Xiaomi Redmi Payment Security: A Complete Guide to Protecting Your Money

Xiaomi Redmi smartphones are no longer just phone and text devices, but now they are full-fledged financial assistants, with which we pay for shopping, transfer money to friends, replenish bills and even invest. You don't get any sleep, and security vulnerabilities can cost you all your life. This article isn't about abstract tips like "be careful," but about specific security mechanisms that work on the Redmi Note 12, Redmi. 13C other models of the series.

We will understand how the security architecture works. MIUI When working with payments, we will discuss what unique threats exist for Xiaomi devices (and why they are often overlooked), as well as give step-by-step instructions for setting up protections – from basic parameters to advanced features like Trust Space and hardware encryption. Special attention will be paid to hidden settings, which are not written in the official guides, but which can save your money in a critical situation.

How to make payments on Xiaomi Redmi: from NFC before Mi Pay

The payment ecosystem on Redmi smartphones is built on three key components: hardware (chip). NFC, secure element), software layer (MIUI With built-in services) and third-party applications (banking programs, Google Pay.

The hardware is responsible for the physical security of transactions, for example, in the Redmi Note 11 Pro models.+ And what's new is a separate Secure Element, a chip that stores card data and never sends it directly to the operating system, which means that even if the virus gets into the operating system, it can get into the system. MIUI, It can't steal your credit card information, but it's in a budget model like Redmi. 10A Software emulation can be used instead of hardware Secure Element (HCE), less secure.

At the program level, the payments are MIUI Payments Framework – an internal framework that is integrated with:

• 💳 Mi Pay is Xiaomi’s proprietary payment service (operating in China, India and some European countries);
• 📱 Google Pay – Supported on all Google Mobile Services Certified models (GMS);
• 🏦 Banking applications (Sberbank Online, Tinkoff, Alpha-Click, etc.);
• 🔄 Quick Pay – Quick Pay feature via notification panel (available in China and on global firmware with the help of the appliances) MIUI 14+).

It is important to understand that payment security depends not only on Xiaomi, but also on the bank that issued the card. 3D-Secure 1.0, which are vulnerable to phishing attacks, but European banks have already switched to phishing. 3D-Secure 2.2, where a biometric (fingerprint or facial scan) may be required to confirm the payment directly on the smartphone.

The main threats to payments on Redmi: from viruses to social engineering

Fraudsters adapt to new technologies faster than users can learn how to protect themselves, and the following types of attacks are most relevant on Xiaomi Redmi smartphones:

1. Phishing through MIUI. The attackers are sending out SMS or push notifications with a fake Mi Pay or bank logo, suggesting “confirm payment” or “update card details”; it is especially dangerous that such notifications may appear directly at the Security Center. MIUI, systemic.
2. Exploitation of vulnerabilities in firmware. 2023 A critical vulnerability was identified. CVE-2023-24567 into MIUI 13–14, Xiaomi has released a patch, but many users still do not update the software.
3. Substitution NFC-In places with large crowds (metros, shopping centers), fraudsters can use portable devices. NFC-Readers to intercept card data tied to a smartphone are higher on models without Secure Element (e.g. Redmi) 9A).
4. Malware apps from the Mi App Store.Despite moderation, fake "bank customers" or "wallets" appear periodically in Xiaomi's branded store that steal input data.

A separate category of risks is related to social engineering, and scammers often call users, posing as Xiaomi’s support team, and ask:

• 🔑 «Confirm the code from SMS» (It is actually a code to reset the Mi Account password);
• 📲 «Install Remote Management with Quick Support or AnyDesk;
• 💰 «Transfer money to a verification account to unlock payments».

⚠️ Note: Xiaomi support service never asks for bank card details, codes from the SMS or access to your smartphone screen. All official notifications come only through Settings. → Mi Account → Communications.

Step-by-step setting up the security of payments MIUI

To minimize risks, it is enough to configure the smartphone correctly. Below is a checklist of mandatory actions for all Redmi models (relevant to the current model). MIUI 14–15).

Update. MIUI last-minute|Enable two-factor authentication for Mi Account|Set up the screen lock with PIN-code (minimum 6 characters)|Turn off notifications on the locked screen|Remove unused banking applications-->

Now let’s look at each item in more detail.

1. Update MIUI and firmware

Vulnerabilities in old firmware are the main loophole for scammers.

1. Go to Settings → About the phone → System update.
2. Click Check Updates and wait for the latest version to download.
3. If the update does not come automatically, download it manually from the official Xiaomi website (select the Global region or the local area). EEA Europe).

⚠️ Note: Never install firmware from third-party sites (for example, 4PDA) — They may contain backdoors to steal payment data.

2. Two-factor authentication (2FA) for Mi Account

Mi Account is the key to all Xiaomi services, including Mi Pay and Mi Cloud, and if hacked, attackers can:

• 🔓 Reset passwords from tied banking applications;
• 📱 Delete data from the device via Find Device;
• 💳 Confirm payments through SMS (If your number is tied).

To enable 2FA:

1. Open the Settings. → Mi Account → Security.
2. Select two-step verification and follow the instructions.
3. Save your backup codes in a safe place (e.g., KeePass or on paper).

3. Screen lock setting

There are several unlock methods available on Redmi, but not all are equally secure:

To set up the lock:

1. Go to Settings → Lock screen → Password and security.
2. Choose Add Fingerprint or Install PIN-code.
3. Enable the option Lock when charging (in the section Additional) so that the phone does not unlock spontaneously when connected to the device. USB.

💡

In the models with AMOLED-screen (e.g. Redmi) K50) Turn off Always On Display in lock settings. It may accidentally show notifications from banking apps that are visible to outsiders.

Protection NFC and contactless payments

Technology NFC Redmi is used not only for payments, but also for data transfer (Android Beam), tags (Mi Tag) and even unlocking doors. This creates additional risks:

1.Switch off. NFC background

By default. NFC Redmi is still active even when the screen is locked, which is convenient for quick payments, but dangerous: a scammer can bring a reader to your pocket and write off money (if you have a card tied without confirmation:

1. Open Settings → Connections and Sharing → NFC.
2. Turn off the option to turn on when the screen is locked.
3. Enable Unblocking Required for Payments (available on) MIUI 14+).

2. Mi Pay setup (if available in your area)

The Mi Pay service operates on the principle of Apple Pay, but has its own features:

• 🔒 Cards are stored in Secure Element, but only on chip models NXP PN80T (For example, the Redmi Note 11 Pro 5G).
• 📶 Payments require an internet connection (unlike Google Pay, which works offline).
• 🛡️ Supports dynamic CVV (The security code changes with each payment).

To add a card to Mi Pay:

1. Open the Mi Pay app (if not, download from the Mi App Store).
2. Click Add the card and scan it or enter the data manually.
3. Confirm the link via SMS from the bank.
4. In the card settings, enable a confirmation for each payment.

⚠️ Note: If you sell or transfer your Redmi to another person, be sure to remove all cards from Mi Pay via Settings → Annexes → Mi Pay → Warehouse → Clear the data. Just resetting to factory settings isn't enough!

3.Alternatives: Google Pay vs Banking Apps

If Mi Pay is not available in your area, use:

• 📱 Google Pay – supports tokenization (the real card number is not transferred to the seller). → Google → Google services → Payments Make sure Confirmation for Contactless Payments is enabled.
• 🏦 Banking applications (Sberbank Online, Tinkoff, VTB) Many of them support Host Card Emulation (HCE) — It's a virtual card emulation without Secure Element. It's less secure, but it's better than paying through a secure card. SMS.

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On the Redmi models with MIUI You can’t use Mi Pay and Google Pay at the same time, you have to choose one service.

Hidden settings MIUI advanced

Xiaomi Redmi has security features that aren’t mentioned in the official instructions, but can save your money.

1. Trust Space (Safe Space)

Trust Space is a sandbox for sensitive applications (bank clients, wallets), and the applications inside it are isolated from the rest of the system and cannot be hacked through vulnerabilities. MIUI. To turn on:

1. Go to Settings. → Special facilities → Trust Space.
2. Create a password to access (it should be different from the main one) PIN-phone-code!).
3. Add to Trust Space banking applications through Add Apps.

After that, applications will only be launched after entering a separate password, and their data will not be able to intercept other programs.

2. Prohibition of installation from unknown sources

Many viruses are spreading through Redmi. APK-files downloaded from the Internet to block this loophole:

1. Open Settings → Applications → Special Access → Install unknown applications.
2. For each browser (Chrome, Mi Browser) and file manager, disable the Allow Installation permission from this source.

3. Control of permissions for applications

Bank applications and wallets should not have access to:

• 📸 Camera (unless it's a check scanner);
• 📍 Geolocation (can be used to determine your location);
• 📞 Call log (Crackers can analyze who you are calling).

To check the permits:

1. Go to Settings → Applications → Application Management.
2. Select a banking application (for example, SberBank Online).
3. Press Permissions and turn off all the excess.

What to do if the money was written off by fraudsters

If you notice an unauthorized payment, act immediately – you only have 24 hours to challenge the transaction at most banks.

1.Blocking of card and accounts

First thing:

1. Call the bank at the number on the back of the card and block it.
2. Cancel all active sessions in the banking application (Settings) → Security → Active devices).
3. Change your Mi Account password through Settings → Mi Account → Security.

2. Checking the smartphone for viruses

Use the Mi Security Scan (built-in) MIUI antivirus):

1. Open the security center. → Antivirus → Verification.
2. Choose Deep Check (it will take 10-15 minutes).
3. If threats are found, remove suspicious apps and restart your phone.

For more check, download Malwarebytes from Google Play – it’s better than detects spyware.

3. Bank and police appeal

Follow the rules:

1. Bank: Write a fraud report (a sample is usually on the bank's website); state the date, time and amount of the chargeback; request a chargeback.
2. Police: Submit a report to the local office or through the portal of the Ministry of Internal Affairs of the Russian Federation. Attach screenshots of transactions and correspondence with fraudsters (if any).
3. Xiaomi: If the hack occurred through a vulnerability MIUI, Write support through Settings → Review or mail security@xiaomi.com.

⚠️ Warning: Never settle for a “refund” through a transfer to another account – this is a classic scam scheme to charge you even more.

FAQ: Frequent questions about payment security at Redmi