Abandon Changes; Tools; Online Upgrade - DBL Technology HT-912T User Manual

3.3.6. Abandon changes

If your new settings are not saved, you can clean all the unsaved new parameters.

4. Tools

4.1. Online Upgrade

Page shows current version information, input upgrade address, click start, wait
after upgrade and start again. When the page shows "Upgrade successful", click
"OK".
Notes: Please keep in touch with the company's technology support, in case
that get the latest information and upgrade address.