Huawei bootloader research

```cs public bool UploadData(string path) { //WRITE_D FileStream stream = new FileStream(path, FileMode.Open); string madx = Command("getvar:max-download-size").Payload; intMAX_DWN_SIZE = (int)new Int32Converter().ConvertFromString(madx); long totalenremain = stream.Length; long curlenremain = totalenremain >=...