Fitness bracelet Xiaomi Mi Band 4 NFC It was one of the brand’s first wearable devices to support contactless payments, a feature that still raises questions among users. 5/6/7/8), fourth-version NFC-The chip remains popular due to its affordable price and stable operation, but the main problem is the limited list of supported bank cards, which varies depending on the region and version of the firmware.
In this article, we will find out which cards are compatible with Mi Band 4. NFC In 2026, how to tie them up through the Mi Fit app (or Zepp Life) and why some banks still haven't added support. NFC-chips if your bank is not on the official list.
Official list of supported banks in Russia and CIS
In Russia, the Xiaomi Mi Band 4 NFC initially supported a limited number of banks through the Mastercard PayPass platform (now Mastercard Contactless), which has expanded to date, but not all credit institutions are connected.
- 🏦 Sberbank – full support for debit and credit cards (except corporate and virtual).
- 💳 Tinkoff Bank – Debit and credit cards (requires the latest version of the Mi Fit app).
- 🏛️ VTB – only debit cards (credit cards are not supported).
- 💰 Alfa-Bank – Mastercard debit cards (Visa does not work!).
- 📱 Raiffeisenbank – limited support (only cards issued after 2021).
- 🔄 Gazprombank – Mastercard debit (problems with binding through some firmware versions).
Important: Visa PayWave on Mi Band 4 NFC doesn't work -- the bracelet only supports Mastercard Contactless, due to limitations of the PBOC 2.0 protocol used in the device, and if your card is issued to Mir or UnionPay, it won't be able to be tied either.
How to check your card compatibility with Mi Band 4 NFC
Before you try to tie a card, make sure it meets three key criteria:
- The payment system is only Mastercard (debit or credit, but not all banks support credit cards).
- Chip type – the card must support contactless payments (it must have the Contactless or PayPass logo on it).
- Issuing Bank – Check if your bank is on the official list (see section above).
To find out exactly if the card is compatible, follow the following steps:
☑️ Checking the compatibility of the card
If you add a card to Mi Fit, you will find an error such as “Bank is not supported” or “Card cannot be linked”, this means one of two things:
⚠️ Attention: An error can occur even if the bank is officially supported, due to outdated firmware of the bracelet or application, update the Mi Fit to the latest version and restart the bracelet (press the touch button for 10 seconds).
How to link the card to Mi Band 4 NFC
The card binding process takes no more than 5 minutes, but requires preparation.
- Update the bracelet firmware: Go to Profile → Mi Smart Band 4 → Update the firmware in the Mi Fit application. Make sure that the software version is not lower than 1.0.9.54 (for the application). NFC-model).
- Add the card to Mi Fit: Open the Mi Pay section (or Contactless Payments), click Add Card and scan it through your phone’s camera or enter data manually.
- Confirm via SMS: The bank will send a one-time code to the number associated with the card. Enter it into the application.
- Install. PIN-Code for payments: This is a mandatory step - no PIN-If you don't have a 4-digit code, you can confirm it.
After successful binding, the card will appear in the Mi Pay section.
- Unlock the bracelet (double touch on the screen).
- Bring it to the terminal at a distance of 1-3 cm.
- If necessary, enter PIN-bracelet.
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If the terminal is not reading the bracelet, try to bring it to another part of the case (NFC-The antenna is closer to the display, not the strap).
Limitations and pitfalls when paying with Mi Band 4 NFC
Even if your card is successfully tied, it’s worth knowing about the key limitations:
| Type of restriction | Details. | How to get around |
|---|---|---|
| Limit per transaction | Up to 1,000. ₽ without PIN-code (in some banks - up to 3 000) ₽). | Enter the PIN on the bracelet for payments over the limit. |
| Foreign payments | It works only in countries where the PBOC 2.0 standard is adopted (China, Hong Kong, Thailand, etc.). | Use alternative payment methods (e.g. Google Pay on your phone). |
| Card expiration date | When the card expires, it must be tied again. | Replace the card in the bank in advance and add a new one to Mi Fit. |
| Offline payments | The bracelet supports up to 5 offline transactions in a row (without communication with the phone). | Periodically sync the bracelet with your phone via Mi Fit. |
While the Mi Band 4 NFC technically supports payments in some Asian countries, it will not work in Europe and the US, because it lacks certification to the EMV standards used in Western terminals.
⚠️ Note: If you are planning a trip abroad, do not rely only on the bracelet. 90% In Europe and the US, Mi Bands are not recognized. 4 NFC It's like a payment device. Bring a backup card or a Google phone. Pay/Apple Pay.
Alternative ways to use NFC in Mi Band 4 (unsupported bank)
If your bank is not on the list of supported banks, it does not mean that NFC-The chip in the bracelet is useless. Here are 3 working ways to use it to the maximum:
- 🚇 Subway/ground transportation fares: Moscow, St. Petersburg and some other Mi Band 4 cities NFC You can link to the transport card "Troika" or "Strelka" through the application Mifar (requires an Android-smartphone with a mobile phone). NFC).
- 🔑 Emulation of key cards: Using applications like NFC Tools or Mi Band Master can be recorded on the bracelet data from the intercom, office card or key fob (if they work at a frequency of 13.56 MHz).
- 📱 Smart home management: NFC-tags can be used to run scripts in Mi Home (for example, turning on lights when a bracelet touches a special tag).
Emulation of transport cards or keys will require:
- Install the Mi Band Master app (available on 4PDA).
- Activate the developer mode on the bracelet (via Settings → About the bracelet → 5 times tap on the software version).
- Record the card data through NFC-phone-reader.
Details of recorded maps
Frequent Errors and Solutions When Working with NFC
Mi Band 4 NFC users often face typical problems, and here are the most common ways to fix them:
| Mistake. | Reason. | Decision |
|---|---|---|
| "It's impossible to add a map." | Bank is not supported or card is not Mastercard. | Check the list of supported banks or use an alternative card. |
| The bracelet is not readable by the terminal | Weak NFC signal or battery drained. | Charge the bracelet to 100% and bring it closer to the terminal (1-2 cm). |
| "Network error" when tied | Problems with the Internet or Mi Pay servers. | Switch to mobile internet (if you’ve used Wi-Fi) or try again later. |
| Payments are coming through, but write-offs are not visible | Delayed synchronization with the bank. | Update the data in the bank application or wait SMS-notice. |
If none of the methods helped, try to reset the bracelet to the factory settings:
- Open Mi Fit and go to Profile → Mi Smart Band 4 → Untie the device.
- Reset the settings on the bracelet: Settings → Additional → Reset.
- Reconnect the bracelet to the phone and re-tether the card.
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If the problem persists after the reset, contact Xiaomi via the chat in the Mi Fit app (XMSH08HM for NFC-version) and firmware version.