NFC Xiaomi Redmi Note 7: How to connect and use the module

Xiaomi Redmi Note 7 is one of the most popular smartphones in the budget segment, but the question is about availability and operation. NFC-The problem is that not all versions of this device are equipped with a chip for contactless technologies, and in those where it is, the functionality is often hidden or requires additional manipulation. If you want to use your phone to pay for purchases, read tags or transfer data – this article will help you understand all the nuances of the phone.

We will tell you in detail how to check the presence of NFC In your Redmi Note 7 model, activate the module through settings or an engineering menu, configure Google Pay and other payment systems, and consider alternative ways if the chip is missing. We will pay special attention to common errors (for example, why the phone does not see the label) and restrictions, which the manufacturer does not say anything about.

How do I know if I have NFC In your Redmi Note 7

The first thing to do is make sure your smartphone supports you at all. NFC. Xiaomi Redmi Note 7 was released in several versions, and not all of them are equipped with this module:

• 🔍 View box or documentation: The original packaging or specifications (if retained) should include a mention of support NFC. Look for the inscription «NFC» or "Near Field Communication».
• 📱 Check in Settings: Go to Settings → Connected devices → NFC. If there is no point, the module probably does not exist.
• 🔧 Use the engineering menu: Enter the code ##4636## in the phone app, then select Phone Information and scroll down «NFC», It's inactive -- the chip is there, but it's off.
• 🛠️ Disassemble the phone (extreme case): The motherboard should have a small chip marked next to the battery NXP PN547 Or similar. We don't recommend it without experience!

Even if your Redmi Note 7 is available NFC, For example, in some versions for India or China, the module is locked at the software level and is not turned on in standard ways.

Step-by-step instruction: how to turn on NFC on the Redmi Note 7

If you've confirmed a module, it's time to activate it, and most of the time, it's done through standard settings, but sometimes it takes extra action.

Method 1: Standard Enablement through the Menu

The easiest method is to use the built-in settings:

1. Open Settings (the gear icon on the main screen).
2. Go to Connected Devices (or Wireless Networks in older versions of MIUI).
3. Slip on NFC.
4. Transfer the slider to the "On" position.
5. Optionally, enable Android Beam (for file transfer) and Payments (for contactless transactions).

If the paragraph NFC No menu – try updating your firmware to the latest version MIUI (the instructions below or use alternative methods.

Method 2: Enable through the engineering menu (if NFC concealed)

In some firmware, the option NFC It is hidden, but it can be activated manually:

Make sure your phone is at least 50% charged

Record current network settings (in case of reset)

Have a screen unlock code on hand

Do not interrupt the process until it is completed-->

1. Open the Phone app and enter the code:
   ##4636##


2. In the menu that opens, select “Phone Information”.




3. Scroll down to the "RF Band Mode" or "NFC" block.




4. If you have an option called "Enable NFC," tap it.




5. Reboot the phone.

Important: on some versions MIUI after-in NFC through the engineering menu, you need to reset the network settings (Settings) → System system → Resetting settings → Reset Wi-Fi, mobile network and Bluetooth settings, otherwise the module will not work stably.

Method 3: Update the firmware to activate NFC

If you are in your current version MIUI option NFC missing, but the chip is physically there – try updating the firmware:

1. Go to Settings → About the phone → System update.
2. Click on “Check Updates” and install the latest version available.
3. After the update, check for the NFC option in the settings.

If the official update did not help, you can try to switch to global firmware (for example, MIUI Global or custom (e.g. LineageOS) where support is provided NFC It's better implemented, but it requires unlocking the bootloader and it can take away the warranty.

💡

Before updating the firmware, make a backup of the data through Settings → Additionally. → Backup and reset, which will keep you from losing contacts and photos when you crash.

Contactless payments (Google Pay, Mi Pay, SberPay)

One of the main applications NFC — To make it work on the Redmi Note 7, you need not only to turn on the module, but also to set up the payment application correctly.

Step 1: Adding a card to Google Pay

The most common option is Google Pay (now Google Wallet):

1. Download the Google Wallet app from the Play Market.
2. Open it and click "Add map".
3. Scan the map or enter the data manually.
4. Confirm the addition via SMS or banking application.
5. Install Google Wallet as the default contactless payment app (Settings) → Annexes → By default. → Payments).

Attention! Some banks (such as Tinkoff or Alfa Bank) may block the addition of cards to Google Pay on uncertified devices, in which case try Mi Pay or SberPay.

Step 2: Set up Mi Pay (an alternative to Google Pay)

Mi Pay is a branded payment solution from Xiaomi that works even on devices without Google certification:

1. Download Mi Pay from AppGallery or from the official Xiaomi website.
2. Sign in or sign in through your Mi Account.
3. Add a bank card (Sberbank, VTB, Gazprombank, etc. are supported).
4. Activate the contactless payments option in the application settings.

Mi Pay supports Mir Pay, which may be important for Russian bank users, but make sure that the terminal accepts Mi Pay before paying, as not all stores support it.

Compatibility of payment systems with Redmi Note 7

1. Is it on? NFC customized.

2. whether the payment application is installed by default.

3. Does your bank support contactless payments through the selected system.-->

Using NFC for tag reading and automation

Besides payments, NFC You can use it to interact with tags -- little chips that trigger certain actions when a phone is approaching -- for example, a tag on a door can turn on Wi-Fi, and on a desktop, it can run the right apps.

How to sign up for a team NFC-marker

You'll need:

• 🏷️ Empty. NFC-tag (you can buy on AliExpress or in electronics stores).
• 📱 Recording annex (e.g, NFC Tools or Trigger).
• 🔋 On-line NFC customized.

Instructions:

1. Open the app. NFC Tools and select "Write down».
2. Click Add Record and select an action (such as Open). URL», «Enable Wi-Fi, “Run the application»).
3. Fill in the settings (for example, enter a link or specify an application).
4. Put the phone to the tag, the data will be recorded.

Example of use: stick a label on the bedside table so that when the phone approaches, the silent mode automatically turns on and Wi-Fi turns off.

Popular applications for working with NFC-marker

Common problems with NFC Redmi Note 7 and its solutions

Even if NFC It's enabled, users often encounter errors, and we'll look at the most common ones and how to fix them.

Problem 1: NFC It's on, but it's not working.

Symptoms: the slider is active, but payments do not pass, the tags are not read.

• ⚡ Resetting settings NFC: Go to Settings. → Annexes → All applications, find «NFC», Click on “Clear Cache” and “Reset Settings».
• 🔄 Phone reboot: Sometimes it helps to simply turn off and turn on the device.
• 📱 Antenna check: Bring your phone to the tag in different places - antenna NFC It can be moved closer to the camera or center.

Problem 2: Contactless payments are not being made

If the terminal does not accept payment:

• 💳 Check your bank card: Make sure it is added to the payment app and not blocked.
• 📶 Update your payment app: Go to the Play Market and check for updates for Google Pay or Mi Pay.
• 🔒 Remove the case: Some cases with metal elements block the signal NFC.
• 🏦 Try another terminal: Perhaps the problem is on the store side.

⚠️ If you are using Mi Pay and the terminal is giving an error called “Unsupported Card”, try linking the card to Google Pay or check with the bank if it supports it. HCE-Payments (host card emulation).

Problem 3: NFC is spontaneously shut down

If the module is deactivated after restarting or after a while:

• 🔋 Check battery savings: Go to Settings → Battery → Saving charge and adding NFC excepted.
• 📲 Turn off optimization for NFC: In the application settings, find «NFC», Open the battery and select "No restrictions».
• 🔄 Reset network settings: Sometimes conflicts with Bluetooth or Wi-Fi lead to a shutdown NFC.

Alternatives NFC, If the module is not in your model

If your Redmi Note 7 doesn’t support your NFC, Don’t despair – there are workarounds for basic tasks:

1. Contactless payments through QR-code

Many banks (Sberbank, Tinkoff, VTB) support payment for the QR-code through their applications:

• 💰 Sberbank Online: Open the application, select "Pay by" QR», point the camera at the terminal code.
• 📱 Tinkoff Pay: Similar - scan QR checkout.
• 🛒 Yandex Pay: Works in stores that support Yandex.Cash.

2. File transfer without NFC

Instead of Android Beam, use:

• 📶 Wi-Fi Direct: Fast file transfer between devices without internet (Settings) → Connected devices → Wi-Fi Direct).
• 🔗 Bluetooth 5.0: Redmi Note 7 supports high transfer speeds (up to 2 MB/s).
• ☁️ Cloud Services: Upload a file to Mi Cloud, Google Drive or Telegram and send a link.

3. Automation without NFC-marker

To start actions by location or time:

• 📍 Tasker: Create geolocation-related tasks (e.g., turn on Wi-Fi at home).
• ⏰ MacroDroid: Automation by time, network connection, etc.
• 🔊 Voice commands: Use Google Assistant or Alice to control your phone.

⚠️ If you are buying Redmi Note 7 specifically for the NFC, Check with the seller the version of the model. For example, the Redmi Note 7 Pro (Indian version) often goes without the help of the seller. NFC, while the global version (M1901F7G) supports.

FAQ: Frequent questions about NFC in Redmi Note 7