Don't guess. Open Device Manager. If you see "Huawei Mobile Broadband" with a yellow exclamation, you are in or Balong mode . Use ATI command via Putty to get the exact model.
balong_flash -r partitiontable.binBy providing a structured interface for code entry, it reduces the risk of exhausting your limited unlock attempts (usually only 10) through typing errors in terminal windows. huawei modem code writer better