How to use it NFC Xiaomi Redmi 10: from customization to advanced features

Xiaomi Redmi 10 is one of the most popular budget smartphones with support NFC, But many owners are unaware of the full potential of this module, and while some only use it for contactless payments, others don't know how to turn on the feature or why it suddenly stopped working. NFC Redmi 10: from basic settings to hidden chips that are not written in the official instructions.

We will not only look at the standard features like Google Pay or contact sharing, but also the less obvious ones: automating tasks through the use of a mobile phone. NFC-tags, compatibility with smart Mi Home devices, and fault diagnosis. Particular attention will be paid to the unique feature of Redmi 10: the chip NFC It supports card mode (HCE), It allows you to emulate your bank cards without being tied to Google Wallet. NFC You only need to pay in the store – you miss 80% of its opportunities.

What is it? NFC Xiaomi Redmi 10 and why you need it

NFC (Near Field Communication – short-range contactless communication technology that works up to 10 cm in the Redmi 10 uses a chip NXP PN54T, supportive:

  • πŸ’³ Contactless payments (Google Pay, SberPay, Mir Pay)
  • πŸ“± Data transfer (contacts, links, files via Android Beam)
  • 🏠 Smart home (management of Mi Home devices and other IoT gadgets)
  • πŸ”– NFC-tags (automation of actions: Wi-Fi activation, navigator launch, etc.)
  • πŸš‡ Emulation of cards (travel, passes, discount cards)

The main difference between the Redmi 10 and the flagship Xiaomi models is the lack of support UWB (Ultra-broadband communication, but for most tasks, it is enough to NFC. For example, you can:

  • πŸ”„ Cloning a transport card (unless it is cryptographically protected)
  • πŸ“² Quickly connect to Bluetooth headphones or speakers (via a tag)
  • πŸ” Open smart locks or gateways (if they support you) NFC)

It is important to understand that NFC Redmi 10 only works when the screen is on (unlike some flagships, where the chip is always active), which is designed to save charge, but can cause inconvenience when paying, you have to unlock the phone first.

πŸ“Š What do you most often use for? NFC?
Payment for purchases
File transfer
Smart home.
NFC-marker
Not using.

How to enable and configure NFC on Xiaomi Redmi 10

By default. NFC Redmi 10 is off to save battery life, and it turns on in 3 steps:

  1. Open Settings β†’ Connection and Sharing β†’ NFC.
  2. Activate the NFC switch.
  3. Select mode of operation: Read only - to scan tags; Card (HCE) β€” card-emulation; P2P β€” exchange data with other devices.

If the NFC item is not on the menu, it means:

  • ❌ Your version of Redmi 10 doesn’t support you. NFC (Check the model in Settings β†’ The phone. β†’ The model should be 21061119DG or similar to the letter G at the end).
  • ❌ Installed custom firmware without drivers NFC.
  • ❌ The firmware region does not support NFC (For example, the Indian version of Redmi 10 often goes without a module).

β˜‘οΈ Verification of work NFC Redmi 10

Done: 0 / 5

After inclusion, it is recommended to check the performance of:

  1. Bring your phone to the bank terminal – an icon should appear. NFC.
  2. Try to read any one of them. NFC-tag (for example, on the back of a bank card).
  3. Open the Google Pay app and add a test card.

⚠️ Attention: If NFC It is enabled but does not work with payments, check the settings of Google Pay. In some banks (for example, Tinkoff) you need to additionally activate the contactless payment option in the mobile application of the bank.

Contactless payments through NFC: Google Pay, SberPay, Mir Pay

Principal application NFC β€” Redmi 10 supports all popular services:

ServiceSupported banksFeaturesDownload link
Google PaySberbank, Tinkoff, VTB, Alfa-Bank, etc.Works with Mastercard and Visa, requires you to unlock your screen when you pay.Download
SberPayOnly Sberbank.Supports Mir and Visa/Mastercard Sberbank, you can tie it to 10 map.Download
Mir PayAny banks with Mir cardsIt works only with Mir cards. Supports payment in transport (Moskva Transport).Download
Samsung PaySberbank, Tinkoff, OpeningUnofficially works for Xiaomi through circumvention of restrictions (root required).Download

To set up payment via Google Pay:

  1. Install the app and log in to your Google account.
  2. Click Add the card and scan it or enter the data manually.
  3. Confirm the binding via SMS or push notification from the bank.
  4. Choose. NFC as a default payment method in the application settings.

When paying:

  • Unlock the screen (PIN, fingerprint or Face ID).
  • Hold the top of the phone (where the antenna is located) NFC) terminally.
  • Wait for vibration and sound signal.

πŸ’‘

If the terminal doesn’t read the card, try removing the case – some models block the signal. NFC. Also check that the terminal has a green light (meaning it is ready to be received).

⚠️ Note: In the Moscow metro and some other cities, Redmi 10 may not work with the turnstile through Google Pay due to transport system restrictions.In this case, use the original map or the application "Moskva Transport" with a Mir card tied.

NFC Data Transfer: Android Beam and Alternatives

With help. NFC You can quickly share files, contacts, or links with other Android devices. Redmi 10 uses Android Beam technology (although officially removed in newer versions of Android, it can be enabled via developer mode).

Transmission algorithm:

  1. Turn on NFC on both devices.
  2. Open the file, contact, or web page you want to send.
  3. Combine the back panels of phones (antennae) NFC top-end).
  4. On the screen will appear a notification β€œTouch to pass” – confirm the action.

If Android Beam is not working:

  • πŸ”§ Enable the Developer Mode (Settings) β†’ The phone. β†’ Version. MIUI β€” press 7 times).
  • πŸ” Go to Settings. β†’ Additionally. β†’ For developers and activate Android Beam.
  • πŸ“± Make sure the second device is also on. NFC Android Beam.

Alternative ways to exchange data via NFC:

  • πŸ“Ž Send Anywhere app allows you to transfer files without the Internet.
  • πŸ”— NFC Tools – creates tags with encrypted data.
  • πŸ“‡ Google Contacts – Exports Business Cards to Format NFC.
Why Android Beam was removed from new versions of Android
Google has abandoned the technology in favor of faster alternatives (Wi-Fi Direct, Nearby Share), but the functionality remains in the system and can be activated via the Internet. ADB-Adb shell settings put global android_beam_enabled 1 But for this you need an unlocked bootloader and root rights.

NFC-Task automation on Xiaomi Redmi 10

One of the most useful functions NFC β€” Automating routines with tags, for example, you can:

  • πŸš— Start the navigator (Yandex.Maps or Google Maps) when you touch the tag in the car;
  • 🎡 Turn on Bluetooth and connect to the column with one touch;
  • 🏠 Activate the "Home" mode (Wi-Fi, screen brightness, disconnection of mobile data).

To work with labels will need:

  • πŸ›’ NFC-tags (you can buy on AliExpress or in electronics stores; recommended) NTAG213/215/216);
  • πŸ“± Annex for recording (NFC Tools or Trigger).

Instructions for setting up the tag to start the navigator:

  1. Open NFC Tools and select Write β†’ Add Record β†’ Launch the application.
  2. Specify the application package (e.g. com.google.android.apps.maps for Google Maps).
  3. Put your phone on the tag and wait for the recording.
  4. Place a tag in the car (for example, on the phone holder).

Examples of useful tags for Redmi 10:

PurposeAction.Application for setting
Quick Wi-Fi connectionAutomatic connection to the home networkNFC Tools
At work modeShutting down the sound, starting up. Telegram/SlackTrigger
Night mode.Turning on a dark theme, reducing brightnessAutomate
Playlist launchOpening Spotify/YouTube Music with your favorite playlistNFC Tools

⚠️ Attention: Tags NTAG213 have a small memory (144 bytes) – for complex tasks (for example, running multiple applications) NTAG216 (888 bytes. Also avoid metal surfaces when mounting tags - this degrades the signal.

πŸ’‘

NFC-The tags on Xiaomi Redmi 10 work even when the screen is off, if the phone is unlocked at least once after rebooting.

Smart home and NFC: Managing Mi Home devices

Xiaomi Redmi 10 integrates perfectly with the Mi Home ecosystem. NFC It's a key role here:

  • πŸ”Œ Manage sockets (turn on / off lights or household appliances);
  • 🌑️ Adjust the climate (change the temperature on the air conditioner or heater);
  • πŸšͺ Open the locks (e.g. Xiaomi Smart Door Lock).

To set up:

  1. Install the Mi Home app and add all the smart devices.
  2. Open your device settings (such as Mi Smart Plug sockets) and find the partition NFC-automation.
  3. Attach the action to a tag or directly to the phone (e.g., "When touching" NFC plug in").

Example of automation for a smart home:

  • πŸ›‹οΈ Tag on bedside table: Turns off all lights; Turns on nightlight by 10%; Activates Do Not Disturb mode".
  • πŸšͺ Labels at the front door: Turns off all sockets; turns on alarms; sends a "I left" notification to the family chat.

For advanced scenarios, use Yandex Alice or Google Assistant in conjunction with the NFC. For example, you can set a label that:

  1. Launches the voice assistant;
  2. Says a command (for example, β€œAlice, turn on the movie mode”);
  3. Performs a chain of actions (muffles the light, turns on the TV, launches the player).

πŸ’‘

If you have several smart devices from different manufacturers (for example, Xiaomi) + Philips Hue, use Home Assistant to combine them. NFC-tags can be linked to scenarios in this appendix.

Diagnosing problems: why NFC It doesn't work for Redmi 10.

If NFC Stopped working or not turned on, check the following points:

Problem.Possible causeDecision
NFC is not included in the settingsThere is no driver or inappropriate firmwareUpdate. MIUI until the latest version or EU-rum (if the phone is global version)
No markings are readable.Weak signal or interferenceRemove the case, check the antenna (it's at the top of the phone)
Payment's not working.Conflict with the banking applicationReinstall Google Pay, check your bank settings
NFC shuts down on its ownBattery savingsAdd in. NFC Excluding optimization (Settings) β†’ Battery β†’ Optimizing the battery)
Can't see other devices (Android Beam)There is no support in the firmwareEnable Developer Mode and Manually Activate Android Beam

If nothing helps, reset your network settings:

  1. Go to Settings β†’ System β†’ Resetting of settings β†’ Resetting of network settings.
  2. Confirm the action (this won’t delete your data, but will reset all network settings).
  3. Restart your phone and check the NFC.

For a deep diagnosis, use a test mode NFC:

  1. Enter the phone app code ##4636##.
  2. Select Phone Information β†’ NFC.
  3. Check the status of the module (should be Enabled).

⚠️ If you have a phone drop after a phone drop NFC The antenna may have stopped working, it may have moved away (it's soldered to the motherboard), in which case only the service center will help.

FAQ: Answers to Frequent Questions About NFC Xiaomi Redmi 10

Can I clone a transport card (Troika, Arrow) on Redmi 10?
Technically yes, but with reservations: πŸš‡ Maps with cloning protection (for example, the new Troika from 2021) will not be copied. πŸ“± For the rest, you will need the Mifare Classic Tool app and clean UID (unique identifier). ⚠️ The use of cloned cards on public transport is prohibited and can result in the original being blocked, with the legal alternative being to link the card to Google Pay or the Moscow Transport app".
Why does NFC drain the battery so quickly?
Normal. NFC consumes 5-10 If the discharge goes faster, I'll be fine: πŸ”‹ Check if there is an app that constantly scans tags (for example) in the background, NFC Tools in monitoring mode). πŸ” Go to Settings. β†’ Battery β†’ Battery use and see what process consumes energy. ⚑ Turn it off. NFC, When not needed (for example, at night).
Can you use Redmi 10 as a key to your car? NFC?
Depends on the model of the car: πŸš— Tesla, BMW, Mercedes supports Digital Key, but only on phones with a UWB (Redmi 10 doesn't have it). πŸ”‘ Chinese vehicles (e.g., Chinese cars, BYD, Geely - sometimes working with NFC via proprietary applications. πŸ”§ The universal solution is to install in the car NFC-e-reader (e.g. BroadLink) RM4 Pro) and tie it to a tag on the phone.
How to transfer data from NFC-tags on another phone?
Use the app. NFC Tools: Scan the tag on Redmi 10 and save the data to a file. Transfer the file to a second phone (via cloud or cable). Open the file to the file. NFC Tools on a new device and write it to a new tag. If the tag is password protected, it will also need to be entered on the new phone.
Does it work? NFC Redmi 10 after battery replacement?
Replacing the battery does not affect NFC, Because the antenna is located at the top of the phone and is not connected to the battery: ⚠️ If after the repair NFC not working, most likely, the master damaged the antenna plume (it goes along the side frame). πŸ”§ Check if the antenna connector has moved away from the motherboard (disassembly is required).