How to use nfc function

1. Take MIUI system as an example, open the setting application in MIUI system, and click the "More connection modes" setting item.

2. Next, in the opened page, click the button switch to turn on the NFC function of the mobile phone.

3. Next, go back to the home page of the mobile phone desktop and slide the home page to the right.

4. Next, in the pop-up page, click and select the "Xiaomi Wallet" menu item to call the Xiaomi Wallet function.

5. Finally, you can select bus card or flash payment function in the page, and use NFC function to realize bus card ride or credit card payment.

How to use NFC function of mobile phone? What do you need?

Usage: 1, contact completed.

For applications such as access control or traffic/activity ticket inspection, users only need to put the device with the ticket or access control code near the card reader. It can also be used in simple data retrieval applications, such as reading web addresses from smart tags on posters.

2. Contact and confirmation. For applications such as mobile payment, users must enter a password to confirm the transaction, or just accept the transaction.

3. Contact and contact. Linking two NFC-enabled devices can realize peer-to-peer network data transmission, such as downloading music, exchanging images or synchronously processing address books.

4. Contact and explore. NFC devices may provide more than one function, and consumers can explore the functions of devices and understand the potential functions and services of NFC devices.

What you need: You need a NFC-enabled mobile phone and related equipment, such as access control, bus NFC charging equipment, etc. The NFC function of the mobile phone is to use the NFC mobile phone as a reading device. In this mode, the NFC mobile phone with reading function collects data from the tag and then processes it according to the requirements of the application.

Some applications can be completed directly locally, while others need to be completed by interacting with the network. Extended data:

NFC development background: near field communication, near field communication.

This is a wireless technology initiated by Philips and jointly promoted by famous manufacturers such as Nokia and Sony. Many companies, universities and users have established the Pan-European Union, and they are all developing the open architecture of NFC and promoting its application in mobile phones.

NFC is developed from the integration of contactless radio frequency identification (RFID) and internet technology. It integrates the functions of sensor card reader, sensor card and point-to-point on one chip, and can identify and exchange data with compatible devices in a short distance. This technology was originally a simple combination of RFID technology and network technology, but now it has evolved into a short-distance wireless communication technology, and its development trend is quite rapid.

References:

Baidu encyclopedia -NFC.

What is the NFC function of mobile phone for? How to use it?

Simulate it into contactless cards, such as access cards, bank cards, etc. Card simulation mode is mainly used for contactless mobile payment applications such as shopping malls and transportation. Users only need to put their mobile phones near the card reader and enter the password to confirm the transaction or directly receive the transaction. In this way, the card is powered by the RF domain of the contactless card reader, and even the NFC device can work without power. In this application mode, NFC reader collects data from NFC mobile phone with tag function, and then transmits the data to the application processing system for processing. Typical applications based on this model include local payment, access control, electronic ticket application and so on.

The use of NFC function, taking Xiaomi mobile phone as an example, the specific steps are as follows:

1. On the main page of the mobile phone, find the "Settings" icon and click Enter.

2. Among the options listed in Settings, find More Connection Methods, and then click Enter.

3. There is an NFC module among the listed functions. Turn on the NFC of the mobile phone, and the display allows the mobile phone to exchange data when contacting other devices. After opening, some options at the bottom also change from gray to black.

4. When NFC uses wallet, you can choose the default wallet. For example, you can set this option when using payment.

5. Touch payment. Choose applications that can be paid in this way.

6, open the Android bean, this can be opened or not. Used to share content between two devices.

How to use NFC function?

NFC is a short-range wireless communication technology.

This technology is developed from contactless radio frequency identification (RFID), based on RFID and internet technology. Near Field munication (NFC) is a short-range high-frequency radio technology, which works within 20 cm at the frequency of 13.56MHz, and its transmission speed is 106 Kbit/ s, 2 12 Kbit/ s or 424 Kbit/ s ... At present, The near field communication has passed the ISO/IEC IS 18092 international standard, ECMA-340 standard and ETSI TS 102 190 standard. NFC adopts active and passive reading modes.

Mobile phone users can use the mobile phone with NFC payment function to travel all over the country: it can be used as airport boarding verification, building access control key, transportation card, credit card, payment card and so on.

How to use (conditions):

NFC-enabled devices (such as NFC-enabled mobile phones)

Software that supports NFC function, such as mobile APP.

Services supporting NFC technology, such as bus card recharge service and Alipay transfer service.

Put devices with the above three conditions (such as mobile phones supporting NFC and with Alipay APP) near the cards to be used and similar items (such as bank cards supporting flash payment function). After the mobile phone turns on NFC, it will automatically identify the information of the bank card and its recent usage record, and will prompt to call Alipay APP, which can realize the direct transfer service to the bank card.

Other functions are similar, as long as two NFC devices are close, they can communicate with each other.

How to use nfc function?

Above, we see that more and more smart phones, especially those newly released by 20 13, basically have built-in NFC function. So what can NFC do and how can it be used?

At present, NFC devices are mainly used for mobile phone applications. At present, NFC technology is mainly used in the following five categories.

(1) explosive, such as access control, tickets, tickets. Users only need to put the equipment with tickets or access codes near the card reader, which can also be used for logistics management.

(2) Touch payment, such as non-contact mobile payment, where the user places the device near the POS machine embedded with NFC module and confirms the transaction to make payment.

(3) Touch connection, such as connecting two NFC devices for point-to-point data transmission, such as downloading music, exchanging pictures and exchanging address books.

(4) Contact and exploration. Users can connect NFC phones to smart public telephones or posters with NFC function on the street to browse traffic information.

(5) Loading and touching, users can receive or download information through GPRS network for payment or access control. As mentioned above, the user can send a short message with a specific format to the domestic helper's mobile phone to control the domestic helper to enter the house.

For example, the application of NFC technology in Nokia Lumia920/820 is relatively mature. Not only the traditional NFC technology is applied, but also the NFC wireless headset and other external devices based on NFC technology are developed. Samsung Not2 can also be used as a bus card, and you can brush your mobile phone after work without carrying a special bus card.

How to use the NFC function of Alipay?

First, you need to download the latest version of Alipay Wallet 8.0, and then install it in the Android phone. Secondly, your mobile phone must support NFC near-field distance sensing. You need to turn on the NFC function of your phone before using it.

Click the "Settings" icon in the desktop application list to enter the settings interface. Find the "More" option in the setting interface, and click Enter.

Simply check the check box button of NFC function to allow reading and writing tags and data transmission between devices. This turns on the NFC function of the mobile phone. Different mobile phones have different ways to open this function, and you should operate it according to your mobile phone. Generally, NFC function can be set in the "Wireless and Network" interface.

After the NFC function of the mobile phone is turned on, open the Alipay wallet software in the mobile phone and log in to your Alipay account. Switch to the "More" interface in Alipay interface,

Click the "NFC function" option, and then press the switch button in the new interface to turn on the NFC function of Alipay, as shown in the figure. After opening, you can use the NFC tag of the mobile phone (usually on the back cover of the mobile phone) to get close to the bus card, bank card and other cards. At this time, Alipay will automatically read the card information (if it cannot be read, please approach the NFC tag or restart the phone).

How to use the NFC function of Alipay?

There is a premise to use Alipay NFC function, that is, your mobile phone must support NFC function, otherwise it cannot be used. Take Alipay Wallet Version 9.0 as an example. The steps of using NFC for mobile Alipay wallet are as follows:

1. First we turn on the phone, and then we click Alipay on the phone desktop.

2. After entering Alipay, we click My in the lower right corner, and then we click Settings;

3. In the pop-up interface, click General, as shown in the figure below.

4. In the pop-up interface, we click NFC, as shown in the figure below.

5. Then we slide the NFC switch to the right, as shown in the figure below.

6. The interface pops up, and we click Open, as shown in the figure below.

7. In the pop-up interface, we slide the NFC switch to the right, as shown in the figure below.

8. After sliding, we turn on the NFC function of the mobile phone, as shown in the figure below.

9. When we return to the startup of Alipay NFC, we can see that it has been started at this time, as shown in the figure below.

10. After Alipay turns on the NFC function, the front of the bus card or bank card is close to the mobile phone, and NFC can be applied to support recharging and query reading in the scene.

Extended data:

Nfc function of mobile phone

1. Enjoy pictures, contacts, websites and applications with NFC***.

2, read the bank card, the current bank card is an IC chip card, unlike the original magnetic stripe, the security is greatly improved, and it is more convenient to use.

3. Alipay needs to be installed on the mobile phone, the bank card should support "flash payment", and the bank card should be close to the NFC chip on the back of the mobile phone. At this time, the mobile phone will pop up a window to choose to open the program and choose Alipay to open it. You can check the relevant information of the bank card (different bank cards can read different information) and transfer money directly to the card.

References:

Baidu encyclopedia -NFC mobile phone

What is the NFC function on the mobile phone for?

NFC function: It can realize mobile payment, electronic ticketing, access control, mobile identification, anti-counterfeiting and other applications.

Near field communication is a new technology, and devices using NFC technology (such as mobile phones) can exchange data when they are close to each other. NFC is developed from the integration of contactless radio frequency identification (RFID) and internet technology. By integrating the functions of sensor card reader, sensor card and point-to-point communication on a single chip, mobile terminals are used to realize applications such as mobile payment, electronic ticketing, access control, mobile identity recognition and anti-counterfeiting.

Extended data:

Near field communication, also known as near field communication, is a short-distance high-frequency wireless communication technology, which allows non-contact point-to-point data transmission and data exchange between electronic devices. This technology evolved from the contactless radio frequency identification (RFID) jointly developed by Philips and Sony, and is based on RFID and internet technology.

Near-field communication is a short-range high-frequency radio technology, which works in the range of 20 cm, the frequency is 13.56 MHz, and the transmission speed is 106 kbit/s, 2 12 kbit/s or 424 kbit/s. ..

Near field communication service combines near field communication technology and mobile communication technology, and realizes many functions such as electronic payment, identity authentication, ticketing, data exchange, anti-counterfeiting and advertising. This is a new service in the field of mobile communication. Near-field communication service has changed the way users use mobile phones, made users' consumption behavior gradually electronic, and established a new consumer and business model.

The application of Near Field Communication (NFC) technology has been widely concerned around the world, and different roles such as telecom operators and mobile phone manufacturers at home and abroad have launched application pilots one after another, and some international associations have also actively promoted standardization. According to the prediction of relevant institutions in the industry, the mobile phone application based on near field communication technology will become the next killer application of mobile value-added services.

References:

Nfc Baidu encyclopedia

How to use the NFC function of WeChat?

Just bind the bank card.

1, the nfc function on WeChat can only be used within a specific range, and the other device needs to support nfc function to connect.

2. Unlock the phone and enter the phone desktop.

Click "Settings"-"More" in the wireless and network bar, and you can see the open button of NFC function. Swipe right to turn on the NFC function.

After turning on NFC, select the content you want to share, and then keep the two devices back to back, with the distance within 10 cm. Then the system will start to connect, and then click that thing to send it to the other party's equipment.

After turning on NFC, you can also check the balance of subway and bus cards. To check the balance, you need to install software (such as NFC toolbox). If the user's city and bus support NFC, you only need to change a SIM card with NFC function, so you can use the card swiping function more conveniently.

3.nfc function can be used for contactless transaction transmission information, such as bus card recharge, NFC function induction, direct recharge using WeChat, etc.

What does NFc function mean?

The English full name of NFC is Near Field Communication. This is a wireless technology initiated by Philips and jointly promoted by famous manufacturers such as Nokia and Sony.

NFC, also known as near field communication, is a short-distance high-frequency wireless communication technology, which allows non-contact point-to-point data transmission between electronic devices (within ten centimeters) to exchange data. This technology evolved from contactless radio frequency identification (RFID). The backward compatible RFID first developed by Sony and Philips is mainly used to provide M2M(Machio Machine) communication in handheld devices such as mobile phones. Due to the natural security of near-field communication, NFC technology is considered to have great application prospects in mobile payment and other fields.

Second, what is the use of NFC function?

Some smart phones now have NFC function, but everyone knows little about NFC function, which makes many people want to know what NFC function is and how to use it. Let's discuss these two issues.

What is the use of NFC function? When NFC function is applied to mobile phones, we can develop many life applications that are convenient for our lives. These life applications can play a lot of convenient roles in our life, such as payment, logistics and so on.

At present, the application of NFC technology in mobile phones mainly includes the following five categories.

1. Contact passes, such as access control, tickets, etc. Users only need to store tickets or access control passwords near the card reader, which can also be used for logistics management.

2. Contact payment, such as contactless mobile payment, allows users to pay by placing the device near the POS machine embedded with NFC module and confirm the transaction.

3. Contact connection, such as connecting two NFC devices for point-to-point data transmission, such as downloading music, exchanging pictures and exchanging address books.

4. Contact browsing, users can connect NFC phones to smart public telephones or street posters with NFC functions to browse traffic information.

5. Download contacts, users can receive or download information through GPRS network for payment, access control and other functions. As mentioned above, users can send short messages in a specific format to the domestic helper's mobile phone to control the authority of the domestic helper to enter and leave the house.

Third, how to use the NFC function

Generally, only smart phones have NFC function. Below we will explain in detail how to use NFC function in Android smartphone.

1. First, turn on the NFC function in the mobile phone. The steps are as follows. Click "Settings", then "Network" and then "NFC" to open it successfully. This function is turned on by default in some mobile phones. For details, please check whether it is turned on through the above steps. For example, Meizu MX3 is turned on by default. If you don't need to use this function, you can click Close again.

2. After turning on NFC, select the content to share, and then make the two devices back to back, with the distance within 10 cm. At this point, the system will start to connect. After the device is connected, click the file to be sent, and it can be sent to the other party's mobile phone. This function is similar to the Bluetooth function in mobile phones.

3. You can also check the subway through NFC function, and you need to install software (snapshot NCF or NFC toolbox) to check the balance. If your city and bus support NFC, and other devices such as your stereo, TV series, access control and other devices support NFC, you can also use a mobile phone with NFC function to control it.