Xiaomi Mi Band 4 NFC: full instruction with problem solving

Xiaomi Mi Band 4 NFC

all stages of adjustment

Contact payments through the bracelet are convenient in everyday life: you do not need to take out your phone or wallet, you just need to put your hand to the terminal. But before setting up, it is important to consider a few nuances: bank support, the firmware version of the bracelet, and regional restrictions. For example, in Russia, NFC functionality does not work with all financial institutions, and in some countries it is not available at all.

If you have just purchased the Mi Band 4 NFC or are trying to re-title your card after a reset, this guide will help avoid common mistakes.

1. Checking the compatibility of the bracelet and bank card

Before you start setting up, make sure your Xiaomi Mi Band 4 NFC supports contactless payments in your region. Officially available in China, Russia, Ukraine, Belarus, Kazakhstan and some European countries. In the US and Canada, NFC does not work in this model due to manufacturer restrictions.

As for banks, in Russia at the time of 2026, the following systems are supported:

• 💳 MIR – all banks that issue cards of this payment system (Sberbank, VTB, Tinkoff, etc.)
• 💳 Mastercard and Visa – only if issued by banks integrated with Mi Pay (list below)
• 💳 UnionPay – only works for cards issued in China

List of Russian banks supporting Mi Pay for Mi Band 4 NFC:

If your bank is not listed, it doesn’t mean that binding is impossible.Some users successfully add cards through virtual wallets (like Google Pay or Apple Pay), but this method requires additional manipulation and is not always stable.

⚠️ Note: Maestro and Visa Electron cards are not supported by Mi Pay due to payment system restrictions, and it is not possible to link corporate or credit cards of some banks.

2. Preparation of the bracelet for card binding

Before adding a card, you need to update the Mi Band 4 NFC firmware to the latest version and make sure that all settings are reset to factory, which will help avoid conflicts with previous bindings.

Preparation steps:

1. Install the Mi Fitness app (formerly Mi Fit) on your smartphone, and download it from Google Play or the App Store.
2. Connect the bracelet to the application via Bluetooth. To do this, go to Profile → Add Device → Mi Smart Band 4.
3. Update the firmware bracelet: Profile → Mi Smart Band 4 → Update firmware.
4. Reset the bracelet settings to factory: Profile → Mi Smart Band 4 → Additional → Reset.

After the bracelet is reset, it will automatically restart. Wait until the process is completed (the Mi logo will appear on the screen).

Important: If the bracelet was previously linked to another Xiaomi account, it must be untie.

1. Sign in to the application under the old account.
2. Go to Profile. → Mi Smart Band 4 → Untie the device.
3. Connect the bracelet to your new account.

⚠️ Warning: If the bracelet was bought with your hands, the previous owner might not have removed the card's binding, in which case the only way to unlock it is to remove the bandwidth. NFC — Reset the device through the engineering menu. To do this, click on the Menu bracelet. → Settings → Reset (hold the 10 seconds button). 3. Step-by-step instructions for card binding When the bracelet is ready, you can proceed to add a credit card. The process differs depending on the bank, but the general scheme is as follows: Universal way (via Mi Pay): Open the Mi Fitness app and go to the Mi Pay section (at the bottom menu). Click Add a card and select a bank from the list. Enter the card details manually or scan it through your phone's camera. Confirm the add-on via the phone. SMS or push notification from the bank. wait for the card to be activated (may take up to 24 hours). If your bank is not displayed in Mi Pay, try an alternative method: Binding through the bank application (on the example of Sberbank): Open the Sberbank Online application. Go to the Maps section → Your card. → Mi Pay. Select Add to the device → Mi Band 4 NFC. Confirm the operation. SMS. Wait for sync (the bracelet vibrates when successfully tied) and once added, it can be used to pay in stores that support contactless payments. To do this, unlock the bracelet (touch the sensor or press a button). Bring Mi Band 4. NFC To the terminal at a distance of 2-3 cm Wait for the sound signal and vibration – payment was successful. 📊 What bank do you use with Mi Band 4? NFC?SberbankVTBTinkoffAlfa-BankOther (write in the comments) Restrictions: 🚫 Only one card can be stored on the bracelet (to add a new one, you need to remove the old one). 🚫 Limit per transaction – up to 1000 ₽ (bank-dependent). 🚫 Transportation payments (metro, buses) don't work -- only in stores. 4. Solving common anchoring errors Even with proper preparation, users often face problems. Consider the most common mistakes and ways to fix them. Error: Banks are not supported" 🔍 Check if your bank is on the list of supported banks. 🔍 Try adding a card through the bank app instead of Mi Pay. 🔍 If the bank is supported but the error persists, update the Mi Fitness app and the bracelet firmware. NFC" 📱 Make sure you have the Mi Band 4. NFC, Not the usual version (the box should have an inscription on it). NFC). 📱 Check if it's on. NFC in bracelet settings: Settings → Connections → NFC. 📱 If the gray function is not activated, the bracelet does not support payments in your region. Error: "No card added. Try it later" ⏳ Wait 1-2 hours and try again (sometimes Mi Pay servers are overloaded). ⏳ Make sure there is enough money on the card (some banks block the peg at zero balance). ⏳ Check if there are restrictions on online payments in the bank's personal account" 🛡️ Reset the bracelet to factory settings and repeat the binding. 🛡️ Remove and reinstall the Mi Fitness app. 🛡️ Try linking the card from another smartphone (sometimes the problem is in the app's cache). What to do if the bracelet doesn't vibrate when paying? NFC Does not vibrate or confirm payment, check: 1. Is the bracelet unlocked (press the button before bringing to the terminal). 2. Is the charge sufficient (at the battery level below 10% NFC It may not work. 3. Is it damaged? NFC-module (try to pay with another card via phone – if it doesn’t work, the problem is in the terminal). 4. Update the bracelet firmware to the latest version (the old versions had payment bugs). If none of the methods worked, contact Xiaomi or your bank. In some cases, the problem may be on the payment system’s side. 5. Alternative ways to pay with a bracelet If your bank is not supported by Mi Pay, there are workarounds. They are less reliable, but they allow you to use them. NFC For payments. 1: Virtual map on Google Pay/Apple Pay 📲 Add your bank card to Google Pay or Apple Pay. 📲 Create a virtual card (if the bank supports this feature). 📲 Try linking a virtual card to Mi Pay. note: This method doesn’t work with all banks and may require manual card data entry. Method 2: Transportation System Maps In some cities (e.g. Moscow, St. Petersburg) you can link a transport card (e.g. Troika or Strelka) to a bracelet. To do this, download the transport system application (e.g. Metro Moscow). Buy a virtual card and refill it. In the Mi Fitness app, select the Transport Card → Add it. Scan it. QR-Method 3: Loyalty Cards Some stores (e.g., "Pyaterochka", "Magnet") allow you to add bonus cards to the Mi Band 4 NFC. It won't replace a bank card, but it will make it easier to get discounts: 🔄 Virtual cards may not work in some terminals. 🔄 Transport cards are valid only in your region. 🔄 Bonus cards do not support payments. 💡If you travel frequently, add a UnionPay card to your bracelet (if you have one). This payment system is widely used in Asia and some countries in Europe, and Mi Band 4 is a popular payment system. NFC It supports out of the box. 6 Security payments through Mi Band 4. NFC Many users worry about the safety of contactless payments through the wristband.Actually, the Mi Band 4 NFC Uses the same security technologies as bank cards with a chip: Security measures: 🔒 Tokenization – the real card number is not stored on the bracelet, instead a virtual token is used. 🔒 Dynamic CVV — A unique code is generated for each transaction. 🔒 Blocking if lost – the card can be instantly untie via the Mi Fitness app. 🔒 Pin code bracelet - without unlocking payment is impossible. What to do if the bracelet is lost: Immediately untie the card in the Mi Fitness app (Mi Pay) → Delete the card. Lock the card in the bank app. If you find the bracelet, reset it to the factory settings. How to protect the bracelet from fraudsters: 🛡️ Do not keep large amounts on a linked card (use a separate account with a limit). 🛡️ Include payment notifications in the bank app. 🛡️ Don’t give the bracelet to other people (even for a pay test). 🛡️ Check your transaction history regularly. ⚠️ Note: If you sell or transfer the bracelet to another person, be sure to reset it to factory settings and remove the card from Mi Pay. Otherwise, the new owner will be able to pay for purchases with your card! 7. Comparison Mi Band 4 NFC With other Xiaomi devices if you are considering buying the Mi Band 4 NFC Or you’re thinking about switching to a new model, it’s helpful to compare the contactless payment capabilities across Xiaomi devices. Comparison table: Mi Pay Support Number of cards Mi Band 4 Regions Transport cards NFC Yes 1 Yes (limited) Russia, China, Europe Mi Band 5 NFC Yes 1 Yes Russia, China, Europe, USA* Mi Band 6 NFC Yes 2 Yes Russia, China, Europe, USA * Mi Band 7 NFC Yes 3 Yes Global support Xiaomi Smart Band 8 Pro Yes 5 Yes Global support * In the US, Mi Pay only works with a limited list of banks? ✅ If you need support for multiple cards, yes, Mi Band 6. NFC and newer allow you to store up to 5 cards. ✅ If you often ride the subway, new models work better with transport cards. ❌ If you are satisfied with one card and basic functions - Mi Band 4 NFC still relevant. 💡The main advantage of the Mi Band 4 NFC If you don't need additional maps and advanced features, you don't have to pay too much for an upgrade. FAQ: Frequent questions about linking the card to the Mi Band 4 NFC Is it possible to link the card of Sberbank to the Mi Band? 4 NFC, And if it's issued in another region, yes, but there are nuances: Sberbank's World Maps work in any region of Russia. Mastercard/Visa, issued in one region (e.g. Moscow) may not be tied if you are in another (e.g. Krasnodar). VPN Link the card to the card's issue region, via the Sberbank app, not Mi Pay. Why does the bracelet not pay for purchases after the card is tied: 🔋 Battery discharged (NFC shuts down at the charge level below 10%). 📵 Bracelet not unlocked (click button before payment). 🏦 The terminal does not support contactless payments (check the sign). PayPass/PayWave). 🔄 The card is not activated (sometimes the first payment is required via phone). If the problem persists, delete the card and add it again. Can you tie another person's card to the bracelet? Technically, but it violates bank regulations. Most financial institutions prohibit the transfer of cards to third parties, even if it involves contactless payments. You will not be able to confirm the link through SMS (If you lose your bracelet, the cardholder can untie it without your knowledge, the bank can block the card if you suspect fraud, how to remove the card from the bracelet if it breaks, if the bracelet doesn't turn on or sync with the phone: Open the Mi Fitness app. Go to Mi Pay → My cards. Click on the card and select Delete. If the bracelet is completely discharged and does not respond to charging, wait 1-2 hours, then try syncing it with your phone. The card will be deleted automatically the next time you connect. Does the Mi Band 4 NFC work with Apple Pay or Samsung Pay? No, the Mi Band 4 NFC uses its own Mi Pay system and is not compatible with Apple Pay or Samsung Pay. However, you can: Add the card to Google Pay and then link the virtual card to Mi Pay (does not work with all banks). Use transport cards (for example, "Troika"), if they are supported in your region.