If all the above fails, the phone’s modem firmware itself may be corrupt. The handshake fails because the modem does not respond. In this rare case:
or manually add "Legacy Hardware" to force the system to look for serial ports. Hardware Conflicts : Use a high-quality data cable and a USB 2.0 port it cannot find the meta usb com port for modem handshake
Modem handshakes (like those in Modem META or Maui META) require CDC Serial Drivers , which are different from standard flashing drivers. Get the latest MediaTek USB VCOM Drivers or CDC Serial Drivers. Manual Install: In Device Manager, click Add legacy hardware Install the hardware that I manually select from a list Ports (COM & LPT) Browse to your extracted driver folder and select the file (often named usbser.inf android_winusb.inf Microsoft Learn 3. Disable Driver Signature Enforcement (Crucial) If all the above fails, the phone’s modem