Although many users confuse it with the button to open the SIM card tray, in reality, it is an essential element that also requires specific care to maintain its proper functioning.
If you have ever wondered what the small hole that appears at the top or bottom of your mobile is for, the answer is simple: It is the microphone of the device. Its main function is to capture sound for calls, recordings and voice audio.
Primary and secondary microphones: how are they different?
Depending on the design and brand of the device, this hole may be in different locations and there may even be more than one. This is due to the incorporation of main and secondary microphones in modern mobile phones:
- Main microphone: It is responsible for capturing your voice during calls and recording audio in videos. In addition, it works with virtual assistants such as Siri or Google Assistant to receive voice audio clearly and accurately.
- Secondary microphone: Its main function is to reduce ambient noise during calls or recordings. This microphone filters out background sounds like traffic or nearby conversations, ensuring your voice is heard clearly on the other end.
What if your phone doesn’t have a visible hole?
On some models, such as certain iPhones, the microphone is not presented as an obvious hole, but rather It is integrated into the overall design, camouflaged between the speakers or protected by specific meshes. This does not mean that the device lacks secondary or main microphones, but rather that its location is optimized for the aesthetic and functional design of the mobile.
Additionally, some manufacturers include Multiple strategically positioned microphones to improve sound quality for video recording or advanced applications as augmented reality.
How to care for and clean phone microphones
Over time, cell phone microphones They can accumulate dust and dirtwhich affects the sound quality. To avoid this, follow these tips:
- Use adhesive putty: Gently press a piece of putty into the hole to remove any dust.
- Soft bristle brushes ideal for cleaning surface particles.
- Compressed air spray: Apply short bursts at a safe distance to dislodge dirt.
- Avoid sharp objects: Never use needles, pins or the SIM tray pin, as you could damage the microphone.
Although it goes unnoticed, this hole is essential for the user experience of your mobile. From calls to video recordings, microphones, visible or not, play a key role in our communication. Keeping them in good condition is essential to ensure optimal operation.