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VVX 300 Screen Display Issue - Dark Box While On Call

Barracuda
Occasional Visitor

VVX 300 Screen Display Issue - Dark Box While On Call

I have a dark box on all of my VVX300 phone display screens when the phone is actively on a call. I have tried adjusting the brightness, contrast, etc. to no avail. Any ideas would be greatly appreciated.  

 

I can send a picture of the screen display.  Sorry I have not included it here. I can't figure out how to include it.

 

Bob **bleep**an

 

 

 

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