NikD63

I heard from LG confirming that this is not possible. I went ahead and bought myself a cheap indoor antenna just to stop the noise. This was LG's response.

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In response to your concern, there is no option to disable Live TV as it is the default input of the unit when there are no external devices connected to it. When the TV is powered back on, it will display the last input used. If you did not use an external device before turning off the TV, it will show Live TV as it is the only connection available through coaxial. It is also not possible for the unit to go back to the last application before it was turned on. This is because an application will close once you exit the app screen. 

Is it possible to program the 4 color button on the Magic Remote? For example, I would like them to switch to apps like YouTube TV, Vudu, etc.? My remote has 2 buttons just above the color buttons which are pre-programmed for Netflix and Amazon. I want to use the color buttons for other apps. Anyone done this?

I just got an OLED55C8. I won't have a cable or antenna connection to it, nor will I have any other devices physically connected to it. So there are no input sources to choose from. Everything I view will be coming through WiFi.

Whenever I turn on the TV, it comes on with the TV source selected. And because I have no signal sources connected to it I get a random noise picture and sound. If the volume was up high on the previous viewing, the random noise is pretty loud. It can be pretty jarring at times.

Is there some way I can set it so that upon power-up one of my streaming apps, such as YouTube TV or Netflix, is selected? Or can it come on with the volume off and on the home screen? If not, is there some way I can at least set the default volume level used at power on?