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Uninstall the current driver, restart the computer, and install the driver again as an administrator.

If you'd like to troubleshoot a specific error or need the for a particular Windows version, let me know!

Upon reboot, press or F7 on your keyboard to select "Disable driver signature enforcement." Step 2: Install the Driver Package

For engineering and debugging, specialized log tools capture radio layer messages. Spreadtrum provides an "ArmLogel.exe" tool for this purpose, often located in directories like \main\tools\DEBUG_TOOL\Logel_for_TD\Bin\ . These tools communicate through the Diag port to pull modem logs in real time.