Technical support

The request for technical support may be done by submitting an online form at http://www.h-sms.com/support.php. Your request for support will be processed as soon as possible.

Bugs may be reported by submitting the same online form. In your bug report, please specify the version of Headwind GSM Modem driver you are using, the version of Windows, and the mobile device or modem used for the connection.