iPhone means having a marvelous piece of technology where every feature has been carefully planned. There is nothing by chance in this handheld masterpiece. And when you think you have figured out each and everything in the phone, there is still a component you don’t know about the iPhone.

This element was introduced in iPhone with the release of iPhone 5. It is a small hole at the top of the case on the back. Most users assume this tiny hole at the back is a reset button. But when you touch it, nothing happens. So, is it trivial thing?

No, it is not there accidentally, it has a particular function. Know about this feature here:

When the iPhone 5 was released, it came with many different features and a tiny hole at the back is one of them.

The hole is right in the middle, between lens and flash.

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Is it a reset button?

No, it is not a reset button. In fact, it is not a button at all.

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It is a microphone.

This back microphone is one of the three microphones in the mobile.

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Why three microphones?

Having more than one microphone allows audio coming from different directions. It simply means users get better sound coverage.

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