NFC in Xiaomi Watches: A Complete Guide to Features and Setup

You just bought a Xiaomi smartwatch with support NFC, But you don't really understand why you need it, or maybe you're choosing a model and you want to figure out if you should pay too much for it, and in this article, we'll go into detail about what it is. NFC Xiaomi watches, how it works, what tasks it solves and what pitfalls it hides.

Technology NFC (Near Field Communication is no longer exotic — it's integrated into smartphones, bank cards, even transport tickets — but in smartwatches, its capabilities are often left untapped simply because users don't know about them. NFC You can pay without your phone, unlock doors, operate smart appliances, and even transfer files -- all right from your wrist.

What is it? NFC How it works in Xiaomi watches

NFC (Near Field Communication is a short-range wireless communication technology (up to 10 cm) that allows devices to quickly exchange data, NFC It does not require pairing and works almost instantly - it is enough to simply bring the clock to the reader.

In the Xiaomi watch module NFC It's usually built into the back cover of the case, and it's activated when you approach the terminal, and it consumes minimal energy, so it doesn't affect the autonomy of the device:

• 💳 EMV — Standard for contactless payments (Visa, Mastercard, UnionPay).
• 🚇 MIFARE — used in transport cards (for example, "Troika" in Moscow).
• 🔑 ISO 14443 - Protocol for identification (keys, omissions).
• 📱 NFC Forum – for data exchange between devices (Android Beam).

It is important to understand that NFC Xiaomi watches are not universal. Functionality depends on the model, region of sale and firmware. For example, in China, watches often support transport cards, and in European versions this feature can be disabled.

What Xiaomi Watches Support NFC

Not all Xiaomi smartwatches are equipped with a module NFC. This feature is commonly found in flagship and mid-budget models. Here is the current list of devices with support for the technology (2026):

Please note that even if the model supports NFC, For example, Xiaomi Watch 2 Pro in the Chinese version works with Alipay and transport cards, and in the European version – only with Google Pay.

⚠️ Note: Before buying, check if a particular version of the watch supports the watch. NFC Often Chinese models are sold without localization of payment services.

Main functions NFC Xiaomi-watch

Let’s see what exactly can be done with the help of NFC The functionality can be divided into three categories: payments, identification and device management.

1. Contactless payments

The most popular application NFC — Paying for purchases without a phone. Xiaomi watches do it through:

• 💳 Google Pay – in global versions (requires bank card binding).
• 💰 Mi Pay – in Chinese models (works with UnionPay).
• 🍎 Apple Pay – in some Amazfit models, for example, GTR 4).

To pay for the purchase, it is enough:

1. Unlock the clock (usually by pressing a button twice).
2. Bring them to the terminal at a distance of 2-3 cm.
3. Wait for a sound signal or vibration.

Add a map to Google Pay/Mi Pay|Make sure the watch is connected to the internet|Turn on NFC clock-setting|Check the balance on the map-->

Transport maps

In some regions (mainly China), Xiaomi watches can be used instead of a ticket.

• 🚇 Beijing Transportation Card (Beijing).
• 🚌 Shanghai Public Transportation Card (Shanghai).
• 🚆 Suica/Pasmo (Japan, in separate models).

In Russia and Europe, this feature is not yet officially supported, but there are workarounds (for example, through applications like Metro). NFC Android).

3.Managing a smart home

If you have Xiaomi Mi Home devices (lamps, sockets, locks), watches with NFC They can be a universal remote:

• 🔦 Turn on/off the light by touching the NFC-marker.
• 🔒 Unlock the Xiaomi Smart Door Lock.
• 🎵 Run scenarios (e.g., “Evening Mode»).

This requires:

1. Set up automation in the Mi Home app.
2. Link the watch to your Xiaomi account.
3. Bring the clock to NFC-marker.

4. Data transmission

A lesser-known but useful feature is sharing contacts, links, or small files between devices.

• 📇 Send a business card to another smartphone.
• 🔗 Share a link to the site.
• 📁 Transmit a photo (size limit – usually up to 1 MB).

Both devices must support Android Beam (in new versions of Android, this feature is replaced by Nearby Share, but the new version of Android will be able to support the same. NFC It is still used to initialize the communication).

💡

If the clock doesn't recognize NFC-If you want to tag it, try rebooting your device or updating your firmware, sometimes resetting your module through a companion app helps.

How to set up NFC Xiaomi-watch

The setup process depends on the watch model, but the overall scheme looks like this:

Activation NFC customized

Usually the module is turned on by default, but you can check this as follows:

1. Open the settings menu on the clock (swipe down or click on the gear icon).
2. Find the Wireless Networks section → NFC or connections → Contactless payments.
3. Activate the NFC switch.

In some models (for example, Xiaomi Watch) S3) need to be:

• 📱 Install Mi Fitness or Zepp on your phone.
• 🔗 Synchronize your watch with your Xiaomi account.
• 💳 Add a bank card to the payment service.

2. Addition of a bank card

For contactless payments:

1. Open the Google Pay app (for global versions) or Mi Pay app (for Chinese versions).
2. Click Add the card and scan it or enter the data manually.
3. Confirm the addition via SMS or banking application.
4. Select the watch as the payment device (in the card settings).

Importantly, not all banks support card binding to smartwatches, so check with your bank or its website before setting up.

Set up transport maps (for supported regions)

If your watch is compatible with transport cards:

1. Open the Mi Fitness or Mi Home app.
2. Go to the Transportation section → Addition of the map.
3. Choose the type of card (e.g. Beijing Transportation Card).
4. Follow the instructions to replenish the balance.

⚠️ In Russia, the official support of transport cards through the NFC Some users use informal methods (for example, emulation of cards through the use of a Xiaomi watch). NFC Tools, but it may violate the rules of transport systems.

4.Taking to a smart home

To manage Mi Home devices:

1. Make sure that your watch and smart devices are connected to the same Xiaomi account.
2. Open the Mi Home app on your phone.
3. Go to Profile. → Settings → Smart scripts.
4. Create a new script with a trigger NFC-marker.
5. Tie the watch as a control device.

Now, when you bring the clock to NFC-A label (such as a sticker on a door) will trigger a predetermined action.

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NFC Xiaomi only works when the screen is unlocked.If the clock is locked, payments and other features will not be available.

Limitations and challenges NFC Xiaomi-watch

Despite the convenience, the technology NFC Smartwatches have a number of limitations that you should know in advance.

Regional restrictions

The most common problem is the lack of support for payment systems in some countries.

• 🇨🇳 China’s Watches Work with Alipay and UnionPay, but Don’t Support Google Pay.
• 🇪🇺 Google Pay is available in Europe, but there are no transport cards.
• 🇷🇺 Neither payments nor transportation officially work in Russia (although some users find workarounds).

This is due to licensing agreements and local standards, and before you buy, check what services are available in your area.

2. Limited compatibility with banks

Even if Google Pay or Mi Pay are supported, not all banks allow cards to be linked to smartwatches.

• 🏦 Refusal to add a card due to bank policy.
• 💳 Limitation on the amount of payment (for example, up to 1000 rubles without PIN-code).
• 🔄 Need to re-authorize after firmware update.

We recommend checking the list of supported banks on the Google Pay or Mi Pay website in advance.

3. Problems with autonomy

Thought NFC It's low energy, and the constant use of payments can reduce the time it takes to run hours:

• 🔋 Additional activity of the module.
• 📶 Need to sync with phone (for some functions).
• 🔄 Background processes of payment applications.

If you notice that the watch is discharged faster, try to turn off. NFC, when he's not needed.

4. Security.

NFC It is considered a safe technology, but there are nuances:

• 🔐 Payments are protected by tokenization (the real card number is not transferred), but if you lose hours, they can only be blocked through your Google or Xiaomi account.
• 🕵️‍♂️ Theoretically, attacks are possible with the help of NFC-Readers, but in practice they require physical access to the watch.
• 📵 If the watch is not locked PIN-By code, anyone can make a payment (within the limit without authorization).

⚠️ Warning: If you lose a watch with a linked credit card, immediately block it through the bank’s mobile app or payment service. Xiaomi/Google.

Hardware restrictions

Some functions may not work due to:

• 📱 Outdated firmware (update the watch through Mi Fitness).
• 🔧 Incompatibility with certain NFC-tags (e.g. old transport cards).
• 🔋 Antenna damage NFC (Often occurs during falls or repairs).

If NFC Stopped working, try it:

1. Reset the clock.
2. Reset the settings to factory.
3. Contact the service center (if the problem is hardware).

Comparison NFC Xiaomi and other brands watches

To see how well implemented NFC Xiaomi watches, compare it to competitors:

As you can see from the table, Xiaomi is not behind the competition in basic functionality, but losing in regional support, for example, the Apple Watch and Samsung Galaxy Watch offer more options for payments and transportation, but also cost more.

Advantages NFC Xiaomi-watch:

• ✅ Low price compared to competitors.
• ✅ Good integration with the Mi Home ecosystem.
• ✅ Google Pay support in global versions.

Disadvantages:

• ❌ Limited support for transport cards outside China.
• ❌ Not all banks work with Mi Pay.
• ❌ Fewer features for a smart home compared to Apple HomeKit or Samsung SmartThings.

The future NFC Smartwatches: What to expect from Xiaomi

Technology NFC It is still evolving, and in future models of Xiaomi watches can expect the following innovations:

1. Expanding support for payment systems

It will probably be in the new watch:

• 💳 Apple Pay support for iPhone-compatible models.
• 🌍 Local payment services (for example, World for Russia, PayPay for Japan).
• 🔄 Ability to link multiple cards at the same time.

Improved compatibility with transport

Xiaomi will likely expand its list of supported transport cards, including:

• 🚇 Troika (Moscow), Strelka (St. Petersburg).
• 🚌 Oyster Card (London), Navigo (Paris).
• 🚆 Suica (Japan), Octopus (Hong Kong).

This will require coordination with local transport operators, but the trend towards globalization is clear.

3. New scenarios for a smart home

Possible novelties:

• 🏠 Automatic activation of the air conditioner when returning home (by NFC-doormark).
• 🔐 Unlocking the car (for electric vehicles with support) NFC).
• 🎮 Game console management (e.g., Xiaomi Game Controller).

4. Enhancing security

Expected improvements:

• 🔒 Two-factor authentication for payments (e.g. fingerprint).
• 🛡️ Protection against cloning NFC-maps (relevant to transport applications).
• 📱 Possibility of remote locking NFC clock-loss.

It's likely to appear. UWB (Ultra-Wideband paired with NFC for more accurate positioning (e.g., to unlock doors without touching).

FAQ: Frequent questions about NFC in Xiaomi watches