How to Add a Card to Xiaomi Redmi 9 Pro for Payment by Phone: Complete Guide 2026

Paying with your phone instead of a wallet or bank card is not only convenient, it’s also safe. Xiaomi Redmi 9 Pro supports contactless payments via a mobile phone. NFC-It's a chip, but many users have difficulty setting up the first setup, and unlike the flagship models, there's no pre-installed service. MI Pay in some regions, and alternative methods (e.g. Google Pay) require the correct configuration.

In this article, we will discuss all available methods of linking the card to Redmi 9 Pro: from the standard addition through the MIUI You'll also learn which banks are supported, how to check the health of the banks. NFC, And what to do if the system issues a "Device not certified for payments" error, and we'll focus on security, how to protect card data from fraud, and why you shouldn't use questionable patches to unlock payments.

If you've tried to add a card and you've been rejected, don't be too quick to blame the phone. 80 percent of the time, the problem is with Google's account settings, outdated firmware, or bank restrictions, and we'll go through each scenario in detail with step-by-step screenshots and alternatives.

1. Verification of Redmi 9 Pro compatibility with contactless payments

Before you add a card, make sure your smartphone is technically ready for payments. - Xiaomi Redmi 9 Pro (model number) M2007J3SC for the global version) NFC-chip NXP PN80T, which supports card emulation according to the standard HCE (Host Card Emulation? but there are nuances:

✅ Supported standards:

• 📱 MI Pay – Xiaomi’s proprietary service (only available in China, India and some Asian countries).
• 💳 Google Pay is a universal solution for most banks (requires certification of the device).
• 🏦 Samsung Pay/Apple Pay – Hardware-incompatible with Redmi.
• 🔄 Banking applications (SberBank Online, Tinkoff, Alpha-Click) – some support the link to NFC directly.

⚠️ If you bought the Redmi 9 Pro in China (the C-suffix version in the model) MI Pay can be blocked outside of Asia, leaving only Google Pay or banking apps.

To check the performance of NFC:

1. Open Settings → Connection and Exchange → NFC.
2. Activate the NFC slider.
3. Put the phone to the other one. NFC-If you see a vibration or a notification, the chip works.

2.Preparation of the phone before adding the card

Incorrect preparation is the main cause of errors in linking the card. Follow this checklist to avoid problems:

Pay special attention to the firmware version. Redmi 9 Pro should work on the MIUI 12.5 or later (Google Pay requires Android 10)+). Check the relevance of the software:

If your version is outdated, update it through Settings. → The phone. → System update. If no updates, check the firmware region:

• 🌍 Global (Global) – supports Google Pay.
• 🇨🇳 Chinese (China) - requires reflashing to Global or EEA.
• 🇷🇺 Russian (Russia) – can block Google Pay due to sanctions (use banking applications).

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If you have Chinese firmware but don’t want to change it, try adding a card through a banking app (e.g. SberBank Online), which many Russian banks bypass the restrictions of Google Pay.

3. Adding a card via Google Pay (Step-by-step)

Google Pay is the most versatile way for the Redmi 9 Pro, but it requires a device certification.

1. Install Google Pay:

Download the app from Google Play.

- If the app is not available in your area, use it. VPN (For example, ProtonVPN) with connection to the USA or Germany.

2. Run the setting:

Open Google Pay and click "Add Card".

Select "Credit or Debit Card".

Scanning or manual input:

- Point the camera at the map for automatic scanning or enter data manually.

- Make sure you have the correct one. CVV-code (3 digits on the back).

Bank confirmation:

- The bank will send SMS code or request in a mobile application.

- If SMS Check if your operator is blocking the message from the bank.

Activation NFC payment:

- Go to Settings. → Connection and exchange → NFC → Default payments.

Choose Google Pay as your primary service.

⚠️ Note: If the error "Device not certified" appears at the step of adding a card, then your firmware has been modified (for example, custom recovery or root). MIUI via Mi Flash Tool.

4. Alternative methods: MI Pay and banking applications

If Google Pay is not available (for example, due to regional restrictions), try other methods:

🔹 MI Pay (for supported regions only)

Xiaomi's proprietary service is operating in China, India, Indonesia and several other countries, to activate:

1. Open the Mi Pay app (if not, download APK from APKPure).
2. Register with a phone number (required) SMS-confirmation).
3. Add the card through "Bank cards" → "Add a new one".
4. Confirm the binding via the bank (usually a push notification arrives).

🔹 Banking applications (SberBank, Tinkoff, Alfa-Bank)

Many Russian banks allow you to link the card to the NFC directly through your own app, like Sberbank Online:

1. Open the application and go to the "Maps" section.
2. Select the card you want and click "Add to contactless payments".
3. Follow the instructions – the system activates itself. NFC-payment.

Advantages of banking applications:

• 🔒 Do not require certification of devices (work even on custom firmware).
• 💰 Support cashback and bank bonuses.
• 📱 Often integrated with push notifications.

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Banking apps are the best choice for Redmi 9 Pro users in Russia, as they bypass the restrictions of Google Pay and do not require manual certification of the device.

5. Solving common mistakes

Even with the right setup, you can have failures, and let's look at the typical problems and their solutions.

If none of these methods worked, check:

• 📶 Google account region: must match the bank region (e.g. Russia for Sber) can be changed at myaccount.google.com.
• 🔄 Date and time: if they are downed, payments are blocked. Enable automatic synchronization in Settings → Additionally. → Date and time.
• 🔋 Battery charge: at a level below 5% NFC It can be turned off to save energy.

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If you use two of them SIM-Cards, try to temporarily disable the second one - some banks block payments when roaming is active.

6 Security: How to Protect Card Data

Contactless payments via phone are more reliable than a physical card, but require compliance with the following rules:

✅ What to do to protect:

• 🔐 Set a pattern lock or PIN to unlock the screen (fingerprint is not reliable enough).
• 📱 Enable the blocking of applications for Google Pay/MI Pay in Settings → Annexes → Application lockdown.
• 🔄 Update regularly MIUI Google Play Services – They are closing vulnerabilities.
• 🚫 Do not install patches to circumvent certification (such as Magisk Modules) – they may contain malicious code.

❌ What not to do:

• 📲 Do not store the card photos in the phone gallery.
• 🔗 Do not enter card details on suspicious sites, even if they mimic Google Pay.
• 📡 Do not connect to public Wi-Fi when adding a card (use mobile internet).

⚠️ Warning: If your phone is stolen, immediately lock your card through a bank app or hotline number. Redmi 9 Pro can remotely disable the card. NFC Find My Device (if sync with Xiaomi account is enabled).

7. How to pay by phone: step-by-step instructions

When the card is added, it is simple to pay for the purchase:

1. Unlock your phone (lock screen is enough, you do not need to open the application).
2. Bring the top of the Redmi 9 Pro (where the camera is located) to the terminal at a distance of 2-5 cm.
3. Wait for the vibration or the sound signal – the payment has passed.
4. If the sum is more than 1000 ₽ (in Russia may require input PIN-terminal-code.

💡 Convenience tips:

• 🔋 Enable the “Fast Payments” option in Google Pay so you don’t enter PIN for each payment (limit - 5 payments in a row).
• 📱 Add the Google Pay shortcut to the home screen for quick access.
• 🛒 In supermarkets, bring your phone to the terminal after the cashier punches the amount.

FAQ: Frequent questions