How to quickly activate Camera from the Lock screen in Samsung Galaxy J5(SM-J500F)?

There are two ways to activate Camera from the Lock screen in Samsung Galaxy J5. 

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METHOD 1 :

Tap and hold the Camera icon from the lower right corner to the middle of the screen as shown below.

METHOD 2 :

You can turn on the Camera by pressing the Home key twice quickly in succession.

NOTE : This method can also be used while the Screen is off.

Activate the below mentioned Settings before using the second method :

a). Tap on Camera icon from the Home screen.

b). Tap on Settings.

c). Tap on Quick launch switch to activate.