Step 1: Run the Installer
Download the driver package from above. Extract the zip file and run the .exe installer file (usually Setup.exe). Click "Install" and wait for the process to finish.
Step 2: Reboot Restart your computer. This is crucial for the driver signature enforcement to take effect. sprd u2s diag -com 22- drivers download
Step 3: Connect Device
Step 4: Verify COM Port
These drivers are usually unsigned or older, so you may need to disable driver signature enforcement on Windows 10/11 (64-bit) before installing. Step 1: Run the Installer Download the driver
DIAG refers to Diagnostic Mode. This is a special engineering mode on Spreadtrum devices that allows low-level communication with the phone’s processor. It enables tools like: Step 4: Verify COM Port