Request Support

Please contact our Hongdian technical support team to obtain the latest firmware version.

To help us improve our service and respond more efficiently to your support request, please provide the following information in the form below, with as much detail as possible.
A dedicated Hongdian technical engineer will reach out to you within 24 hours.

Required Information:

  1. Product Part No., firmware version, and diagnostic file.

  2. Description of the application, network diagram, and the issue(s) you are experiencing.

Email: support@hongdian.com