Hold your breath before you find out what caused the hole in the top of your cell phone – teach me about science

Mobile phones have become one of the most used items today, with more than 5.4 billion people around the world using mobile phones every day, with the number of mobile phones outnumbering the world’s population. A device that is here to stay, to change and innovate everything, and is constantly updated to be able to offer everything that is technically available today, both in hardware and software.

The changes have been varied, such as the headphone jack, which was previously in a specific place and is no longer present in many devices as we knew it before, or the type of charging in which many elements of the device structure have changed, the casing of our cell phone. But… there is one detail in particular that has not changed that all cell phones have, and that is that small hole or hole on the top of your Android cell phone, which many do not even notice is there and that when they see it they take less importance Well, it is thought that it is just another hole, when it is not so, here we tell you what this hole means on your Android cell phone.

There are a series of vulnerabilities that many users are still unaware of and which if not given due importance, could cause irreparable loss of one of the components of your Android cell phone, and the little vulnerability we are referring to is one of them.

Before starting, we would like to mention that we are not referring to the small hole next to the Nano SIM and Micro SD card slot, as it serves as a lock, which when pressed brings out the tray containing these two components. Or a hole usually comes at the bottom, where the microphone is stored, so if you think that the speaker also works as a microphone, that is not the case.

What is the hole in the top of an Android cell phone and what is its purpose?

Well, that little space found on many Android devices at the top that looks a lot like the one at the bottom, works too secondary microphone, It is responsible for reducing or canceling out noise from outside or from your environment. With this, calls become clearer and you cannot hear, for example, if there is noise from construction, traffic or dogs barking, among others.

As we mentioned before, For no reason should anything be providedsuch as a pin, needle, or the key used for the SIM card tray, Because you can damage it and cause it to stop working..

As an additional tip, there are devices like Redmi and Xiaomi that take advantage of this small hole to house the infrared emitter and thus become a kind of remote control. And some other brands put the light sensor there.

And now you know more about this portable device that has given you so much and which certainly, with perfect care, can give you much more than you expect.