Webpage background option not loading for Soundpoint 670

Phone Information
Phone Model     SoundPoint IP 670
UC Software Version     4.0.11.0583
BootROM Software Version     5.0.11.0282

When viewing browser via IE or Firefox both latest I cannot load the Prefrences/Background option under Admin or User logins.

Error :

Failed to load the page, the requested document was not found on the server.

Is this one of those shared softwares for several phones and mine is not supported?

Thanks