Spd Flash Tool R400001 !!exclusive!!

Reinstall or update the Spreadtrum drivers. Try a different USB cable or port.

Download and install the Spreadtrum/Unisoc USB Driver on your PC. Without this, the tool will not detect the device in download mode. Step-by-Step Guide to Using SPD Flash Tool R4.0.0001 Step 1: Extract the Tool and Firmware spd flash tool r400001

Fix: Open the Windows Device Manager and check your connections. If you see an exclamation mark or an unknown device entry, reinstall the Unisoc USB Driver stack with driver signature enforcement disabled. Reinstall or update the Spreadtrum drivers