Samsung PN51F4500AFXZA E-Manual page 125

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9. Unzip the zip archive to your computer. You should have a single folder
with the same name as the zip file.
Copy the folder to a USB flash drive.
In the product's menu, go to Support --+ Software Update.
Select Update now.
The product searches for the software on the USB drive. When it finds the
software, the Update Request pop-up appears.
Select OIK. The product upgrades the software, turns off, and then turns
on automatically.
Be careful not to turn off the power until the update is complete. The TV will
turn off and on automatically after completing the firmware update. When you
update software, all video and audio settings you have made will return to
their default settings. We advise you to write down your settings so that you
can easily reset them after the update.
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