“The Little Hole Under Your Phone: What’s Its Purpose?”

Today, I want to share a secret with you all, so you can understand and quickly resolve any issues and avoid significant losses!

1. What are those holes at the bottom of your phone for?

There are several small holes at the base of your mobile phone. Let’s use this phone as an example. The tiny hole on the far left is used for SIM and memory cards. If you poke it with a pin, the internal card tray will pop out.

In the center is the most common charging port.

And the row of holes on the right is the speaker.

Now, what about that tiny hole next to the charging port? What’s its purpose?

This small hole, referred to as the secondary mic or microphone by Apple, is designed to capture ambient noise during your conversations. In simple terms, these small holes help reduce external noise when you’re on a call, making it a dual-microphone noise-reduction feature, as it’s commonly known in the industry.

Sometimes, we find ourselves in noisy environments where it’s challenging to hear the person on the other end of the call. But this tiny hole efficiently captures our voice, transmits it to the other side, and simultaneously reduces interference and background noise, resulting in clearer voice quality.

Cleaning Tip

When you see dust accumulating in these small holes, you might be tempted to use something sharp to clean them. The most common method is to use a toothpick.

I never imagined that tiny hole could be so important! Be sure to share this information with your friends who may not be aware of it yet!

According to Cong Ly & Xa Hoi