Online or Wifi for Signals ?

 
Hi,

I hear 2 different options for the signals.
1.The first one I hear if you want take a signal, you need yo stay your MT4 open all time.
2.The Second, I hear you only need the Wifi, 4G, LTE etc for take a signal in all time.

What is the real what is the false ?

Tank you verry much
 
What good is WiFi (or other connections,) if no program is running to use it?
 
Steve Desjardins:

2.The Second, I hear you only need the Wifi, 4G, LTE etc for take a signal in all time.

This is probably what you meant to ask for your second choice.

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