If you want to check the installed firmware version on your phone you can find the information on the phone user interface and on the web user interface.
On the phone
- Call up the "Settings" menu by pressing the button with the gear symbol
- Navigate to Maintenance and select System Info
The firmware version is displayed in the first line, right after the user agent: snomD785-SIP 10.1.22.0
On the Web Interface
- Open your web browser.
- Enter the IP address of the phone into the address bar and hit Enter. The phone web user interface opens up and the "Home" page is displayed.
- Click Status → System Information in the navigation menu: