Owners of Xiaomi smartphones, in particular the popular budget model Redmi 9A, are often faced with the need to quickly pay for purchases without using a physical plastic card. Despite the fact that direct integration SberPay or Mir Pay on devices of this brand may be limited due to the lack of NFC certification, modern technologies make it possible to bypass these restrictions. Using a phone as a payment instrument has become a standard of comfort, allowing you to leave your wallet at home and make purchases with one touch of the device to the terminal.
The main difficulty faced by users Redmi 9Ais the lack of a built-in module NFC in most configurations of this model. This creates the illusion that contactless payment is impossible. However, there are proven software solutions and third-party applications that emulate the operation of the payment system or use alternative data transfer protocols. In this guide, we'll take a closer look at all the available methods, from using Google Pay to specialized utilities for card emulation.
Before you get started, it's important to understand the security architecture of mobile payments. Tokenization Card data ensures that the real account number is not transmitted to the merchant, making paying by phone even safer than using plastic. For owners Xiaomi it is critical to correctly configure the region and system services so that payment gateways recognize the device as compatible. We will look at a step-by-step algorithm of actions that will allow you to turn your smartphone into a full-fledged payment instrument.
Checking for the presence of an NFC module on Redmi 9A
The first and most critical stage is a hardware check. The model Redmi 9A was produced in various modifications for different markets, and the presence of a short-range communication chip depends on the specific revision of the motherboard. If your device physically does not have an antenna and controller, software methods for card emulation through the terminal will not work, and you will have to use alternative payment methods through QR codes or bank applications.
For quick diagnostics, use the built-in tools of the system MIUI. Go to settings and use a keyword search or visually find the relevant section. If the switch is completely missing, this is a sure sign that the hardware does not support contactless communication. In this case, all further instructions for setting up NFC will be useless, and you should immediately go to the section on alternative methods.
⚠️ Attention: If there is no NFC item in the settings, do not try to install third-party drivers from unverified sources. This will not add a physical module to the phone, but can lead to infection of the device with malware.
There is also a software method of checking through the engineering menu or special utilities that read the list of functions supported by the device. Launch the application and wait for the scan. In the list, look for the line NFC or ISO14443. If the system reports that there is no support, then to pay with one touch you will need an external solution, for example, a key fob or a sticker on a case linked to the account.
Setting up Google Pay for Sberbank cards
If the communication module is present, the next step is setting up the main payment service. To work Google Pay on devices Xiaomi often you need to change the region in your account settings. This is because some banking apps and Google services may block payment functionality in certain geographic areas or require compliance with local laws.
The process of adding a card to GPay is standard, but requires attention to security details. Open the app, click the add button and follow the onscreen instructions. The system will offer to scan the card with a camera or enter data manually. After entering the data CVC code and expiration date, the bank will send a verification code via SMS or in a push notification of its application to confirm account ownership.
☑️ Setting up Google Pay
It is important to note that for tokenization to work correctly It is necessary that the latest versions of Google Play services are installed on the device. Go to the app store and update all components of the ecosystem. If the bank's application requires additional permissions to work with NFC, the system will request them at the time of binding. Refusal to grant rights will make it impossible to conduct transactions, since the application will not be able to access the protected element.
Use of Mir Pay and third-party solutions
In conditions where direct integration with Western payment systems may be limited, national developments such as Mir Paycome to the fore. This application allows you to pay for purchases with cards of the national payment system issued by Russian banks, including Sberbank. Installation and configuration Mir Pay on Redmi 9A has its own characteristics related to access rights and security certificates.
To get started, you need to download the application installation file, since in some regions it may not be available in the standard store. After installation, launch the app and add a card. The process is similar to adding to Google Pay: scanning, confirmation via SMS. However, Mir Pay often requires more careful setting of the time and date on the device, since encryption protocols are sensitive to clock desynchronization.
| Option | Google Pay | Mir Pay | Third-party emulators |
|---|---|---|---|
| Card support | Visa, Mastercard, Mir | Only Mir | Depends on software |
| NFC requirements | Required | Required | Required |
| Security | High (Tokenization) | High (GOST encryption) | Medium |
| Region of work | Global | RF | Global |
There are also third-party emulator applications that try to simulate the operation of the card. However, their use carries certain risks. Use of unverified emulators may lead to the bank blocking the card for suspicious activity or compromising data. It is recommended to use only official bank applications or certified payment systems that have passed a security audit.
Alternatives in the absence of NFC: QR and stickers
If the check showed the absence of an NFC module in your Redmi 9A, do not be upset. The mobile payments industry offers efficient alternatives that do not require a special chip. The most common method is payment by QR code. This is a technology that works on any smartphone with a camera and Internet access, regardless of the year of manufacture or configuration.
To pay via QR code, you will need your bank's application. At the store checkout, the cashier generates a unique code or provides a static terminal code. You open the bank app, select the scan function and point the camera. After confirming the amount on the phone screen, the money is debited instantly. This method is completely free for the buyer and does not require setting up complex systems.
Another option is to use NFC stickers. These are small tags that the bank or payment system issues to the client. You stick this sticker on the back cover of your phone or case. Inside the sticker there is a chip that is read by the terminal like a regular card. For a phone it’s just a plastic sticker, but for a terminal it’s a full-fledged card. This is an ideal solution for owners of budget smartphones without NFC.
Solving payment problems and errors
Even with all the necessary components, users may encounter errors when trying to pay. The terminal may not see the phone, or the transaction may be interrupted at the confirmation stage. One of the most common reasons is that the payment system application is blocked in the background. The operating system MIUI is known for its aggressive power saving, which can "kill" the Google Pay or Mir Pay processes in the background.
To solve this problem, you need to manually configure permissions for payment applications. Go to battery settings and find the list of applications. Find your payment service and set the operating mode No restrictions. Also make sure that app auto-download is enabled. This will allow the system to keep the NFC module ready to be read by the terminal at any time.
⚠️ Attention: If payment fails, try rebooting the NFC module. Turn Airplane mode on and off, then re-enable NFC. This will reconnect the antenna to the network and reset temporary driver errors.
Another cause of errors may be the cover. If you use a protective case with metal elements, magnetic clasps, or too thick walls, it may shield the signal. Remove the case and try making payment again. If the problem goes away, consider replacing the accessory with a thinner one or one made of non-conductive materials such as silicone or polycarbonate without metal inserts.
Phone Payment Security
Security is the number one priority when using mobile technology. Payment systems use multi-level protection. When paying by phone, your card number is not transmitted to the store. Instead, a one-time tokenis generated. Even if hackers intercept the signal, they will not be able to recover the card data or reuse the token for another purchase.
In addition, to make a payment over a certain amount (usually 1000 rubles) or after several transactions in a row, the system will require unlocking the device. This could be entering a PIN code, pattern key, fingerprint scanning or facial recognition. This ensures that if you lose your phone, a stranger will not be able to empty your account.
Regularly update your operating system and bank applications. Developers constantly release patches that close vulnerabilities in the code. Using an outdated version of the software may make the device susceptible to type Man-in-the-Middleattacks, when an attacker tries to spoof data about the payee. Always check the store name on the terminal screen before confirming the payment.
Frequently asked questions (FAQ)
Is it possible to add a Sberbank card to Google Pay on Redmi 9A without NFC?
No, Google Pay and Mir Pay technology for touch payments physically requires an NFC module. Without it, adding a card to these systems for contactless payment is impossible. However, you can use the bank's application to pay using a QR code, which does not require NFC.
Why does the terminal write “Card not found” even though NFC is enabled?
This can happen for several reasons: incorrect positioning of the phone (the antenna may be off-center), swiping too quickly, an active power saving mode, a blocking module, or the presence of a metal case. Try to attach the phone with another part or remove the case.
Is it safe to store card data in the phone?
Yes, it is safer than carrying a plastic card. Card data is not stored in clear text, but is replaced with tokens. To access payments, biometric authorization or a PIN code is required, which protects funds even if the device is stolen.
What to do if payment stops working after updating MIUI?
After major system updates, permission settings may be reset. Check if NFC is disabled and re-grant permissions to the payment application to access geolocation and run in the background. You may also need to relink the card.