Samsung UN46ES7500FXZA E-Manual page 259

function so that the TV downloads new
upgrade software when it is in Standby
mode.
In Standby mode, the TV is off, but
its Internet connection is active. This
allows the TV to download upgrade
software automatically, when you are
not using it. Because the TV is turned
on internally, the screen may glow
slightly. This phenomenon may continue
for more than 1 hour until the software