After your PC reboots into the numbered list, press or F7 to select "Disable driver signature enforcement" . Step 2: Download the Official Driver Pack
Once installed successfully, you need to verify that your computer recognizes the device properly. Keep your phone connected to the PC.
Open the folder and locate the .exe file (usually named DPInst.exe or DriverSetup.exe ). sprd u2s diag -com 22- drivers download
Would you like the exact command syntax for a specific PAC file name, or help with driver installation?
: Safely flashing stock ROMs using tools like the SPD Upgrade Tool or Research Download Tool. After your PC reboots into the numbered list,
The driver (often identified as COM 22 or similar port numbers) is a specialized communication interface used primarily for performing diagnostics, firmware flashing, and device management on mobile devices powered by Spreadtrum (UNISOC) chipsets . Review Summary
Hold the or Volume Down key (or both) while plugging in the USB cable to the computer. Check if the device appears in Device Manager. Open the folder and locate the
If you cannot find the Spreadtrum driver, you can use to force a generic serial driver:
: Download the combined UNISOC/Spreadtrum USB Driver Package v4.x or v2.x. These collections contain all necessary setup binaries ( .exe ) and raw setup scripts ( .inf ).
SPD drivers are often flagged as "PUA" (Potentially Unwanted Application) because they modify low-level USB communication. Add an exclusion to your antivirus folder before extracting the driver. Verify the hash matches a known good copy.