Factory Reset Protection (FRP) is a security feature integrated into modern mobile operating systems. Its primary function is to protect a device and the data it contains from unauthorized access in the event that the device is lost, stolen, or reset without the owner's permission. How Factory Reset Protection Works
Remember that FRP is designed to protect your device. Always ensure you're the legitimate owner before attempting any bypass, and consider simple solutions first: try Google account recovery, contact the previous owner, or check if the device manufacturer can assist with verification.
Enable "Unknown Sources" in settings to install the downloaded files.
However, legitimate use cases exist: