How to tie the card to Xiaomi Redmi 9: all the ways and nuances

Xiaomi Redmi 9 supports several ways to link bank cards, from the built-in Mi Pay service to popular platforms like Google Pay and mobile banks. However, many users experience errors when adding a card: the system refuses to accept data, there are problems with verification or the application simply does not see the bank. In this article, we will discuss all the working methods of binding, including bypassing typical restrictions, setting up NFC for contactless payments and solving the most common errors.

The Redmi 9 (M2003J15SC/M2004C3LGG) is not officially supported by Google Mobile Services (GMS) in some regions, which may block Google Pay, while Mi Pay is stable, but not available in all countries, and we tested all current methods on MIUI 12.5-14 firmware and collected instructions that will help to link the card even if standard methods do not work.

1. Preparation of the smartphone before binding the card

Before you add a map, make sure your Xiaomi Redmi 9 is ready for this:

• 📱 Update. MIUI Old firmware may not have any critical fixes for payment services. → The phone. → Updating the system.
• 🔒 Set up the lock. PIN-The card will not be tied to a code, pattern lock or fingerprint – this is a security requirement.
• 📶 Connect to a stable Internet. To verify the card, you will need access to the network (Wi-Fi or mobile Internet).
• 📌 Check the region of the Mi Account. Some banks block the binding if the region of the Xiaomi account does not match the country of issue of the card.

If you plan to use contactless payments, activate NFC in the settings: Settings → Connections and Sharing → NFC. On Redmi 9, the NFC chip is located at the top of the case - when paying, bring the phone to the terminal by this side.

⚠️ Note: If you have previously used custom firmware (such as LineageOS or Pixel Experience), payment services may not work due to lack of SafetyNet certification. MIUI.

2. Linking the card through Mi Pay (official method)

Mi Pay is a built-in contactless payment service from Xiaomi, available in countries with support (Russia, India, China, etc.) To add a card:

1. Open the Mi Pay app (if not, download from the Mi App Store).
2. Click Add Card and select the bank from the list of supported.
3. Enter the card data manually or scan it with the camera.
4. Confirm the binding via SMS or push notification from the bank.

Once you add it successfully, the card will appear on the list. To pay, unlock your phone and bring it to the terminal, and the payment will be automatically completed.

⚠️ Note: If your bank is not listed on Mi Pay, try linking the card via its official mobile app (see section 4.

Make sure the bank is supported|Check the balance on the card (minimum 100) ₽)|Shut down. VPN|Insert geolocation-->

3. Google Pay card binding (if Mi Pay is not available)

If Mi Pay is not available in your area or if the bank is not supported, you can use Google Pay. However, Redmi 9 may have problems due to the lack of Google Mobile Services (GMS) certification in some firmware.

1. Install Google Pay from the Play Market (if the app is not available, download the APK from the official website).
2. Open the application and click Add Payment Method.
3. Select a Credit or Debit Card and enter the details.
4. Confirm the binding via the bank (SMS, call or push).

If Google Pay issues an error saying “This device is not certified for payments,” follow these steps:

• 🔧 Check the certification of the device through the Device app ID (CtsProfile: True and BasicIntegrity: True).
• 🔄 Reinstall Google Play Services (download the latest version from APKMirror).
• 📱 Reset your Google Pay settings in Settings → Annexes → Google Pay → Warehouse → Clear the data.

4. Linking the card through a mobile bank

Many banks allow you to link your card to your smartphone through an app, which works even if Mi Pay and Google Pay are not available.

Sberbank Online

1. Open the SberBank Online app.

2. Go to the Maps section and select the desired card.

3. Click Add to Google Pay/Mi Pay (depending on the service supported).

4. Follow the instructions on the screen for confirmation.

Tinkoff Bank

1. Launch the Tinkoff app.

2. Select a card and tap Pay by phone.

3.The system will automatically redirect you to Google Pay or offer to download Mi Pay.

Important: some banks (for example, VTB or Gazprombank) require the preliminary activation of the contactless payments option in the personal account on the website.

5. Solving common errors when linking the card

If you have any errors when adding a card, use these tips:

If the error persists, try:

• 🔄 Reboot your phone – sometimes it resets temporary crashes.
• 📵 Shut down. VPN — Some banks block card binding when using a proxy.
• 📞 Call the bank – there may be restrictions on online payments.

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If the bank asks for input CVV-code when linking the card, but the field is inactive, try adding the card through the browser version of the mobile bank (open the bank's website in Chrome and go to the Contactless Payments section").

6.Configure contactless payments after linking the card

After successfully adding a card, set up Redmi 9 for easy payments:

1. Activate the Pay by default option in the Mi Pay/Google Pay settings so you don’t select a card every time.
2. Add the payment app shortcut to the home screen for quick access.
3. Set up auto-unlock when you bring it to the terminal (in some firmwares, this option is available in Settings → Lock screen → Additional settings).

To check the availability:

• 🛒 Bring your phone to the terminal in the store (the payment amount must be less than 1000). ₽ for contactless payment without PIN).
• 💳 Make sure that a successful payment notification appears on the screen.

⚠️ Warning: If the terminal doesn't read the card, try to disable the case - some models block the signal NFC. Also check that the option is NFC included not only in the settings, but also in the quick access panel (swipe down from the top edge of the screen).

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If contactless payments don’t work after all the manipulations, check if the NFC is disabled at the hardware level (for example, after a phone crash), in which case you will need a diagnosis at the service center.

7.Security: How to Protect Your Linked Card

Linking a card to a smartphone makes payments easier, but requires a greater focus on security.

• 🔐 Use a complex lock password (at least 6 characters) or a fingerprint.
• 📵 Turn off payment notifications on the locked screen (notification settings in the MIUI).
• 🛡️ Activate two-factor authentication in your Mi and Google account.
• 🔍 Check your mobile bank’s transaction history regularly.

If your phone is lost or stolen:

1. Block the card immediately via a mobile bank or hotline number.
2. Remove your device from the list of trusted in Google Pay (via the web version of the service).
3. Restore access to your Mi Account through the official website and untie your phone.

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To quickly find the lost Redmi 9, activate the Find Device function in the Mi Account settings (Settings) → Xiaomi account → Find the device. This will allow you to locate the phone even if you SIM-map extracted.

Frequent questions about linking the map to Xiaomi Redmi 9