This error typically occurs when using tools like or MAUI META to communicate with MediaTek-based devices. It indicates that while the device may have entered "META MODE," the necessary communication bridge between your computer and the device's modem hasn't been established. Common Causes & Fixes
On Windows 8, 10, and 11, unsigned drivers (many older MTK VCOM drivers are unsigned) are blocked. When blocked, the device installs as Unknown Device or with a yellow exclamation mark. it cannot find the meta usb com port for modem handshake
This is the most common cause. Windows 10 and 11 often attempt to automatically install generic drivers via Windows Update. This error typically occurs when using tools like
When the system reports that it cannot find the COM port, the breakdown usually originates from one of three distinct domains: physical layer failures, driver architecture conflicts, or protocol timing mismatches. When blocked, the device installs as Unknown Device