Then run sudo udevadm control --reload-rules and sudo udevadm trigger . This gives users in the plugdev group (a standard group for users) read/write access to the device.
Once your PC restarts, follow these steps to install the Spreadtrum drivers :
Once installed correctly, the device entry in Device Manager should change to: Spreadtrum SCI USB2Serial (COMx) or SPRD COM Port (COMx) spreadtrum sci usb2serial ok
Download a verified copy of the SCI USB2Serial Drivers via Driverscape or your flashing tool's official repository. Extract the ZIP folder. Open by right-clicking the Start button. Click your computer's name at the very top of the list.
: This is most often a driver signature or a conflict with a previously installed driver. Then run sudo udevadm control --reload-rules and sudo
Achieving the coveted "OK" status requires installing the driver correctly. Since many Spreadtrum drivers are older and unsigned, standard Windows protections can sometimes block them. Step 1: Download the Correct Driver Package
The status is essential for anyone repairing or modifying Spreadtrum-powered devices. By properly installing the USB drivers and troubleshooting common Windows driver issues, you can ensure a seamless connection for flashing, unlocking, and diagnostic operations. Extract the ZIP folder
: Service tools such as NCK Box utilize this driver to perform network unlocks or FRP (Factory Reset Protection) resets.