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With the help of technologyNFC, you can not only transfer data from one cell to another, but also pay for purchases(for example, buying groceries at the supermarket).

Decryption is simple - NearFieldCommunication, which, when literally translated into Russian, means near-field communication or communication in the nearest space.

This technology was originally used for fast contactless payments. Now NFC replaces a plastic bank card and Bluetooth and combines them in one system, which is quite a practical invention to use. Want to make it easier to pay for purchases or transfer files? Let's figure out how to find out if there is NFC in a phone, tablet or laptop.

The history of the emergence of technology in the phone

It is considered to be a relatively young development. Its appearance is attributed to 2004: it was during this period that three famous by Nokia Philipps and Sony are organizing the "NFC Forum," and three years later they are integrating the first NFC tags into a Nokia phone.

NFC compatible smartphone models

It should be noted that not all phones support this data transfer technology. It is known that NFC support there are devices such as:

  • Apple iPhone (starting from 6S and 6S Plus);
  • new items of the Galaxy line from Samsung and smartphones from other manufacturers on the Android platform (starting from Android0).

Checking the device for NFC

Do you want to try the technology in practice, but do not know if there is such an opportunity on your device? Let's check.

To do this, carefully open back cover smartphone or tablet, in a situation where it can move away without damage and inspect the battery of the gadget.

With the presence of NFC development, you will see this abbreviation right there. If the phone / tablet cover is not removable, then the corresponding icon or abbreviation will be located on the outside.

If for some reason you do not want or cannot remove the cover, you can make sure that this communication method is available in the device settings.

Find the tab “ Wireless networks", Then" More ... "and if NFC is available on the device, then there will definitely be a corresponding item.

How it looks, look at the photo above or in video instructions on how how check correctlyNFC in the phone:

NFC activation

If you find it on your device, you must also activate access to the technologyNFC. This can be done as follows:

  1. go to the "Settings" section and then "Wireless networks", "More ...", where earlier you could verify the presence of NFC;
  2. confirm by clicking on the item "Allow data exchange when combining> device name> with another";
  3. Android Beam is immediately activated on an Android smartphone. If this does not happen, click on it and select "Yes", so as not to disrupt the system;

NFC can also be activated in the quick menu, in the same place where Wi-fi is turned on. This is done by touching the NFC tag.

See the video for more details:

What if my device doesn't support NFC?

Don't worry if you haven't found the built-in feature, there is a way to connect NFC to your device. But this can be done only if the panel cover on the back and the hole for the SIM card on your smartphone / tablet are removable. . In this case, it will not be difficult to install NFC.

Installing the NFC module

The optimal solution is to install a special module - an external communication device. It is compatible with almost all smartphones, easy to use and gives you access to NFC without buying a new televon.

Types of modules and methods of their implementation

Main types: chips, SIM cards, external devices, stickers. The last of them are of two types: passive - which do not allow the exchange of data, and active - use Bluetooth and Wi-fi communication channels for transmission, which significantly increases power consumption.

Such stickers are attached to the outer shell of the phone, which is also not very practical.

The most popular are the following:

  • NFC sim card. Now available for purchase from most mobile operators... You can find out about the availability of such a SIM in the communication salon. You just need to install the finished card in your phone or tablet. This type of module is the most affordable and easiest to install.
  • NFC antenna. The second method, for which you need to purchase an NFC antenna. This can be done in the communication salon. Next, the antenna is connected to the SIM card and inserted into the device.

As you have already seen, install the module simple and safe enough : you don't need to download additional applications or programs. However, these services do not completely replace the application. Android Pay but are just some of its many functions.

How to use an NFC tag

An NFC tag is a miniature chip-like device that can be attached almost anywhere: from a phone to insertion under the skin!

We will not use such radical methods, but it is worth noting that contacts, settings, URL and other data and commands can be placed in the chip. All gadgets are capable of supporting the tag.

Data exchange via NFC

The technology can also be used to transfer files.

To transfer data, you need to do the following steps:

  1. make sure that you have passed the activation of NFC and Android Beаm;
  2. unlock the device, exit "sleep mode";
  3. check the discovery of devices with each other;
  4. connect;
  5. transfer data between devices;
  6. at the end, a specific beep will sound.

However, not all file types can be transferred this way. For example, it is not possible to send attachments.

NFC advantages and disadvantages

The main advantages are:

  • low price;
  • small dimensions of the device;
  • high transfer rate;
  • support for almost all mobile devices Oh.

It is worth highlighting the disadvantages:

  • relatively small radius of action;
  • not all devices are equipped with an NFC chip.

So, thanks to these notes, you learned the quick and simple ways checking your device for the ability to transmit information and interact with others technical means using Near Field Communication. Following simple instructions of this article, you can also find out on your own whether your smartphone has this technology, you will be able to integrate NFC into your phone and transfer required files at high speed.

Latest flagships Apple- iPhone The 6 and 6 plus were finally equipped with NFC technology, developed back in 2004 but not receiving much support at the time. This abbreviation stands for Near Field Communication, if translated literally, it is "near field communication."

Its essence lies in the transmission of information within a radius limited by 10 centimeters. Outside of this "circle of trust", no one will be able to access your device. It would seem that this limitation is a disadvantage, but in some cases it turns out to be an undeniable advantage. This, in turn, indirectly increases the level of safety of all operations performed through it.

In addition, it allows you to ensure minimum power consumption, since the transmitter does not need to send or catch a signal at a great distance, and, accordingly, consume a noticeable share of the battery charge. And it is carried out almost instantly.

This technology is based on the principle of magnetic induction, and is partly an extension of the current ISO 14443 standard for contactless cards. It is specially designed to adapt and "pour" into the world payment system mobile devices. Since the ubiquity of smartphones may soon oust traditional plastic cards from the market.

Apple Pay

V iPhone line 6 for the first time, NFC was successfully applied - a technology, in the proprietary function of contactless payments via mobile - Apple Pay.

Although it works correctly so far only on the territory of the United States, there is definitely a development prospect. And in the near future it will be launched in European countries and China. At the same time, many owners of "sixes" already declare successful payments through this system even outside the United States - in Canada, the United Arab Emirates, Australia, and Europe. The main thing is to tie the card of a friendly American bank to the program, and change your country in the smartphone settings - to America. The only thing is that the purchase is more expensive this way, since the bank takes its own commission for converting currencies.

You can determine that a given store accepts this type of payment if the following stickers are available at the checkout.

How to use technology

In order to use the most convenient contactless payment service, you need to go to the Passbook proprietary application in any iPhone 6, enter your card details and add its photo taken on your smartphone.

After activation, you can initiate a payment with one touch to the TouchID sensor, simply by bringing the gadget to a special terminal in the store. After a successful scan of the fingerprint, the iPhone will give the go-ahead for the withdrawal of funds from the owner's account.

NFC provides a person with complete privacy when making purchases. All transactions carried out through it are encrypted, and even the seller receives only the digital codes of a specific operation, without seeing either the buyer's name or his card number.

Apple itself also declares absolute confidentiality, and guarantees that there is no collection of information about the movement of funds of the owner of the iPhone.

Perspectives

It should be noted that on this moment NFC is used exclusively for Apple Pay. But there is a hope that having worked out the technology properly, it will be possible to apply it for other purposes: for trusted data transfer, or limited connection of external devices.

Also, in conjunction with a smartphone, it can be useful as an electronic " travel card"In transport, manage the system" Smart House ", become electronic key from doors and much, much more.

The main deterrent to Apple Pay distribution among users is, so far, the limited number of merchants accepting given type payment. However, analysts declare its enormous potential, from which everyone will benefit: users, retailers, banks, and, of course, Apple itself.

NFC is, as you know, one of the modern technologies wireless transmission data, which today is extremely popular and spread literally everywhere. And only in smartphones iPhone NFC still functions only as one of the elements of the Apple Pay system, despite all its wide potential.

However, not so long ago, a rather convenient software solution, significantly expanding the functionality of the NFC module built into the iPhone.

In other words, with the help of this tweak, instead of a wide variety of NFC devices, you can use just one iPhone. At work, at home, and in general, where it works out (see the video at the end of the post).

Note also that in addition to reading NFCWriter also includes an option to write tags with the ability to further manage them and save them in a user-friendly way. Plus, the developer also promises to add to the NFCWriter in the very near future special treatment emulation.

NFCWriter is compatible with iPhone 6S and 6S Plus, iPhone SE, iPhone 7 and 7 Plus smartphones. The tweak does not work with earlier models. However, the developers also promise to improve compatibility with the iPhone 6, in which NFC support is provided.

As noted in the description of the NFCWriter, the tweak will also allow working with debit cards in the future. But this function is still at the testing stage.

Now an attempt to make a payment using a tweak looks something like this. When a user scans their debit card, the NFCWriter displays two tags at once. The first is the label of the original card with its unique number, this label can be emulated. The second label is protective and cannot be emulated. That is, when using the card, the reader reads both tags, and given that the second one is not emulated correctly, the payment simply does not go through.

How to use in iPhone NFC Writer:
  • install:
  • scan the desired tag (or map) - the tweak will display the corresponding data:
  • copy serial number labels;
  • enter this number in the field Tag Emulation:

  • start emulation (button " Start Tag Emulation «).

Actually, that's all. After saving the tag data in the smartphone's memory, you can use your iPhone instead of this tag.

Pay. Everyone has already learned how to set up and add cards, however, on some devices, the contactless payment system does not work at all or works through time. Here is one of your messages: Good afternoon. My iPhone 6 periodically refuses to pay for Apple Pay purchases. I tried to find a pattern depending on the specific terminal, but even at the same point there were both successful payments and unsuccessful ones. What could be the problem? Very often the problem is caused by mechanical failure, but let's take everything in order. Restoring the firmware Before getting inside the smartphone, let's make sure that there are no problems at the software level. To do this, do the following:

1. Create backup data in iTunes or iCloud. 2. We restore the firmware via iTunes on the computer. 3. We do not download the backup to the device, but configure it as new. 4. Add the card to Apple Pay and try to pay. When paying, remove all covers and cases (even the original ones) from the iPhone. Try to attach the smartphone to the terminal not only with the back cover, but also with the ends of the device. Unlucky Most likely, you are out of luck and restoring the firmware will not work. In this case, you need to take the iPhone to a service center. When the device is under warranty, there is nothing to worry about, but if the device was purchased from hands without documents or the warranty period has expired, you can get “expensive repairs”. Depending on the impudence of the master, they may ask for from one and a half to five thousand rubles to fix the problem, and this is not the limit. Some "serious" service centers may even refuse such repairs. Before giving your favorite gadget to the wrong hands, let's figure out what the problem is. It's all about this little thing. Apple Pay uses an NFC chip on the iPhone. This module rarely fails. Most often, contact between him and the smartphone's antenna disappears corny. The bracket, which is responsible for signal transmission, is located on the right upper corner housing. It is a small jumper. This jumper often has poor contact with the antenna body and because of this, the payment service refuses to work. It is enough to tighten a couple of screws more tightly and the problem is solved. Sometimes good contact clogged dust or debris interferes, you need to completely unscrew the jumper, clean the contact, blow through and install the part in place. In some cases, adhesion is interfered with by a drop of glue or plastic that was carelessly left behind when assembling the device.

Sometimes a small shock awaits users who have opened a smartphone - the necessary spare part is not at all in place, as well as two screws, which should ensure reliable contact. You can find a part in service centers and workshops that buy iPhones for organs. You can order a jumper on AliExpress. There is nothing super-technological in it, it is not necessary to chase the original. How did this happen? The mount could loosen from a strong shake or fall of the gadget. If it's not there at all, this is a sure sign that the iPhone has been rebuilt. It could be sold under the guise of restored or even new. This is common at unauthorized retail outlets, hand-held purchases, or when ordering an iPhone overseas. Perhaps the device was repaired and there, on purpose or accidentally, they forgot to fasten the "useless" part. No luck anyway, all that remains is to fix the problem so that everything works. How to fix everything

You need to go to the nearest service center, tell the master everything inside out and ask in your presence to tighten the necessary screws. For such a procedure, taking more than 500 rubles is a robbery, haggle. The handy technician will do everything in 15 minutes and will be glad to two or three hundred rubles as a thank you. You can try to carry out the repair yourself. To do this, you need a set of tools and instructions from the guys at iFixit. Attention! All actions with your device you do at your own peril and risk, the site administration is not responsible for the possible consequences. It will be enough to do the first 9 steps, and then tighten the screws from step 33. You do not need to disconnect the display and other modules. This is how a common problem with Apple Pay not working is solved. service center ask for a lot of money.

Why Apple Pay isn't working on iPhone 7 and how to fix the problem?

With Apple Pay technology, users can keep all of their bank cards electronic. The standard Apple Wallet utility ensures that your data is securely encrypted and not stolen from Apple servers.

Despite the many advantages of contactless payment, you may encounter problems using this function. For example, in 2017, many iPhone owners 7 started having problems with the work of the saved maps. Such a breakdown still occurs today.

Most likely, the vulnerability will also affect users of newer versions of Apple smartphones, so you need to be prepared for problems. Let's take a look at what to do if Apple Pay does not work on iPhone 7 and how to fix this problem at the software or hardware level.

Causes of malfunction

The main reasons why iPhone stops working contactless payment:

  1. Software. This includes all sorts of bugs and errors that arise in new firmware versions or a problem appears due to incorrect settings which were set by the user himself;
  2. Hardware failure. The NFC chip and its antenna are responsible for the function. If the smartphone is dropped or bumped, this component may stop working. Antenna cleaning or replacement required;
  3. Case. In addition to standard reasons, it is important to note that a cover can interfere with the operation of contactless payments. Of course, there will be no harm from ordinary plastic, silicone and leather options, but when using super-protected models, problems with the "phone-to-terminal" connection may begin;
  4. Terminal breakdown or temporary shutdown. In this case, nothing depends on your smartphone. You should wait until the store staff fix the device or try to pay for the product at another point of sale.

Troubleshooting a software problem

Before proceeding with the hardware repair, make sure that there are no faults at the software level:

  • Create a backup copy of the files and contacts you need and add it to iCloud;
  • Then do a factory reset;
  • After turning on the phone again, activate it and test the contactless payment function. If everything works fine, the problem was a bug operating system... In case of unsuccessful payment, proceed with the repair.

Replacing the NFC Chip

As we mentioned above, contactless payment works thanks to the NFC chip built into the body of the smartphone. Open the back cover of your phone and check if the chip antenna is dirty with dust. In most cases, simple cleaning of the contacts from debris helps. If you see traces of rust on the contacts, you can remove them with a regular stationery eraser.

The location of the NFC antenna is shown in the figure:


It is rather difficult to buy a new antenna part, so parts of donor phones are used to repair NFC in iPhone 7 and other models. It is not in the official list of Apple spare parts.

Remember that you need a special set of tools to open the case, which you can buy on YodaMobile:

  • Spudger;
  • Suction cup for detaching the screen;
  • Tweezers;
  • Engineering hair dryer;
  • Mediators;
  • Pentalobe screwdrivers.
Any instructions on self-repair You can find Iphone 7 on our website, or make a call to a specialist for to any place convenient for you.

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