We tell you what these holes are on your phone and why they need to be cleaned

It may have happened to you that when you make a call and use the phone next to your ear, you get the impression that the volume has become too low. You turn the volume up to maximum, but the result remains the same. You look back and remember that when it came out of the box, it didn’t sound like that at all. Well, all those little holes or openings you see on your cell phone could be microphones, and there’s an important reason why they need to be clean.

Of course, you may notice other holes. For example, on the side of the phone, at the bottom or even in the camera module. What are these holes in your cellular telephone? Most likely these are also microphones, but we are going step by step.

What is that hole in the top of the mobile phone?

The phone you’re currently using most likely has stereo speakers, so one speaker will be at the bottom and the others at the top. However, if you look at the top bezel, you’ll probably notice a tiny hole. It is possible that the manufacturer placed a very small microphone there, serving as an auxiliary means for isolating extraneous noise during a conversation.

What is that hole at the bottom of a mobile phone?

The bottom of your cell phone will certainly have more holes in it. You’ll likely see a USB port for charging it, perhaps a 3.5mm headphone jack, probably a grille for the bottom speaker output, and another small hole. As you may have guessed, this is another microphone that serves as a call assistant to more accurately capture your voice.

Depending on the manufacturer, it is possible that this hole also serves to isolate external noise.

What are holes in iPhone?

Of course, Apple phones are not without holes like cell phones. AndroidHowever, its location is usually a little more discreet. They are all microphones and are usually located on both the top and bottom. iPhoneand also behind, near the cameras.

The easiest way to identify them is to check your iPhone case. Take it off and you’ll see that depending on the model, there’s usually a hole on the back for the camera, flash, and microphone.

Up to 8 microphones hidden in holes in high-end Android

Check out these Galaxy S23 and Galaxy S23+ technical support charts from Samsung, and you’ll surprisingly notice that these Androids come with six microphones.

In fact, these schemes are aimed at solving a fairly common problem: how to improve the sound during a call? Samsung explains that this problem may be due to clogged microphones, which can occur due to poor housing design or even due to holding the cell phone and covering it with one finger.

Now that you know, take a close look at your cell phone and look for microphones. If you think the volume during a conversation could be louder, make sure there is nothing disturbing them.

It is also highly recommended that if your mobile phone has been used for more than a year, it is recommended to carry out preventive cleaning. Just look at the vents or the USB connector. If you notice dust or dirt, it’s time to clean it.