This is the most common cause of failure.
This is almost always a driver issue. Reinstall the SPD/Unisoc USB drivers, restart your PC, and try a different USB port. nokia spd unlock tool v10
To help troubleshoot specific errors you might be facing, tell me: This is the most common cause of failure
Unlocking, flashing, or altering device firmware using third-party tools can void your manufacturer warranty. This guide serves strictly educational purposes. Ensure you own or have explicit authorization to service the hardware before proceeding. To help you get the best results, tell me: What is the exact model number of your Nokia phone? To help troubleshoot specific errors you might be
Power down the Nokia device completely. Hold the device's designated boot key (usually Volume Down or Volume Up, depending on the model) and connect the USB cable to the PC.
: Targeted support for Nokia HMD models like the C1, C10, C20, and G21 that utilize SPD processors. Supported Nokia SPD Models