Upgrade guide Title Firmware for 3D PDPVersion: 1001.0Applicable Model PDP: C490, C675, C680Carrier or Corporate Customer All CustomersDescription This firmware prevents below problem - Volume going up and down intermittently

Model List
PDP
4 series :
PN50C490B3D
6 series :
PN50C675G6F, PN50C680G5F, PN58C680G5F