NFC in Xiaomi Redmi 10: a complete guide to using technology

Xiaomi Redmi 10 is one of the most popular budget smartphones, which, despite the affordable price, is equipped with modern technologies.NFC (Near Field Communication), a feature that often goes unnoticed, but opens up a lot of possibilities from contactless payments to managing smart devices. However, many users still do not understand why the NFC in Redmi 10 works unstable with some bank cards or how to set it up correctly for maximum efficiency.

In this article, we will go into detail about what NFC is in Xiaomi Redmi 10, how to activate it, what use cases are available, and why the module may sometimes fail. You will also learn about hidden MIUI chips that allow you to extend the functionality of NFC beyond standard payments. If you have not used this technology before, after reading this, you will have at least 3 reasons to start!

What is NFC and why is it needed in Xiaomi Redmi 10?

NFC (Near Field Communication) is a short-range wireless technology (up to 10 cm) that allows you to exchange data between devices or read information from tags. Redmi 10 uses the NXP PN80T chip, which supports all major NFC standards, including:

  • πŸ’³ Emulation of cards (for contactless payments via Google Pay, Mi Pay, etc.)
  • πŸ“± Reader/Write mode (for interaction with the NFC-tags and other devices)
  • πŸ”„ P2P-Sharing (transferring files between smartphones, for example, via Android Beam)

Main advantage NFC Redmi 10 is energy efficiency, and the module consumes a minimum amount of battery power, because it only activates when it approaches another. NFC-For example, to pay for a purchase, you just need to hold the phone to the terminal for 1-2 seconds - no additional actions are required.

However, not everyone knows that the NFC in the Xiaomi Redmi 10 can be used for more than just payments.

  • πŸ”‘ Smart home: opening doors with NFC-tags instead of keys or key fobs.
  • πŸš— Automotive systems: start the engine (if the machine supports) NFC-immobilizer).
  • 🎫 Electronic tickets: storage of tickets, tickets to the cinema or concerts.
  • πŸ“¦ Automation of tasks: running scenarios through NFC-Tags (for example, turning on Wi-Fi when you return home).
πŸ“Š How you use it NFC on his smartphone?
Only for payments
For smart home/automation
File transfer
Not using.
Other

Technical characteristics of NFC in Xiaomi Redmi 10

The NFC module in Redmi 10 has the following key parameters:

CharacteristicsMeaning
NFC chipNXP PN80T
Supported standardsISO 14443 A/B, ISO 15693, FeliCa (partially)
Maximum transmission speedup to 424 kbps
Radio of actionup to 10 cm (optimally - 2-4 cm)
HCE (Host Card Emulation)Yes (for virtual maps)

Feature of the chip NXP PN80T It is compatible with most banking terminals in Russia and CIS countries, but may conflict with some older models. POS-terminals (e.g., Ingenico or Verifone production before 2019) If payment fails, try bringing your phone to another part of the terminal or restart it. NFC-module through settings.

It’s important to consider that Redmi 10 doesn’t support UWB (Ultra-Wideband), which is used in new iPhone and Samsung Galaxy models to pinpoint the location of devices, but for most everyday tasks, NFC capabilities are more than enough.

πŸ’‘

If the NFC in Redmi 10 stopped working after the MIUI update, try resetting the module: go to Settings β†’ Connections & Sharing β†’ NFC and select Reset Default Settings.

How to enable and configure NFC on Xiaomi Redmi 10

By default, the NFC in Redmi 10 is turned off to save battery life. To activate it, follow the following steps:

  1. Open Settings (the gear icon on the main screen).
  2. Go to the Connections and Sharing section.
  3. Select NFC.
  4. Activate the NFC switch.
  5. For contactless payments, enable the option of Bank cards (or Mi Pay if you use Xiaomi service).

After switching on, it is recommended to configure the NFC mode:

  • πŸ”„ Automatic – the module is activated only when the screen is unlocked (saves charge).
  • πŸ”“ Always on β€” NFC It works even on a locked screen (necessary for payments without unlocking).

Enable NFC in settings|

Add a bank card to Google Pay/Mi Pay|

Check the compatibility of the terminal (PayPass/PayWave logo) |

Update MIUI Up to the latest version (fixes bugs) NFC)-->

If the NFC does not detect bank cards or tags after activation, check:

  • πŸ“± Version MIUI: in old firmware (below) MIUI 12.5) were bugs with NFC.
  • πŸ›‘οΈ Security settings: some antivirus applications are blocked NFC.
  • πŸ”‹ Battery charge: at a level below 5% NFC can be automatically switched off.

πŸ’‘

NFC in Redmi 10 works more stable if the developer settings disable the option "Debug over USB". This is due to driver conflict when connecting to a PC.

How to Use NFC for Contactless Payments

The main application of NFC in Redmi 10 is to pay for purchases via smartphone.

  1. Install the Google Pay app (or Mi Pay if supported by your bank).
  2. Add a bank card to the application (confirmation via SMS or push notification is required).
  3. Set up the default payment (in Settings β†’ NFC β†’ Bank cards).
  4. When paying, bring the unlocked phone to the terminal (you do not need to open the application).

Important nuances:

  • πŸ’³ Supported banks: Sberbank, Tinkoff, VTB, Alfa-Bank and most other Russian banks.
  • πŸ”’ Security: Each transaction is confirmed by a unique token, the real card number is not transmitted.
  • πŸ“΅ Offline payments: Up to 5 consecutive payments can be made without the Internet (the limit is set by the bank).
Why does the terminal need to be used? PIN-phone-code?
If the purchase exceeds the contactless payment limit (usually 1000-3000) β‚½), terminal will require PIN-It's a bank requirement, not a phone requirement.

If the payment fails:

⚠️ Attention: Redmi 10 with firmware MIUI 13+ Sometimes there is a bug that causes NFC"Solution: Turn it off and turn it back on. NFC or reboot the phone.

Additional NFC Features: From Labels to Automation

In addition to payments, NFC in Redmi 10 can be used to:

1.Reading and writing NFC-marker

With apps like NFC Tools or Trigger, you can:

  • πŸ“‹ Read information from labels (for example, in museums or on products).
  • ✏️ Write data to empty labels (links, text, contacts).
  • πŸ”„ Automate tasks: for example, a desktop tag may include Do Not Disturb mode and run Spotify.

2. Transfer of files between devices

Although Android Beam has been officially removed from new versions of Android, Redmi 10 allows you to transfer files over NFC using third-party applications:

  1. Install Send Anywhere or Files by Google.
  2. Select the file and click "Send via NFC".
  3. Bring the phones to each other (screens must be unlocked).

3. Managing smart devices

NFC-tags can be used for:

  • πŸ”¦ Lights on (compatible with Xiaomi Mi Home, Yeelight).
  • πŸšͺ Opening locks (such as Nuki or Aqara).
  • 🎡 Multimedia startups (e.g., a tag in the machine turns on Google Maps and connects Bluetooth).

To set up automation, it is recommended to use the Automate or Tasker application (developer rights are required).

πŸ’‘

If you often lose your keys, write down the keys. NFC-You can tag the door with a command to open the door through Mi Home, stick the tag on the back of the case, and now the phone will be your universal key!

Why NFC on Xiaomi Redmi 10 won’t work

If the NFC in your Redmi 10 is not working, the reasons may be:

Problem.Reason.Decision
NFC is not includedFirmware failure or application conflictReset your NFC settings or update your MIUI
Payments don't passIncompatibility with terminal or bank cardTry another terminal or map.
The phone doesn't read tags.Weak signal or damaged labelBring the phone closer or replace the tag
NFC is spontaneously shut downSaving the battery in the mode "Ultra-saving"Turn off NFC optimization in battery settings

One of the most common bugs is the conflict with magnetic cases. If you use a magnet case (for example, to attach to the holder in the car), it can shield the NFC signal. Solution: remove the case before payment or use cases without metal inserts.

⚠️ Attention: After updating to MIUI 14 Some users are facing an error"NFC-Service stopped. This is due to a change in Xiaomi's security policy. To fix, go to Settings. β†’ Annexes β†’ Application management β†’ NFC and clean the cache.

Hidden NFC chips in MIUI for Xiaomi Redmi 10

MIUI offers a few hidden NFC features that few people know about:

  1. Quickly enable NFC through the notification bar: Add the NFC shortcut to the notification curtain: swipe down the screen β†’ click Edit β†’ find NFC and drag it to the active area.
  2. Use of the NFC to unlock devices: In some firmwares, you can configure unlocking your phone using NFC-tags (e.g., touching the back with a tag). β†’ Lock screen β†’ Additional settings β†’ NFC-unlock.
  3. Hidden Developer Mode for NFC: Activate Settings β†’ About Phone β†’ MIUI Version (click 7 times), then in Settings β†’ Additional β†’ For developers, find options to test NFC (such as emulating cards without root).

Another useful feature is automatic activation. NFC When the camera starts, it's convenient for scanning. QR-code NFC-tags (e.g. in museums or exhibitions) to activate:

  1. Open Settings β†’ Special Opportunities β†’ Quick settings.
  2. Find the option of automatic actions.
  3. Add the rule: "If the camera starts β†’ Turn on NFC".

FAQ: Frequent questions about NFC Xiaomi Redmi 10

Can I use NFC to pay without the internet?
Yes, Google Pay and Mi Pay support offline payments (typically up to 5 transactions in a row), but for the first card peg and periodic synchronization, you need the Internet.
Why is the NFC in Redmi 10 slower than the iPhone?
This is due to the hardware limitations of the NXP PN80T chip, which is inferior in processing speed to Apple’s T2 chip.
Can I reschedule? NFC-tags from one phone to another?
Yes, if the tags are written in a universal format (e.g. NDEF). Use the NFC Tools app to export/import data.
Is it safe to keep your bank cards on your phone?
Yes, tokenization (replacing a card number with a unique code) makes payments via NFC safer than physical cards, and even if the phone is stolen, fraudsters will not be able to use the card without unlocking it.
How do I check if NFC is working on my Redmi 10?
Install the app NFC Check from Google Play, which will show you the status of the module and the protocols you support, and you can try reading any of them. NFC-tag (for example, on the back of a bank card).