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What is cell phone infrared for? Find out right now!

You may have already heard about infrared on cell phones, right? A long time ago, this was a “deluxe” function on many mobile phone devices and was used to transfer files from one cell phone to another.

This, of course, well before the bluetooth, NFC, Wi-Fi and long before WhatsApp – the poor guy didn't even dream of being born yet. So, as you can already imagine, infrared ceased to exist in mobile phones because it ended up falling into disuse.

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Especially because the transfer ends up being much more legendary than all the others mentioned.

But where is infrared used?

Far from cell phones, but still in the palm of our hands, infrared is widely used in remote controls – of almost all types. Air conditioning, television, electronic gate, projectors, household appliances,… Almost all of them use this technology.

Which, in fact, is nothing more than non-ionizing electromagnetic radiation that is invisible to us, mere mortals. The frequency is capable of transmitting data, as we said above, but it is also capable of generating thermal images, as in security and “night vision” cameras.

Infrared resistance on some cell phone models

Even with all the advances in recent years, some manufacturers are swimming against the tide and still investing in infrared in their cell phone devices. Xiaomi is the main one; its Realme and Vivo models still have the function.

Huawai and Samsung They manufactured cell phones with infrared until recently. The South Korean giant did so, for the last time, on the Galaxy S6, from 2015. Meanwhile, the Chinese company declared an ultimatum for the function in 2020, with the P40 line.

Motorola also had its moment with infrared. The last model with the function was the Moto X Force, launched in 2016.

You must be wondering what iPhone, Is not it? Well, Apple has not invested in this technology in any of its most recent mobile devices.

Graduated in Social Communication from the Federal University of Goiás. Passionate about digital media, pop culture, technology, politics and psychoanalysis.

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