Use a high-quality USB cable. For FRP, you may need to put the device into "Fastboot" or "USB COM" mode.
Secure the tool from a reliable source like Google Drive . mrt hw flash tool v 3.9 download
Most operations require you to short the "Test Point" on the phone's motherboard to enter the correct service mode. Launch Tool: Open the MRT_HW_Flash_Tool.exe . Use a high-quality USB cable