Most modern smartphones have a feature called "NFC", which in Arabic means "Near Field Communication", and although it is incredibly useful, most users do not know anything about it. What is NFC? The three letters stand for “Near Field Communication”, which is simply an electronic chip, which is located in the back cover of the phone, and provides a method of wireless communication with another electronic device, once they touch each other from the back, within a radius of about 4 cm Both devices can send and receive files of any size, and perform multiple tasks, without the need for Wi-Fi internet or SIM cards. How do you know that this feature is in your phone? Go to the phone settings "Settings", then "More" If you see the word "NFC", then your phone supports it. How does NFC work? NFC transmits and receives data via “radio waves” at high speeds, unlike Bluetooth, which transfers files via “magnetic induction” at slow speeds, and requires two active powered devices to communicate. As for the "NFC" feature, it can work between two smartphones, or even between a smartphone and a smart sticker that does not require a power source, and the latter we will explain its use in the following lines. What are the areas of using the NFC feature? The first area is the exchange of files between two smartphones Whatever their size, at very high speeds, by activating the “NFC” feature in them first, and then making the two devices touch each other through their back covers. The second area is the smartphone’s connection to smart stickers known as “NFC Tags” and does not need a battery Or energy to work, as these stickers are programmed, through dedicated applications such as "Trigger" and NFC Task Launcher, that make the phone carry out certain tasks automatically, as soon as it comes into contact with it. For example, you can put a smart sticker on your work desk, program it, and as soon as When the phone comes into contact with it, the Internet is automatically disconnected, and the phone turns into silent mode, so you can focus on work, without the need to perform these tasks manually. A smart sticker can also be placed on the door of the home room, so that when you return to work and start changing your clothes, your phone touches it, the Wi-Fi Internet turns on automatically, and the Facebook application opens, for example, without your intervention. Smart labels are available on online shopping sites, and large quantities can be obtained for a very cheap price. The third area of using the "NFC" feature is electronic payment. Instead of taking out your credit card in stores, inserting it into the designated machine, and writing the password, you can pay the money for purchases via your smartphone. And electronic payment using the “NFC” feature requires that the phone support Android Pay, Apple Pay, or Samsung Pay services, and although these services are now used on a small scale, in some countries, the future is for them, after a few years, everyone will be able to Who can pay for their purchases in stores using their smartphones.How can you use the NFC feature to transfer files?The common use of the "NFC" feature is to transfer files between smartphones and each other, just activate the "NFC" feature and "Android Beam" On both phones, the sender and the receiver, select the file to be transferred, then make the two phones touch each other from behind, press the screen of the sending phone, and a vibrating sound will occur on both phones, warning of the start of the transmission process. As we said, the "NFC" feature is distinguished It allows users to exchange files between each other at very high speeds. For example, a file of 1 GB in size requires only 10 minutes for the transfer to be completed successfully, unlike the slow Bluetooth feature, which needs a large period of time that exceeds the two-hour barrier. , to complete the transfer of the same volume of data.
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