Samsung E2252 Usb Driver -

// Read response byte[] buffer = new byte[1024]; reader.Read(buffer, 2000, out int len); Use Microsoft’s WinUSB template (modified for your VID/PID):

using LibUsbDotNet; using LibUsbDotNet.Main; UsbDevice device = UsbDevice.OpenUsbDevice(0x04E8, 0x6640); if (device == null) throw new Exception("Device not found");

[USB_Install] Include = winusb.inf Needs = WINUSB.NT samsung e2252 usb driver

var wholeDevice = device as IUsbDevice; if (wholeDevice != null)

[Devices.NTamd64] %DeviceName% = USB_Install, USB\VID_04E8&PID_6640 // Read response byte[] buffer = new byte[1024]; reader

wholeDevice.SetConfiguration(1); wholeDevice.ClaimInterface(0);

// Send command (example: request phone info) byte[] command = 0xAA, 0x01, 0x00, 0x00, 0x00, 0xBB ; writer.Write(command, 2000, out int sent); out int len)

// Find bulk endpoints UsbEndpointReader reader = device.OpenEndpointReader(ReadEndpointID.Ep01); UsbEndpointWriter writer = device.OpenEndpointWriter(WriteEndpointID.Ep01);