Video App problems (Youtube etc)
•• Change the DNS to 8.8.8.8. Select 
> 
Settings > General > Network > Network Status > IP Settings > DNS setting > Enter manually > DNS Server > enter 8.8.8.8 > OK.
•• Reset by selecting 
> 
Settings > Support > Self Diagnosis > Reset Smart Hub.
What is Remote Support?
Samsung Remote Support service offers you
•• Diagnose your TV
•• Adjust the TV settings for you
•• Perform a factory reset on your TV
•• Install recommended firmware updates
How does Remote Support work?
You can easily have a Samsung Tech service your TV remotely:
1.Call the Samsung Contact Centre and ask for remote support.
2.Open the menu on your TV and go to the Support section.
3.Select Remote Management, then read and agree to the service agreements. When the PIN screen appears, provide the PIN number to the agent.
4.The agent will then access your TV.
Eco Sensor and screen brightness
Eco Sensor adjusts the brightness of the TV automatically. This feature measures the light in your room and optimises the brightness of the TV automatically to reduce power consumption. If you want to turn this off, go to 
>
Settings > General > Eco Solution > Ambient Light Detection.
•• If the screen is too dark while you are watching TV in a dark environment, it may be due to the Ambient Light Detection function.
•• Do not block the sensor with any object. This can decrease picture brightness.
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