Click and browse to the extracted folder ( C:\SPD_Drivers ).
Because these drivers are not always signed by Microsoft, manual installation is often required.
: Offers various versions, including the newer 4.21.39.134 (released Sept 2021) which is compatible with Windows 10 and 11 (64-bit).
The bridges the device's diagnostic mode to a virtual COM port (often assigned randomly, like COM 22, COM 3, etc.). sprd u2s diag -com 22- drivers download
: Navigate to the folder where you extracted the diag tool.
: The driver enables tools to communicate with the device to remove Google Factory Reset Protection (FRP) or unlock screen passwords.
An automatic setup wizard ( .exe ) that installs both 32-bit (x86) and 64-bit (x64) variants with a few clicks. Click and browse to the extracted folder ( C:\SPD_Drivers )
If the tool has specific download actions, you might need additional switches like:
Select from the list and click Next to complete the installation. Troubleshooting: Driver Installation Issues
This driver is most commonly installed manually through Windows' Device Manager. The bridges the device's diagnostic mode to a
chipsets. It establishes a diagnostic serial port connection, enabling tasks like firmware flashing, debugging via AT commands, and general device management. Key Specifications Manufacturer: UNISOC Communications Inc. (formerly Spreadtrum). Driver Type: Ports (COM & LPT). Common Hardware IDs: USB\VID_1782&PID_5D04&MI_02 USB\VID_1782&PID_5D29&MI_00 Supported OS:
Once drivers are installed, here is why you actually need COM22 to work: