Did you just buy a Xiaomi Redmi Note 10S and notice the mysterious acronym NFC in the specs? Or have you been using a smartphone for a long time, but you still don't understand why you need this chip? In 2026, NFC technology has become an integral part of modern gadgets, but many owners of the Redmi Note 10S still do not use its capabilities to the fullest.
This article will not just explain what it means. NFC It's going to show you how to pay for your purchases without cash, connect smart devices in seconds, and even share data with other smartphones. NFC Redmi Note 10S, And we'll compare it to the other models, and we'll give you a checklist for quick customization, and we'll also reveal a unique feature of this model: why it's so unique. NFC-The chip is more stable than competitors in the same price segment.
What is NFC in a smartphone in simple words
NFC (Near Field Communication is a short-range wireless communication technology (up to 10 cm) that allows devices to exchange data almost instantly. 10S This chip is built into the top of the case and activated when you bring the phone to another. NFC-marker.
The main difference between NFC and Bluetooth or Wi-Fi is that it uses minimal power and doesn't need to pair, so just hold your smartphone to a terminal or other gadget and you'll get the connection automatically, which makes it ideal for:
- 💳 Contactless payments (Apple Pay, Google Pay, Mi Pay)
- 🔑 Identifications (electronic passes, door keys)
- 📱 Fast data transfer (photos, contacts, links)
- 🏠 Control of a smart home (connection of sensors, lamps, locks)
At Redmi Note. 10S used NFC-chip NXP PN80T — The same as the flagship models of Xiaomi, which guarantees high response speed and compatibility with most standards (ISO 14443, ISO The main advantage is that the chip supports the map emulation mode (HCE), This allows you to use your phone instead of a bank card even without the Internet.
Where is NFC in Xiaomi Redmi Note 10S and how to turn it on
At Redmi Note. 10S NFC-The antenna is located at the top of the back, next to the main camera, so to make the module work properly, do not cover this area with cases with metal inserts or magnets, they can shield the signal.
To activate NFC, follow the following steps:
- Open Settings → Connection and Sharing
- Slip to NFC point
- Move the slider to the position VL.
- In the Default Payment section, select your preferred service (Google Pay, Mi Pay or banking app)
☑️ Preparation NFC work
⚠️ Attention: If, after activation, NFC The phone doesn't recognize tags or terminals, so try calibrating the antenna. → The phone. → Version. MIUI and tap the kernel 5 times. In the engineering menu, select Hardware Testing. → NFC Test and follow the instructions.
NFC Features in Redmi Note 10S: From Payments to Smart Home
The NFC in the Redmi Note 10S supports all standard use cases, but there are also unique chips associated with MIUI firmware.
| Function | How it works | Requirements |
|---|---|---|
| Contactless payments | Payment in stores, transport, online services via Google Pay or Mi Pay. Visa, Mastercard, Mir cards are supported. | Linked bank card, NFC enabled, unlocked screen |
| Data Transfer (Android Beam) | Fast sending files, contacts, links to another smartphone with NFC, speeds up to 424 Kbps. | NFC on both devices, MIUI 12+ |
| Reading NFC-marker | Scanner for tags in NDEF format (links, Wi-Fi passwords, commands for a smart home). | NFC Tools or Trigger App |
| Smart home management | Connect and configure Xiaomi devices (light bulbs, sensors, locks) through Mi Home. | NFC-enabled devices (e.g., Xiaomi Door Lock E10) |
| Emulation of maps | Using a phone instead of a pass, discount card or door key. | Mi Smart Card or similar to the card manufacturer |
⚠️ Attention: Redmi Note 10S There's a limit to emulating multiple cards at once, and if you add an office pass and a bank card, when you pay, the terminal can read the wrong chip. NFC Turn off the option Automatic card selection and choose the one you need manually before each transaction.
💡
If NFC suddenly stopped working, try resetting the network settings: Settings → System → Settings Reset → Network reset. This often helps with software chip failures.
Comparison of NFC in Redmi Note 10S with other Xiaomi smartphones
Not all Xiaomi models are equipped with NFC, and those that have it may differ in functionality. Let’s compare the Redmi Note 10S with other popular devices of the brand:
- 📱 Redmi Note 10 Pro: NFC same (NXP PN80T), but added support UWB For accurate positioning, tag reading speed is 15 percent faster.
- 📱 Poco X3 Pro: NFC It is available but uses a Broadcom chip. BCM20797 — Less energy efficient. no Mi Pay support.
- 📱 Mi 11 Lite: NFC identical to the Redmi Note 10S, but added function NFC-triggers for automation (for example, turning on Wi-Fi when touching a tag).
- 📱 Redmi 9A/9C: NFC No – these models are positioned as budget without claims to “smart” functions.
The advantages of NFC in the Redmi Note 10S:
- ✅ Stable work with bank cards (no errors "Unidentified card", like Poco) M3 Pro).
- ✅ Support for Mi Pay – Xiaomi’s branded payment service with cashback up to 5%.
- ✅ Low energy consumption: with active NFC The battery level is increased by just one 2-3% hourly.
⚠️ Note: If you are planning to use NFC For payment abroad, please note that Redmi Note 10S It does not support FeliCa (a popular standard in Japan). For trips to Asia, it is better to choose a model with global firmware, for example, Xiaomi. 12T.
How to set up contactless payments via NFC on Redmi Note 10S
Paying by phone instead of card is the most popular feature of NFC. In the Redmi Note 10S, this works through Google Pay or Mi Pay.
Setting up Google Pay
- Download the Google Pay app from the Play Market.
- Open it and press Start → Add a map.
- Scan your bank card or enter the data manually.
- Confirm the addition via SMS or push notification from the bank.
- In the NFC settings (Settings → Connection & Sharing → NFC), select Google Pay as the default payment.
Setup Mi Pay
Xiaomi Firm service is available only for Chinese firmware, but it can be activated through workarounds:
How to enable Mi Pay on global firmware
To pay, bring the unlocked Redmi Note 10S to the terminal at a distance of 2-3 cm. A successful transaction is accompanied by vibration and an audible signal.
- 🔄 Reboot the phone.
- 📶 Check your internet connection (required for the first transaction).
- 💳 Make sure the card is added to your wallet and not blocked by the bank.
💡
At Redmi Note. 10S Supported payments up to 1,000₽ plug-in PIN-The amount above will require unlocking the screen.
NFC Issues in Redmi Note 10S and How to Solve Them
Even Xiaomi’s reliable smartphones sometimes fail with NFC, and here are the most common problems and solutions:
| Problem. | Possible cause | Decision |
|---|---|---|
| NFC is not included | Software failure, outdated firmware | Update MIUI to the latest version or reset your network settings |
| Terminal doesn't see the phone | Metal cover, weak antenna signal | Remove the case, bring the phone closer to the terminal (1-2 cm) |
| Unidentified map error | Conflict between several added cards | In NFC settings, turn off Automatic Card Selection |
| NFC shuts down on its own | Battery optimization kills the process | Add the wallet app to exceptions (Settings → Battery → Battery Optimization) |
If none of these methods helped, check the efficiency. NFC-chips through the engineering menu:
- Enter the dialer code: ##4636##
- Select Phone Information → Equipment Tests
- Slip on the NFC Test and follow the instructions on the screen.
⚠️ Warning: If the test shows an error NFC IC Error, that means hardware malfunction of the chip, in which case only repairs at the service center will help. NFC-module in the Redmi Note 10S — 1500-2000₽.
Hidden NFC features in Redmi Note 10S: life hacks for advanced users
Few people know, but the NFC in the Redmi Note 10S can be used for more than just payments.
- 🔑 Cloning keys and passes: Using the application NFC Tools can be copied from most of the data RFID-Important: Not all cards support copying, depending on the type of encryption.
- 🎵 Music management NFC-Labels: Put a tag on a table or on a machine, program it to run a playlist on Spotify or YouTube Music. Just attach the phone and the music will turn on automatically.
- 📡 Automatic Wi-Fi Connection: Write down NFC-tag (SSID Guests can connect to your Wi-Fi by simply attaching their smartphone to a tag.
- 🚗 Starting your navigator in the car: Set a mark to open Google Maps with a route to work. Put your phone to the holder in the car and the navigator will start itself.
To implement these scenarios, you will need:
- 📌 NFC-tags (you can buy on AliExpress or in electronics stores, the price is from 50)₽ 10 pcs.).
- 📱 Application for programming (Trigger, NFC Tools or Automate).
- 🔧 A little patience for setting up triggers.
💡
If you use it often NFC-With tags, create a widget to quickly access the chip. To do this, hold your finger on the home screen. → Widgets → NFC and drag the icon to the desktop.