How to check NFC in a Xiaomi phone: 5 ways from diagnostics to practical test

NFC (Near Field Communication) has become an integral part of modern smartphones, especially for owners of Xiaomi devices, which can quickly pay for purchases, share files or connect accessories — from wireless headphones to smart locks. But how do you know if NFC works on your phone if you have never used this feature? Or how do you check if the module is damaged after the device falls?

In this article, we will discuss all possible diagnostic methods. NFC — From basic verification through settings to testing with other devices and special applications, you will learn which Xiaomi models support the technology, how to turn on the module if it is disabled, and what to do if the phone can not see. NFC-And we're also going to reveal the hidden function. MIUI, which allows you to test the hardware NFC without additional programs.

1. NFC Support Check: Is there a module in your Xiaomi model

Before you try to turn on or test NFC, make sure your Xiaomi smartphone is equipped with this module at all. Not all devices, even flagship ones, support the technology - especially for the budget Redmi lines or older models.

Here’s how to determine if you have NFC:

• 📱 Xiaomi official website: find your model in the catalog and check the specifications in the section "Wireless networks". NFC: Yes.
• 🛒 Device box: The sticker on the back of the package often indicates key features, including: NFC (It may be marked with an icon. 📶 Or the words Near Field Communication).
• 🔍 Specifications on the Internet: use services like GSMArena or 4PDA, This is a detailed description of each model, for example, the Xiaomi 13 Pro supports the NFC, Redmi. 9A — no.

If your model is not equipped with NFC, further testing is pointless. But if you have a module, move on to the next step: activate the function.

2. How to enable NFC on Xiaomi through MIUI settings

Even if you have one, it can be turned off by default to save battery life, and you can turn on NFC on Xiaomi smartphones in two ways: through the notification panel or the settings menu. Let's consider both.

Method 1: Quickly turn on through the curtain

1. Swipe your finger down to open the notification panel.
2. Find the icon. NFC (It is usually stylized as two waves or letters "NFC"). If it's not there, press the pencil (✏️) edit the panels and add them to the active ones.
3. Touch the icon – if it lights up, the module is on.

Method 2: Through system settings

1. Open the Settings app.
2. Go to Connect and Sharing (or Wireless Networks in older versions of MIUI).
3. Select NFC.
4. Activate the switch at the top of the screen.

After the module is turned on, it is also recommended to activate the Android Beam option (if it is in your version of MIUI) - this will allow you to share data with other devices.

3. NFC diagnosis via hidden MIUI (Engineer Mode) menu

If you've turned on NFC, but it doesn't work, you can check the hardware through the engineering menu, which is suitable for power users, because it requires you to enter service codes.

Instructions:

1. Open the Phone app and type the combination: ##4636## Some models may require code: ##36446337###
2. In the menu, select RF Test or Hardware Testing.
3. Find the NFC Test (also known as Near Field Communication)
4. Press Start Test – the system will check the operability of the module and display the status (PASS or FAIL).

If the test is completed with an error (FAIL), this may indicate:

• 🔧 Hardware malfunction of the module NFC.
• 📱 Software failure (solved by resetting settings or flashing).
• 🔋 Problems with the antenna (often after falling or getting moisture).

4. NFC Practical Test: Payment, Data Transfer, Labels

The most reliable way to test NFC is to test it in real-world scenarios, and here are three working methods:

Method 1: Contactless payment

• 💳 Add a bank card to Google Pay or Mi Pay (the app must be pre-installed).
• 🛒 Bring your phone to the terminal in the store (distance not more than 5 cm).
• ✅ If the payment is past — NFC working properly.

Method 2: Sharing data with another phone

• 📱 Make sure that NFC enabled on both devices.
• 📎 Select a file (photo, contact) and tap the back of the phones to each other.
• 🔄 Notification of the beginning of the transfer should appear.

Method 3: Reading NFC-marker

• 🏷️ Buy or make a homemade one. NFC-tag (you can order on AliExpress for 50-100 rubles).
• 📲 Hold the phone to the tag - a notification should appear or a link should open (if the tag is programmed).

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If NFC doesn’t work when paying, try to disable the case – some materials (metal, magnets) block the signal.

5. Verifying NFC with Third-Party Apps

If standard methods fail, you can use specialized utilities that not only test the module, but also provide additional information, such as signal strength or supported protocols.

Top.-3 diagnostics NFC:

• 🔍 NFC Tools (free, Google Play): allows you to read and write tags, test communication with other devices.
• 📊 NFC Check: Checks hardware support and displays detailed logs (including errors).
• 🛠️ Trigger: Tests automatic execution of actions when triggered NFC (For example, start Wi-Fi when touching a tag).

How to use NFC Tools:

1. Download and install the app.
2. Open it and press Read (if there is a label) or Write (to create a test tag).
3. Put the phone to the other one. NFC-marker.
4. If the data is read, the module is correct. If not, the application will show an error (for example, No NFC tag detected).

Please note: some applications require permission to access NFC. If the request does not appear, check the permission settings in Settings → Applications → NFC Tools → Permissions.

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Third-party applications often detect problems that are not visible in standard MIUI settings, such as weak signal or conflict with other modules (Wi-Fi, Bluetooth).

6. Frequent NFC issues on Xiaomi and their solutions

Even if the module is functional, Xiaomi users often encounter common errors, and here are the most common ones and ways to fix them:

• 🔄 NFC It spontaneously shuts down: check the battery saving settings. MIUI default NFC It can be turned off when you lock the screen. Solution: go to Settings. → Battery and productivity → Saving charge → Settings and add NFC excepted.
• 💳 Payment is not working: make sure you use Google Pay or Mi Pay (not all banks support both platforms). Also check if your region is blocked - some Xiaomi models restrict the use of the same. NFC-functions in certain countries.
• 📵 Phone doesn’t see a tag: try restarting your device or updating it MIUI. If the problem persists, the antenna may be damaged (often after falling).
• 🔋 NFC It drains the battery, which is normal if the module is in active use. NFC, when he's not needed.

⚠️ Note: If after the update MIUI NFC stopped working, try resetting the network settings. → System system → Resetting settings → Network resets. It won't delete your data, but it will return network settings to factory settings.

If none of the methods worked, there may be a hardware problem, in which case it is recommended to contact the Xiaomi service center – especially if the phone is warranty.

7 How to test NFC on Xiaomi without a second device

What to do if you don’t have another phone on hand or NFC-There are two ways to test a module alone:

Method 1: Use a bank card

• 💳 Take any bank card with contactless payment support (it should have an icon on it). 📶).
• 📱 Turn it on. NFC on the phone and hold the card to the back panel (where the antenna is located).
• ✅ If the phone is sounding or vibrating, the module is running.

Method 2: Create a virtual tag

• 📲 Install the app NFC Tools.
• 🖥️ In the menu, select Write. → Add a Record → Text and enter any text (e.g. "test").
• 📱 Press Write and hold your phone to the back of another device (or to the metal surface).
• 🔄 If the recording is successful — NFC well-functioning.

⚠️ Note: Not all bank cards are suitable for the test - some use outdated protocols that are not recognized by smartphones. If the card does not work, try another one (for example, Tinkoff or Sberbank with PayPass support).

FAQ: Answers to Frequent NFC Questions in Xiaomi