How to connect the card to the phone Xiaomi Redmi 9T via NFC: full instructions with nuances

Xiaomi Redmi 9T is equipped with an NFC module that allows you to use the device for contactless payments, reading transport cards and working with discount programs. However, many owners face difficulties in the first setup β€” especially if it is a matter of linking a bank card or setting up Mi Pay. In this article, we will discuss all the ways to connect cards to Redmi 9T, including the nuances of working with different banks and transport systems.

It is important to understand that the functionality of NFC on Xiaomi depends not only on hardware capabilities, but also on the region of the firmware, the version of MIUI and supported banks. For example, in Russia, Google Pay works stably, and Mi Pay may require additional settings.

Check NFC support on Xiaomi Redmi 9T

Before you start setting up, make sure your Redmi 9T does support NFC. Not all versions of this smartphone are equipped with a module - for example, versions for some Asian markets can come without one.

To check for NFC:

  • πŸ“± Open the Settings. β†’ Connections and sharing β†’ NFC.
  • πŸ” If the paragraph NFC No, your model doesn’t support the technology.
  • πŸ“¦ Check the smartphone box: the sticker with the characteristics should have a logo NFC.

If NFC is available but not enabled, upgrade to the latest version of MIUI. In rare cases, the module can be disabled at the software level - this is corrected by resetting network settings (Settings β†’ About Phone β†’ Network Reset).

πŸ“Š What payment method do you use more often?
Cash.
Bank card (contact card)
NFC via phone
Transport map

NFC setup on Xiaomi Redmi 9T: the first launch

Once NFC is confirmed, you need to activate the module and configure it to work with maps, a process that takes no more than 5 minutes, but requires attention to detail.

Step-by-step:

  1. Go to Settings β†’ Connections and Sharing β†’ NFC.
  2. Activate the NFC switch (should turn blue).
  3. Below, select Contactless Payments and confirm inclusion.
  4. If the system requests Mi Pay or Google Pay installation, you can agree.

Once activated, check the module: bring the phone to another NFC device (such as a payment terminal in a store), and it should sound or vibration – this means that the module is working correctly.

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If NFC is not turned on, try calibrating the antenna: go to Settings β†’ About phone, tap 5 times on the line MIUI version, then select Diagnostic β†’ NFC test.

Connecting a bank card through Google Pay

Google Pay is the most versatile way to link bank cards to Xiaomi Redmi 9T. The service is supported by most Russian and international banks, and the setup takes a few minutes.

Instructions for map binding:

β˜‘οΈ Preparing for map binding in Google Pay

Done: 0 / 4

Next:

  1. Open the Google Pay app.
  2. Click Add Card β†’ Credit or debit card.
  3. Scan the map with the camera or enter the data manually.
  4. Confirm the binding via SMS or push notification from the bank.
  5. Come up with it. PIN-code for confirming payments (required!).

Once the card is successfully linked, the card will appear on the list, so to pay for the purchase, unlock the phone, bring it to the terminal and confirm the payment with a fingerprint or PIN-I'm on the Redmi. 9T Google Pay is stable, but some banks (for example, Tinkoff) may require additional authorization through their mobile application.

Why can the bank reject the card binding?
Banks sometimes block the addition of cards to Google Pay for security reasons, most often this happens if: - Card issued a long time ago (more than 5 years ago). - The account has not received funds in the last 3 months. - Bank temporarily suspended support for contactless payments.

Using Mi Pay on Xiaomi Redmi 9T

Mi Pay is Xiaomi’s branded contactless payment service that runs on NFC technology. Unlike Google Pay, it doesn’t support all banks, but it can be useful for transport cards and discount programs.

To set up Mi Pay:

  • πŸ“² Install the Mi Pay app from the App Store (if it’s not on the system).
  • πŸ’³ Open the app and select Add a map.
  • πŸ” Enter the card details and confirm the link through the bank.
  • πŸ“± Set up protection: fingerprint, pattern lock or PIN.

Mi Pay on Redmi 9T may require a link to a Xiaomi account (Mi Account).If you do not have one, register in advance. It also supports transport cards (for example, Troika or Arrow), but this may require a separate setup in the Transport section.

⚠️ Warning: If payments are not made after you have attached your card to Mi Pay, check the firmware region. MIUI (for example, MIUI Global service is stable and in Chinese (MIUI China may request VPN or change the region of the account.

Linking transport and discount cards

In addition to bank cards, NFC on Redmi 9T allows you to work with transport cards (for example, Troika, Strelka, Podravilok) and discount programs (for example, store cards).

Common algorithm:

  1. Install the official transport system application (for example, My Trip Pass).
  2. Register and link the card to your account.
  3. In the application settings, select Add to the device or Move to the phone.
  4. Hold the physical card to the back of the phone (where the NFC antenna is located).
  5. Wait for confirmation of the transfer (can take up to 10 minutes).

For discount cards (such as Magnet or Pyatiorochka), it is usually enough to install the store app and add the card to the My Cards section. Some programs allow you to emulate the card via NFC, but more often a barcode or QR is used.

Type of cardAnnexSupport for NFCNotes
Troika (Moscow)My Passage.Yes.Requires a link to a phone number
Shooter (SPb)The Arrow MapYes.Supports autopayment from a bank card
Plant-Plant (Minsk)Plantain.Yes.It only works on Belarusian firmware.
Magnet Bonus.magnetNo (QR)It's a barcode.
Thanks, sir.Sberbank OnlineYes (via Mi Pay)Requires a link to a bank card

Solving NFC problems on Xiaomi Redmi 9T

If the NFC on your Redmi 9T is not working or is not working properly, the causes can vary from software failures to hardware malfunctions.

Typical failures and solutions:

  • πŸ”„ NFC Not turned on: Restart phone, update firmware, reset network settings (Settings) β†’ System system β†’ Resetting settings β†’ Resetting Wi-Fi, Mobile Network and Bluetooth).
  • πŸ“΅ Terminal can't see phone: Check that screen is unlocked at payment time.Some terminals require proof of the amount on the phone.
  • πŸ’³ Card not tied: Make sure the bank supports contactless payments via Google Pay or Mi Pay.A list of supported banks can be found on their official websites.
  • πŸ”‹ NFC Turns off yourself: Check your battery saving settings - some modes may turn off NFC background.

If the problem is not solved, try resetting your phone to factory settings (Settings β†’ About Phone β†’ Reset β†’ Delete All Data).Be sure to back up your data before doing so! In extreme cases, the malfunction can be hardware-related, such as damage to an NFC antenna (most often after falls or repairs).

⚠️ Attention: Xiaomi Redmi 9T with custom firmware (for example, LineageOS or Pixel Experience) NFC This is due to the lack of proprietary drivers, in which case, go back to the official firmware. MIUI.

Alternative methods of contactless payments

If the NFC on your Redmi 9T doesn't work or you prefer other methods, there are alternative ways to contactless payments that are less convenient but can help in an emergency.

NFC replacement options:

  • πŸ’» QR-Payments: Apps like SberBank Online, Tinkoff or UMoney allow you to pay for purchases through scanning QR-You don't need to do that. NFC, But you need the internet.
  • πŸ“± Bluetooth payments: Some terminals (such as cafes or taxis) support Bluetooth payments using services like Apple Pay (but on Android, this is rare).
  • 🏧 Mobile Banking ATMs: You can withdraw cash or pay for services through the bank’s mobile application by bringing the phone to the ATM (if it supports it) NFC authorization).
  • πŸ›’ Self-delivery with payment online: Many stores (for example, Pyaterochka or Magnet) allow you to pay for the purchase in advance through the application and pick up the goods without queue.

Also worth considering is the use of smartwatches or fitness bracelets with NFC (such as the Xiaomi Mi Band 6 NFC or Amazfit GTR 3), which can be a backup device for contactless payments if the phone is dead or out of order.

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If the NFC on your Redmi 9T stopped working after the firmware update, try rolling back to the previous version of MIUI. Use Fastboot mode and the official Mi Flash utility to do this.

FAQ: Frequent questions about NFC on Xiaomi Redmi 9T

Can I use NFC on Redmi 9T to open intercom doors?
Yes, but it will require a special application (such as NFC Tools or Domofon NFC) and intercom support, not all intercom models are compatible with emulation of cards via a phone, and root access may be required to write data to a virtual card.
Why does Google Pay ask for confirmation via SMS on every payment?
This is a requirement of a bank, not a phone. Some financial institutions (such as VTB or Alfa-Bank) include additional authorization for payments over a certain amount (usually 1000-3,000 rubles).
Can I transfer my transport card from one phone to another?
Yes, but only if both devices support NFC and you have access to an account in the transport application, for example, for a Troika, you need to: Delete the card from the old phone in the My Travel app. Add it to the new phone through the same account. Note: at the same time, the card can only be linked to one device.
Where is the NFC antenna on the Redmi 9T?
The NFC antenna is located at the top of the back of the phone, next to the main camera. For stable operation, do not cover this place with cases with metal inserts or magnets - they can shield the signal.
Does Mi Pay work abroad?
Mi Pay supports international payments, but only if your bank allows transactions abroad. Before traveling, check with the bank whether the option is included overseas payments for your card. Also check whether the local payment system (such as Visa PayWave or Mastercard Contactless) supports payment through Mi Pay.