Why does mobile camera have a small hole? The unique reason behind not knowing

Maybe you’ve never seen this hole before, but now you definitely will.  Usually this hole is present somewhere around the rear camera and flash light of the mobile.  It doesn’t have a flash, it doesn’t take photos, and it doesn’t have any buttons.  So what is the purpose of creating it?

 Why is there a small hole?

 Actually, this hole is a noise canceling microphone.  This microphone reduces your background noise.  The built-in microphone on the front of the phone is only for listening, but its job is to reduce noise.  If you ever noticed, there is a small hole at the bottom of the phone i.e. next to the charging point or next to the jack to place the earphones.  This hole is also for noise cancellation.

Some Surprising Facts About Mobile Phones

 By the way, now that you know about one amazing fact related to the phone, let us introduce you to some more facts.  Did you know that the first call from a mobile phone was made on 3rd April 1973?  Not only this, nowadays we are styled by smartphones from different companies, but we don’t know that the first smartphone was made almost 27 years ago which was made by IBM company.  It was the first finger touch phone that was commercially available.  Let us tell you a fact that almost 90 percent of mobile phones in Japan are waterproof