What is nfc module in xiaomi smartphone and NFC in Xiaomi phone what is it and how to use it?

NFC is a technology for transferring data from one device to another using radio waves over a short distance – up to 10 cm. This function allows you to use your mobile device as a credit card, travel ticket, pass or identity card. It will be useful for every user, you just need to figure out how to enable NFC on your Xiaomi.

Good afternoon, friends. N FC in Xiaomi phone what is it? NFC can be decoded as Near Field Communication. In other words, this function is a proximity sensor. It is used to pay for purchases using the phone. Of course, purchases are paid for with a plastic card. But, the phone replaces the card, which must be applied to the terminal. I think you understand that in order to pay in this way, the store must have a device that supports this technology.

For payment to be processed, the phone must also have an NFC sensor. This connection method is the same for various smartphones from this company, for example: Xiaomi Mi 9T, Redmi Note 8 Pro and others.

There is an abbreviation “NFC” for this term, which has other meanings, see N FC.

NFC mobile phone interacting with the “electronic board”

This technology is a simple extension of the contactless card standard (ISO 14443) that integrates the smart card and reader interface into a single device. The NFC device can communicate with existing smart cards, ISO 14443 readers, and other NFC devices and is thus compatible with the existing proximity card infrastructure already in use in public transport and payment systems. N FC is aimed primarily at use in digital mobile devices.

Capable of more.

To enable contactless payment, we need 3 things: a plastic card that supports linking to a phone, a phone with an NFC sensor, and Internet access.

When you make the settings and pay, the Internet on the phone is not needed, since the interaction is carried out in the terminal. Think about whether your plastic card is connected to the Internet when you pay through it?

Each purchase is made using the Google Pay application, which is a special Google utility that allows you to link a card to a smartphone. Let’s look at the steps on how to do this correctly, provided that you have completed the previous points:

• Download the Google Pay utility from the Play Market;
• Install Google Pay on your phone;
• Launch the utility by entering the “Payment” tab and clicking on the “+ Payment Method” button;
• Take a picture of a plastic card, or click on the “Manual input” tab to write the card number through the keyboard;
• Enter information about the card: its number with the expiration date. On the other side of the card, we need 3 CVC digits;
• After that, we have to enter the following information: Name, Country, Address, phone number and so on. Tap on the “Save” button;
• Do not forget that we enter the phone number that we linked to the plastic card when we registered at the bank office. This number will receive a code that needs to be confirmed by entering it into the contactless payment form.

After we enter the code received by SMS, we will finally link the card to the phone and it will be possible to pay in stores through the phone. We make payment as follows: we bring the phone to the terminal with the back side. There is a special sound and the payment is made. As I mentioned, you don’t need an internet connection for this.

Standardization and industrial projectsEdit

NFC was approved as an ISO/IEC standard on December 8, 2003 and later as a standard by Ecma International.

NFC is an open platform technology standardized in ECMA-340 and ISO/IEC 18092. These standards define the modulation schemes, coding, bit rates, and radio frequency structure of an NFC device interface, as well as the initialization schemes and conditions required to control conflict situations during initialization – for both passive and active NFC modes. In addition, they also define the transfer protocol, including the activation protocol and the communication method. The air interface for NFC is standardized in:

NFC integrates many pre-existing standards, including ISO 14443, ISO 15693. Thus, NFC-equipped phones are able to interoperate with pre-existing reader infrastructure. Especially in “card emulation mode”, the NFC device must at least transmit a unique identification number to the pre-existing reader.

In addition, the NFC Forum has defined a common data format called NDEF that can be used to store and transfer various kinds of data elements, ranging from any MIME-typed object to ultra-short RTD documents such as URLs.
NDEF is conceptually very similar to MIME. This is a compressed binary format of so-called “records” in which each record can hold a different object class. By convention, the type of the first report determines the context of the entire message.

NFC Forum Archived September 3, 2020 at the Wayback Machine is a non-profit association founded on March 18, 2004 by NXP Semiconductors, Sony, and Nokia to promote the use of NFC in consumer electronics, mobile devices, and personal computers. The N FC Forum aims to promote the implementation and standardization of NFC technology to ensure interoperability between devices and services. In September 2007 there were over 130 members of the NFC Forum.

In March 2011, Google joined the NFC Forum as a Principal Member. This is the second most senior role in the NFC Forum. It allows you to test equipment for compliance with NFC Forum standards in your own laboratories, without disclosing the trade secrets of the equipment produced.

The GSM Association (GSMA) is a global trade association representing 700 mobile operators in 218 countries.

They submitted two initiatives:

StoLPaN (‘Store Logistics and Payment with NFC’) is a European consortium supported by the European Commission’s program and Information Society Technologies. StoLPaN will explore untapped potential to harmonize new types of local wireless interfaces, NFC and mobile communications.

Other standards that are involved in NFC include:

• ETSI / SCP (Smart Card Platform) to establish communication between the SIM card and the NFC chipset.
  Single Wire Protocol is an ETSI standard for the exchange protocol between a SIM card and an NFC physical layer chip.
• Single Wire Protocol is an ETSI standard for the exchange protocol between a SIM card and an NFC physical layer chip.
• to define a multi-application secure chip architecture.
• EMVCo for influencing EMV payment applications.

How to know if NFC is on my Xiaomi

It is possible to determine whether there is NFC on a Xiaomi phone using the following methods:

• The easiest is to enter the phone model into Yandex or Google, open the official website with a description of the characteristics and see if they mention NFC.
• Open Xiaomi general settings, find “Connection and Sharing”, check it for NFC settings. If they are, then the smartphone supports this technology.

Advantages of nfc

NFC in a Xiaomi phone makes it possible to connect the contactless payment function. Almost all the latest models released by the Chinese brand support this technology. But this is not all where such a function can come in handy: a pass system in offices and locks in smart homes, fare payment in public transport (for cities where such a payment system is provided), fast file transfer between two devices, reading special tags.

Competitors of NFS technology in the information space are Bluetooth and Wi-Fi.

But the peculiarity of nfs is in a limited range, which makes data transfer safer and faster compared to competitors. Unlike Bluetooth or Wi-Fi, nfs does not need to spend time confirming the connection and entering passwords.

What to do if it doesn’t work

If NFC does not work on Xiaomi, the main task is to make sure that the NFC settings have been set correctly and the necessary accesses and permissions have been granted to the payment application.

Also make sure that the problem is not the unlocked bootloader.

It is usually used for flashing Xiaomi smartphones. If you have access to this downloader, nfs does not work, as this poses a threat to the protection of payments.

To find out the status of the bootloader, you will have to do a number of manipulations.

In the “Settings” menu, go to the “About phone” section. Press seven times on the line “MIUI Version” until the inscription “You have become a developer!” appears.

Return to the “Settings” menu again and open the “Advanced” or “Connection and Sharing” section (for newer versions of Xiaomi mobile devices). Here we look for the opened section “For developers” and click on it.

https://youtube.com/watch?v=Of9-Hzn5qFI%3Ffeature%3Doembed

Now you need to find the desired section “Uploader Status” and open it. Here you will see the bootloader status of your smartphone and a possible reason why Google Pay is not working on your phone. Further, it is better to entrust the solution of the problem to specialists.

xiaomi smartphones with nfc

After entering the international market, the manufacturer began to produce Xiaomi models with an nfc module, but not all devices are equipped with it. If we consider the entire list of models that are on sale under this brand, only Xiaomi Mi support the NFS function.

Xiaomi Redmi note 8t 4

The peculiarity of this particular device, from the supported nfs, is in a large touch screen, where there are no ordinary buttons. The only cut is the front camera. In this phone from Xiaomi, the control buttons (screen lock, volume) are located on one side, which ensures comfortable use with one hand.

Despite the relatively low price, the Xiaomi smartphone works with nfc. Installed platform Android 9.0, 8-core processor, you can work alternately with two SIM cards. There are four main cameras and one front.

• good battery capacity;
• high build quality;
• screen with bright saturated colors;
• separate slots for flash drives and SIM cards;
• fast charging capability.

The disadvantage of the model is the main camera, which does not correspond to the level of the device.

Xiaomi mi 9 lite 6

The Xiaomi Mi 9 lite 6 phone has a large screen (6.39 inches) with a resolution of 2340×1080 without a frame. The case is neat, with rounded edges. The battery capacity is 4030 mAh. The device is available in several colors:

• black;
• white;
• blue.

The case back often has a pattern or iridescent surface. The location of the fingerprint scanner distinguishes this smartphone from other devices. He is on the screen.

• the ability to use fast charging;
• aesthetic appearance;
• high speed performance;
• high-quality glass that is scratch resistant;
• under heavy load (long-term operation of games), there is no strong heating.

But as a drawback, the surface of the back cover, on which scratches quickly appear, should be noted.

Xiaomi redmi note 8 pro 6

Another nfc-enabled device, which is represented by a stylish model with a frameless screen. It has a neat cutout in the shape of a triangle for the front camera with a resolution of 20 megapixels. The Xiaomi Redmi note 8 pro 6 phone has 4 main cameras with a resolution of 64/8/2/2. High performance indicators are due to the 8-core processor.

• large touch screen;
• loud speaker;
• fast operation of the fingerprint scanner;
• smooth transition between pages;
• a case is sold with the device.

As a disadvantage, the large size and weight are noted, which leads to inconvenience in use when the owner has a small palm.

Xiaomi mi 9t pro 6

Another premium device from Xiaomi, in which an nfc module is provided for the owner of the phone. The main highlight of the device is in the retractable front camera. It does not take up extra space on the screen.

Diagonal is 6.39 inches, the phone has 3 cameras, which are equipped with laser and optical zoom and auto focus. Built-in 4000 mAh non-removable battery. Voice control provided.

• high performance indicators;
• original stylish appearance;
• excellent value for money;
• fingerprint scanner responds instantly;
• good resolution and color reproduction.

There is one drawback – there is no indicator light for alerts.

The kit includes a special needle for the SIM card tray, as well as a protective case.

Xiaomi mi note 10 6

The stylish Xiaomi smartphone stands out with its original iridescent body, as well as nfc support. The front camera is almost invisible, and the rest (five pieces with a resolution of 108/12/20/5/2 MP) are placed vertically at the top. To increase the quality of shooting, a double flash is provided.

The battery capacity is 5260 mAh. Built-in 8-core processor, 6.47 inch screen.

• excellent assembly;
• productive processor;
• a battery with a good capacity (with an average load, it works offline for 2-3 hours);
• excellent quality of photos both in the daytime and at night;
• comes with a case.

Being a representative of the premium line, the smartphone has good characteristics, but there are also disadvantages. The largest of them is not very strong glass, so scratches can appear even from carrying in your pocket.

Xiaomi Mi 9t 6

One of the best Xiaomi models with a retractable camera. It is available in several colors: black, blue and red. The lid is decorated with a beautiful pattern. There are three main cameras on the back, the weight is only 191 g. Xiaomi Mi 9t 6 works with an nfc module.

• minimum weight for such dimensions;
• the front camera pops up silently;
• there are no notches on the screen;
• long battery life;
• mirror glass does not get dirty.

The weak side of this model is the quick clogging of the top speaker.

Xiaomi Mi 9 6

Another equally high-quality representative of Xiaomi models with nfc, which provides support for NFC. There is a fingerprint scanner on the screen.

Battery capacity is 3300 mAh. The device runs on the Android 9.0 platform. Camera triple with an extension of 48/16/12 MP.

• convenient MIUI settings;
• laser autofocus;
• high performance indicators;
• support for wireless charging;
• quality sound.

The disadvantage is the low degree of moisture protection of the case.

Is it safe to use NFC on Xiaomi

In the early 2000s, when NFC was first introduced to the world, data encryption was simple, but due to the fact that communication only works at a distance of 10 centimeters between devices, it was believed that this was enough to ensure security .

In 2012, MWR Labs proved that it is possible to use a specially crafted virus located inside one NFC device to infect another and gain full control over it.

Since then, encryption methods have been noticeably strengthened, some gaps in the protocol have been closed, and today it is safe to use NFC on Xiaomi, banking data will not be leaked.

However, there are special recommendations, following which you will almost 100% protect yourself from the possibility of hacking your device via NFC:

• Pay for purchases via NFC on Xiaomi only in official stores in which you are completely sure. Do not use this payment method in cases where you have the slightest doubt that the other party to the transaction is not plotting deceit against you.
• With doubt about NFC tags located in public places, such as on the street or on an advertising billboard.
• If you use an ATM or other terminal with an NFC chip and want to make a payment from your phone, make sure that there are no foreign and strange objects on the terminal case that are near the place where the phone is applied. Remember, NFC works at a distance of up to 10 centimeters, so you don’t need to inspect the entire device, just make sure that there are no foreign objects near the contact pad.
• Disable NFC when you don’t intend to use it. This is necessary so that you do not accidentally create a connection with another phone when, for example, you eat in a cramped subway car, or in other public places. Fraudsters take advantage of this and can deliberately create false NFC tags in vehicles where people stand close to each other in order to trick your phone into connecting to them. The consequences can be unpredictable.

About the author: MiMaster

Hello, my name is Timur. Since childhood, I have been fond of computers and the IT industry, I like it, this is my passion. Over the past few years, I have been deeply fascinated by Xiaomi: ideology, technology and a unique approach to explosive business growth. I own many Xiaomi gadgets and share my experience of using them, but the main thing is solving problems and incidents that arise under unexpected circumstances on the pages of the mi-check.ru website

How to know if there is nfc

The presence of an NFC module in a smartphone significantly affects its cost, so this module is not installed on inexpensive and middle-class models. There are several ways to find out if your xiaomi has this feature or not.

The first way is to check its presence in the phone settings.

It is enough to use the quick search in the “Settings” menu at the top of the page by typing in the desired “NFC”. If the system does not work, then your Xiaomi does not have this function.

One of these free apps is called NFC Enabled. After installation and launch, it will issue one of the inscriptions: “NFC is supported” – if available and “NFC is unsupported” – if there is no module on your xiaomi.

The easiest way is to refer to the technical specifications described in the passport to your Xiaomi, or search for them on the Internet.

Is it safe to use NFC on the phone and should I disable the feature?

Since the data is transferred wirelessly, the question arises about the security of NFC in the phone: can attackers intercept valuable information? Until recently, the NFC protocol did have vulnerabilities that were exploited by criminals. They could monitor the process of data exchange and even interfere with it, as well as take control of the smartphone by transmitting a virus program via NFC. Now all vulnerabilities have been eliminated, and the transmitted data is encrypted using cryptographic methods. The danger of NFC in a smartphone has become much less, but so far it still remains – mainly when the phone comes into contact with “pirated” NFC tags.

Here are some simple precautions to help protect you from intruders:

• •ㅤUse contactless payment only in familiar places – in supermarkets, cafes, shops, gas stations, hotels and other places where you have been and trust. In unfamiliar locations, it is better to pay with cash or a card.
• •ㅤDo not share your phone with other people or leave it near other people’s devices.
• •ㅤDo not bring the device near “orphaned” and promotional NFC tags stuck in public places.
• •ㅤ When withdrawing money from an ATM or paying with a smartphone at a self-service terminal, it is important to make sure that no foreign NFC tags are glued to the contact pad (to which the smartphone is attached).

So is it necessary to disable NFC in a smartphone?

Not necessarily, because today the system is under reliable protection. But if you are not going to use the feature in the near future, it is better to turn it off – this way you will minimize the chance of encountering digital scammers.

In words, the work of NFC looks simple, but in practice it can raise questions. How to understand if the phone supports NFC, what needs to be done to activate NFC on the phone, and what settings will be needed? Understanding!

• 1.ㅤ Where to find NFC in a Samsung smartphone The easiest way to enable the function is in the top curtain: you need to swipe down and activate the NFC icon in the menu. If there is no icon in the curtain, the NFC connection in the phone must be done through the settings. It’s easy: just go to the settings, go to the “Connections” section, select NFC and contactless payments – and activate the function.
• 2.ㅤ How to set up NFC on a Samsung phone To read NFC tags, no additional settings are needed, just activate the NFC function as described in the previous paragraph. But to connect NFC payment on your smartphone, you need to take three more simple steps:
• •ㅤInstall the Samsung Pay app if your smartphone doesn’t have it.
• •ㅤLink a bank card to the application. To do this, you need to enter all its data: number, expiration date, CVC / CVV code.
• •ㅤSet Samsung Pay as the default payment app. This can be done in the device settings in the “Contactless payments” section. That’s it: NFC setup on your phone to pay for purchases is now complete.

To transfer files using NFC to Samsung Galaxy, you need to enable the function on both the sending and receiving devices. After that, you need to bring one device to another – and you can send data.

NFC module for phone

Almost all modern smartphones are equipped with an NFC chip; it can be programmed to read any NFC tags. Contactless payments are just a small part of what it is capable of. For example, it can turn off the sound on the phone, activate GPS, show certain types of notifications, for example, those related only to work, broadcast music through speakers, and the like. Some people even implant NFC tags under their skin to open doors in access control systems or pay subway fares.

How NFC works

NFC (near field communication) technology was developed in 2002 by Phillips and Sony as a result of the development of another popular technology called RFID (Radio Frequency Identification), which is used in access cards and passes for public transport. Structurally, they are very similar, but the reception distance is reduced to ten centimeters, so the smartphone has to be brought almost close to the NFC tags.

This is done primarily for data security. Indeed, in order to read, for example, payment information, it is necessary to bring the devices closer to each other.

NFC compares favorably with Bluetooth, which it is similar to, in that it consumes significantly less power, does not require manual pairing and discovery.

NFC can be used in three ways:

• By building a peer-to-peer network between two devices to exchange any data. For example, Android smartphones use Android Beam to do this, while Apple uses AirDrop.
• Write/read between active and passive device. The smartphone receives data from a gadget that cannot read information.
• Emulation of contactless card for fast payment or loyalty card. Actually, it is the third option that is used most often now.

Experts dispelled popular myths about contactless payment

How to enable nfc on xiaomi

If according to the instructions, the purchased Xiaomi has support for the nfc function, but it does not work by default. To connect it:

• Go to System Settings.
• Select “Additional functions”.
• Find the “Wireless Networks” subsection.
• Among the settings, find the NFC line and activate the switch.
• Additionally activate the “Android Beam” item (provided that it is disabled).

This is how the nfc function is enabled on Xiaomi phones.

Modern mobile device manufacturers are trying to meet the requirements of their potential customers. In the production of new models, they add various features that make a person’s life easier. Xiaomi is not far behind its competitors.

What can you do with NFC on your smartphone?

First of all, make contactless payments when a smartphone replaces a bank card. But that’s not all: let’s figure out what else an NFC module is needed in a smartphone for.

• •ㅤWithdrawing cash from ATMs. All modern ATMs are equipped with contactless modules, which makes NFC a full-fledged replacement for a bank card.
• •ㅤIdentification, pass. The access system for plastic cards works in many office centers: you apply it to the reader and the door or turnstile opens. But a pass on the phone via NFC is more convenient than a card, if only because it is more difficult to forget and lose it.

• •ㅤDigital key. This technology is actively used by hotels, because it is more convenient to open the door with a phone than with a magnetic card, or even more so with an ordinary key. In addition, NFC in the phone is then needed to separate the streams of guests depending on privileges – for example, to give them access to a SPA center, a gym, or to the closed floors of a hotel.
• •ㅤData transmission. The NFC icon on the phone means that the owner has the ability to quickly connect to another device for data transfer without an Internet connection. So you can send photos, videos, links, coordinates, contacts and other information.
• •ㅤRead NFC tags. Why is this feature needed in a smartphone with NFC? For example, to quickly change device settings without turning on the screen. The tag itself is a small flat sticker on which you can write any data or commands. This tag can be glued to the bedside table so that the phone, reading it, goes into silent mode and dims the screen brightness. A Wi-Fi password can be written on the tag in the hallway so that guests, by attaching their smartphones to it, will automatically connect to the home network. And in the car, the tag can activate Bluetooth with geolocation and launch the navigator.
• •ㅤConnect external devices. Yes, the question arises – why do you need NFC in a smartphone to connect headphones and speakers, if they can be connected via Bluetooth? The answer is simple: with NFC, it happens much faster. Bluetooth involves a long search for a device, entering a PIN code, and sometimes connection errors. With NFC in the phone, this can be done easier: bring the device in pairing mode to the smartphone, which will immediately offer to “connect” itself.

The function is available even in budget smartphones

Until recently, the advantages of NFC were available only to owners of expensive flagship devices, but now there are chips in budget models as well. This means that users no longer need to worry about a forgotten wallet, carry multiple cards, and remember complicated Wi-Fi passwords. By choosing a smartphone with NFC, many routine things become much easier: you just need to figure out how to use NFC on your Android phone once and enjoy the benefits of technology.

ApplicationsEdit

TecTiles with built-in NFC tag

NFC technology in 2019-2020 is mainly aimed at use in mobile phones and tablets. There are three main applications for NFC:

• card emulation: NFC device behaves like an existing proximity card;
• reading mode: the NFC device is active and reads a passive RFID tag, such as for interactive advertising;
• P2P mode: two NFC devices communicate together and exchange information.

Many uses are possible, such as:

• Smartphone identification using the PERCo. Access»Mobile access — in access control systems, smartphones with NFC technologies can be used as an identifier.
• An NFC tag is an ultra-thin chip that can contain any information. Information from the tag is read by any device with an NFC module.
• Microchip implant. Due to its tiny size, it can be placed on any surface, it can even be implanted under the human skin.
• Bluetooth pairing – To pair NFC-enabled Bluetooth 2.1 and above devices, just bring them closer together and accept the connection. The device search and authorization processes have been replaced by a simple “touch” of mobile phones.

Other future uses may include:

• Electronic ticketing (air tickets, concert tickets, etc.)
• Electronic money
• Traveler’s Cards
• Identity cards
• Mobile trading
• Electronic keys – car keys, house/office keys, hotel room keys, etc.
• To configure and initialize other wireless connections such as Bluetooth, Wi-Fi or Ultra-wideband.

The NFC patent licensing program is currently (2018) being developed by Via Licensing Corporation, an independent affiliate of Dolby Laboratories.

Failed to setup Xiaomi contactless payment

Were you unable to pay by phone? Then let’s check once again how correctly we set up the smartphone:

• Check if NFC is enabled in the phone in the “Connection and Sharing?
• Checking if “SIM Wallet” is enabled in the right section?
• Can I call your bank and ask if their card is linked to Google Pay?
• We lean the phone against the terminal with the back side. At the same time, we look: – the distance should be up to 2 cm.

In addition, your smartphone purchases may fail if you do not have NFC permission for the Google Pay app. Let’s activate it:

• Open the settings and go to the “Applications” tab. In the new window, select the “All Applications” tab;
• In the list of applications that appear, click on the Google Pay application;
• After that, select the “Other permissions” tab;
• Next, we need to find the NFC hardware components;
• Click on the “Allow” tab.

Conclusion: NFC in the Xiaomi phone that we reviewed and finished our setup. Your phone can be linked to several cards at once in this way. At the same time, one of the cards becomes the default card (you choose it yourself). It is from this card that payment will be made, unless you select another one in advance. Good luck!

Most often, users want to use NFC on Xiaomi as a substitute for bank cards, so that it is convenient to pay for purchases in stores.

To do this, you must first install an application that will be associated with the bank in which your money is located.

In the recent past, it was possible to use the Google Pay program by entering data on a bank card into which a smartphone automatically deducted money from it when brought to a bank terminal.

But now this application cannot be used, instead of it in Russia now Mir Pay, which works only with MIR cards.

And although Xiaomi smartphones also support other protocols for working with NFC, for example, by touching one phone with another, it is possible to start transferring photos or other data, this is not very convenient.

For some reason, the operation of this algorithm is not stable. Its essence is that NFC is necessary to exchange settings for further data transfer via Bluetooth or Wi-Fi. It does not always work quickly and clearly, so I used this opportunity only a couple of times in a few years and remained somewhat confused.

In order to enable NFS on your Xiaomi, just go to the “Settings” menu item, which is located either on the desktop or on the lowered screen curtain, in the upper right corner in the form of a gear icon.

https://youtube.com/watch?v=E0aEksW5Jt0%3Ffeature%3Doembed

In older versions of Xiaomi, you need to find the section “Additional functions”, in the latest models it is called “Connection and sharing”. Scroll to the bottom to find the NFC section. By setting the switch to the active state, you can configure this function, taking into account the manipulations you need and the data you have.

How to pay via nfc

Xiaomi has its own MI Pay payment application, but it only works in China. Therefore, for the correct operation of Android phones, the Play Market has an application from Google or others that are convenient for you (however, it is not recommended to install those in which you are not sure, since they will ask for your card details during authorization, which may be unsafe).

Google Pay currently only works with three payment systems: MasterCard, Visa and Maestro. All of them have a limit on a one-time transaction without entering a pin code.

How to link a bank card to a chip

To make your xiaomi a bank card, there are several ways to connect your mobile device with payment applications.

First you need to make sure that you are a client of a bank that supports payments via smartphone. You can get such information from the operators of your bank or on its website.

If the bank has such an option, then you will be provided with a link to download the application in the Play Market.

After installing the bank application and filling in all the necessary details, make sure that the nfs function is enabled on your phone. In the menu in the same place where you connected the nfs function, there is a section “Contactless payment”, by clicking on which the subsection “Payment by default” will open. At this point, you must select the installed banking application.

https://youtube.com/watch?v=Tn67UVopLRI%3Ffeature%3Doembed

Now, to pay, you need to launch the bank application, enter your pin code or fingerprint in it and attach the phone with the back side to the terminal.

After installing and launching it, we find the “Add a credit or debit card” section. Next, either scan the card or enter the details manually, indicate the month, year and three CVC digits that are on the back of it. Click save and the application is ready to use.

Using the Google Pay app, when setting up contactless payment, in the “NFC” menu (section “Security element location”), select “HCE Wallet”.

In the “Contactless payment” section, select Google Pay. It remains to go back to the general settings menu and provide all the necessary permissions for work. In the “Settings” menu, select the “Applications” menu, then “All applications” and in this subsection select Google Pay from the list.

https://youtube.com/watch?v=Yewxxwvcm2g%3Ffeature%3Doembed

Move the slider to the active state in the “Autostart” line, in the “Activity Control” item select “No restrictions”, in the “Other permissions” line we provide access in the “Run in the background” subsection.

After the done manipulations, the smartphone and the payment service are ready for work, you just need to unlock the phone and bring it to the terminal.

Safety

American security expert Charlie Miller experimentally proved that it is possible to control someone else’s Android smartphone using the NFC function. He used the NFC tag to redirect the victim’s smartphone to a malicious website through the Android Beam program.

Such a hack can be used using NFC tags pasted at retail outlets, at bus stops, in any crowded places. For example, it is enough to change the tag on a movie poster so that the victim, instead of buying a ticket to the cinema, gets to a phishing site.

The function that allows you to pay from the device without actually having a card attracts the attention of scammers, says Anton Rogachevsky, Senior Lecturer at the Department of Banking at Synergy University.

Experts explained the dangers of making payments with a phone in hand

“One of the most popular methods has become attaching a POS terminal to the device. The usual location of the phone is in the pocket of your pants. It will not be difficult to put the terminal in a bag with a pre-set amount, and during rush hour in transport to approach the victim at close range and hold a bag next to the device,” notes Rogachevsky.

To avoid this, you should set a lock in your smartphone, and set a limit in the contactless payment application. Payment should take place only after confirming the password or reading the fingerprint, experts advise.

To protect yourself from cyber scammers, it is important to follow a few simple rules: activate the NFC function in your smartphone directly only at the time of payment, set a biometric password or pin code for debiting funds, use an antivirus, do not share your confidential data with anyone.

What else is NFC used for

The possibilities of near contactless communication do not stop at fast payments, they are much wider and more diverse: receiving and transmitting data, using the phone as a digital key, wireless charging, biometric identification of a person, and so on.

Personal identification

NFC-enabled IDs are considered to be securely encrypted, easy to use, and accessible to the general public. You just need to touch the ID with your smartphone for the reader to work.

Digital key

Short-range contactless communication allows you to open doors in an office, hotel or apartment, go through turnstiles in an organization, at an airport, use personal or public transport, gradually replacing RFID cards.

Receiving and transmitting data

With “near field communication”, data can be received and transmitted quickly. For example:

• Sending and receiving phone numbers from the address book. Speeds up the process of exchanging numbers and eliminates errors in the recording.
• Sharing photos, documents via NFC eliminates the need to use the Internet and open third-party applications.
• Ability to share routes laid out, for example, in Google maps.
• Quick app search. In order to find the application you like in the Market, sometimes you need to spend a lot of time. NFC technology allows you to simply share the download page by leaning your phone against another gadget.

NFC tags

NFC tags may appear on promotional leaflets, signs or posters. It is enough to bring the phone closer to the mark – and the information will be displayed on the screen. Moreover, such a label contains much more data than a QR code, and the camera does not need to be turned on. In addition, the label can be programmed for any action. For example, stick it on the desktop in the office so that the smartphone, once on it, becomes silent and does not distract from work.

Connecting other devices

Instant synchronization of smart watches, headphones and fitness bracelets. It is enough to bring the device closer, and identification will occur automatically.

Recently, not only smartphones can support short-range contactless communication. Many manufacturers equip refrigerators, TVs, computers, stereos and more with it. This allows you to control them remotely, quickly connect to Wi-Fi, share multimedia files.

Wireless charger

Scientists have found that the technology of short-range contactless communication is capable of transmitting not only data, but also electricity. In many cases, wired charging is inconvenient for the user. For example, when in order to receive a call or make a call yourself, you need to disconnect the gadget from the wire, and then connect it again. Since many smartphones are equipped with port plugs, connectors that do not allow you to quickly insert the wire, and other obstacles, wireless charging is more convenient.

Enable NFC on Xiaomi

Before setting up contactless payment, you need to enable the NFC sensor in your phone. At the discretion, it is disabled, because. emits electromagnetic waves all the time and takes part of the battery energy.

Having done these steps, we will start setting up contactless payment.

Security aspectsEdit

The NFC standard itself does not offer protection against eavesdropping. According to the original design, the protocol stack should use cryptographic algorithms on top of NFC to protect data.

Data destruction is relatively easy to implement by means of electronic warfare (EW), that is, RFID jammers. There is no way to prevent such an attack, but the only result will be the inability to establish a connection.

Unauthorized modification of data inside a message by an attacking device is unrealizable in practice due to the impossibility of predicting the amplitude and phase shift of the induced signal at the receiving device. R FID receiver is sensitive to sudden changes in the amplitude and phase of the carrier signal.

Relay attack

Not all phones support Near field communication. Users of near contactless communication are owners of iPhone 6 and above. It is also present in smartphones based on Android, starting with the fourth version of this operating system. However, many manufacturers restrict the use of NFC on the same models made for different countries.

To find out if there is an NFC function on the phone, you need to perform several manipulations:

• Go to the settings and find any mention of NFC there (most likely it will be in the connection or wireless network settings), you can use the search function.
• Read the user manual.
• Find applications on your phone that somehow mention this technology.
• Move your smartphone over any NFC tag.
• Use programs that check for this feature.

How to enable NFC and start using contactless payments

In Apple smartphones, you do not need to activate the proximity function, it is enabled by default. For devices based on the Android operating system, you need to go to “Settings” – “Wireless networks”, or, “Settings” – “Connections” – “Other connections” and enable the NFC option in the phone. To start using contactless payments, you need to create a Google Pay, Apple Pay or Samsung Pay account, depending on which payment system is linked to your phone, and register debit or credit cards in it.

How to set up Google Pay

Google Pay guides you through every step of signing up for an account and credit card with intuitive prompts. You must click the “Add a map” button, and Google will tell you if there is already a map associated with your account, or offer to add a new one. If there are no linked maps (for example, from the Google Play Store) or you need to add a new one, then the add options open.

You can do this automatically by pointing your smartphone camera at the card, or you can manually specify the number, expiration date and CVC. After checking by the bank and entering the confirmation code, the contactless payment option will be ready for use.

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How to set up Apple Pay

Apple Pay remembers up to eight different bank cards, any of which can be used for contactless payments. The setup takes place in the Wallet app.

To add a card, you need to place it in the frame of the camcorder. The application automatically scans the front side, inserting data into the form. You need to use the scroll wheel to write down the expiration date of the card and enter the security code. Then follow the step by step instructions.

How to set up Samsung Pay

Adding cards to Samsung Pay occurs through the application of the same name and repeats the steps of the above payment systems. However, the Korean corporation went a slightly different way and added one nuance: in addition to NFC, its smartphones also support conventional credit card technology called Magnetic Secure Transmission (MST), which allows the system to work on most cash registers, regardless of whether they accept payments NFC or not.

If the cash register works with magnetic credit cards, which almost every cash register can do, Samsung Pay should work.

What is NFC used for in Xiaomi smartphones

As we already know, NFC is just a communication technology, it is not determined by any narrow field of activity. The flexibility of use depends on the imagination of the person and the ease of use.

So NFC is used in bank cards, or in other gadgets that require connection with a paired module.

This technology is also used in hotels, where instead of a room access card, you are asked to install a special program on your phone and create a temporary account for you, using which you can open the door of your room using NFC.

Recently, the method of paying for public transport has become more and more popular, a special terminal with NFC is installed at the entrance, by attaching a smartphone to it you will make a payment.

If we consider the scope outside of Xiaomi technology, then NFC is used in medicine to track the movement of a patient within a hospital complex, or to track the work of a nurse, how often she approached a patient or how long she was near him.

An NFC tag is also added to the packaging of certain medicines, which can be used to reliably determine the authenticity of the medicine.

What is nfc for

https://youtube.com/watch?v=MmZVvAIAhKU%3Ffeature%3Doembed

NFC technology is designed for non-contact high-frequency communication. For operation, a frequency of 13.56 MHz is used. With its use, you can quickly transfer various files between devices.

Nfc in Xiaomi allows you to perform the following functions:

• payments without contact;
• payment for goods and services without using a physical card;
• Bluetooth pairing (possible for versions above 2.1);
• payment for tickets in transport;
• enables wireless connections.

Many modern users are looking for Xiaomi smartphones with nfc to seamlessly make payments and not carry a mountain of cards with them.

LinksEdit

• NFC technology in smartphones and its practical use Archival copy of September 23, 2014 on the Wayback Machine // IXBT.com
• ISO/IEC 18092:2004 Archived July 10, 2020 at the Wayback Machine

Pros and cons of technology

The advantages include fast payment, versatility of use in various areas of life, strong encryption for access control systems.

The disadvantages of the technology are higher power consumption, high cost of hardware and software, a short distance to establish a connection, the likelihood of hacking confidential data, and low data exchange speed.

This technology allows you to make instant payments from smartphones or tablets, it only takes a few clicks to process a transaction.

The NFC platform is versatile, covering a wide range of services and industries, and can be used to book restaurants, train or movie tickets, provide real-time information on spending and bonus points, redeem coupons, and more.

NFC’s strong encryption allows institutions to use it in access control systems to verify or enter employee IDs, and to share information in real time with other users or devices.

In some ways, using a mobile wallet is safer than a regular bank card. If the gadget is stolen, credit card information is protected by a password, pin code or biometric data of the owner. Unlike magnetic stripe cards, whose data can be seen by retailers, NFC technology does not provide physical access to a bank card.

At the same time, for many companies, the use of devices with short-range contactless communication is too expensive, as it involves the purchase and installation of equipment, software, and the hiring of technical specialists.

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Although NFC transactions are more secure than regular credit card payments, this technology is not completely risk-free. Mobile hackers have developed many ways to gain unauthorized access to personal financial data stored on phones, and the struggle for their privacy is ongoing.

The disadvantage is that communication takes place over a very short distance, as well as the fact that the data transfer rate is very low (about 106, 212 or 424 Kbps). In addition, the power consumption of NFC-enabled devices is comparatively higher than that of non-NFC-enabled devices.