and accept any security warnings to finish the process. Verifying Successful Installation
Spreadtrum/UNISOC chips are highly popular in budget smartphones, feature phones, tablets, and IoT modules. When modifying or repairing these devices via USB, the computer needs to interface with the device's diagnostic layer.
: Ensure your flashing tool (like SPD Upgrade Tool) is open, configured, and has its "Download" button active before plugging the phone into the USB slot. Port Conflicts (Forcing COM22)
Download a certified Unisoc/SPRD driver package (such as version 1.5.x or newer).