Samsung UN46ES7500F E-Manual page 532

The Source
3. Select HDMI3.
N
To use the MHL function, you must
upgrade the software to the latest
version.
N
When you use a MHL cable, only
the HDMI IN 3 (MHL) port of the TV
supports the MHL function.
N
This product is officially MHL-
certified. If you encounter any
problem when using the MHL
screen appears.