Mtk Brom Mode Driver (RECOMMENDED)

// Detach kernel driver if needed if (libusb_kernel_driver_active(dev, 0) == 1) libusb_detach_kernel_driver(dev, 0);

[DeviceList] %MTK_BROM% = DriverInstall, USB\VID_0E8D&PID_0003 %MTK_BROM% = DriverInstall, USB\VID_0E8D&PID_2000 [Strings] MTK_BROM = "MediaTek USB BootROM (Preloader)" No special driver needed – the kernel’s usbhid or cdc_acm may claim it. Use a libusb userspace driver after detaching kernel driver. 3. Userspace Driver (libusb) – Core Protocol Here’s a minimal C + libusb driver skeleton to detect and talk to BROM. mtk brom mode driver

// BROM command constants #define BROM_CMD_SEND_DA 0xD7 #define BROM_CMD_GET_HWCODE 0xA0 0) == 1) libusb_detach_kernel_driver(dev

Example .inf snippet for Zadig/libwdi:

int send_brom_command(libusb_device_handle *dev, uint8_t cmd, uint8_t *data, int len) int transferred; // BROM uses bulk OUT endpoint 0x01, bulk IN endpoint 0x81 return libusb_bulk_transfer(dev, 0x01, &cmd, 1, &transferred, BROM_TIMEOUT); [DeviceList] %MTK_BROM% = DriverInstall