Unisoc diagnostic connections are highly sensitive to power fluctuations. Always use a USB 2.0 port (usually black, not blue) located directly on the computer's motherboard (rear ports on a desktop). Avoid using external USB hubs or extensions. Clear Registry Conflicts
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Factory Reset Protection (FRP) is a security feature that locks a device after a factory reset if the previous Google account isn't entered. Many professional tools (like Chimera Tool) can bypass FRP by communicating with the device via its Diag Mode, a process that requires the SPRD U25 Diag driver to be properly installed and functional. Unisoc diagnostic connections are highly sensitive to power