Firmware for DP752/750/760/730/722/720 released as official



Dear Grandstream Customers,

Firmware for DP752/750/760/730/722/720 is now released as official. Here is the link to the release notes:

The firmware and release notes can be downloaded from:

Please contact us should you have any issues. Thank you for your support for Grandstream products.

Technical Support
Grandstream Networks, Inc.



“Refer-To Use Target Contact”
… unfortunately it does not work yet :frowning:


I updated from firmware and then I can not re-enter the configuration via Web. I initialize the DP750 and thus I can enter without problems. I charge the backup I had before the update and again I can not enter.
I can not configure everything manually again.
Are there any settings that I must agree before updating?
Now my browser is closed and I can not go back in either.
I do not understand what happens


Can not enter anything maybe your device is still upgrading? Or after upgrading, your device has been rebooted and lost the browser connection session, while the web page doesn’t know.
Please clear the browser cache and login again or just use Incognito mode of Chrome, or Private mode of other browsers to avoid the cached JS files, you should have no problem to configure it manually.


No, it was not a browser problem. It is connected to a UCM and I had to delete the dp750 from the list of the zero config and also disable it. I just got in there