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

[Step 1] Turn the TV on
[Step 2] Insert the USB Memory Drive
containing the Software into the USB port
on the side (or rear) of the TV
[Step 3] Press the MENU button to display
the menu. Press the ▲ or ▼ button
to select “Support”, then press the
ENTER button
[Step 7] When the Software upgrade
is complete; the TV will turn off and
then back on by itself.
And then software is upgraded
automatically.
[Step 5] The message “Scanning for USB.
It may take up to 30 seconds”
is displayed.
[Step 8] The TV runs “System
Optimizing” then it will turn off and
then back on by itself.
Step2. How to upgrade the firmware
[Step 4] Press the ▲ or ▼ button to select
“Software Upgrade”, then press the
ENTER button.
[Step 6] Then, the message “Upgrade
Version XXXX to version XXXX?
The system will be reset after
upgrade.” is displayed.
Select “Yes”, then press the ENTER
button.