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Here I have Samsung Galaxy XCover 4 and let me show you how to change the functionality
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of XCover key. This is the XCover key right here. Let me just show you how to do it
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At first let's start by using your home screen. Let me tap apps icon, then find and select the settings
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Let's scroll down and let me choose advanced features. The first one from the following list is XCover key
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Let's tap it. And as you can see now XCover key has the following functionality
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So if you press one the flash light will turn on. If you press a little bit longer the camera will switch on
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Let me tap OK and go back. So now let me show you how to change the functionality
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Let's choose here the press and you may use one of the following applications
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So if you press once your XCover key for example the contacts list will show up
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And if you press and hold the calculator will pop up. Let me just show you
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You may also choose use while the screen lock is locked. It depends on you
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So now let me show you how does it work. If you press once the list of contacts just pops up
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If you press and hold the calculator app just pops up. Excellent
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