Why does a padlock show up whenever I make a call on the Samsung Galaxy Young 2?

When I make a call on my samsung galaxy young 2,  i get a padlock sysmbol saying tap twice to unlock. How do I remove this? thanks?

john menzies

I have to find away to remove that incall double tap its so anoying

It's normal, it's to avoid you accidentally touching the screen that may end up in ending a call.

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