NFC on Xiaomi Redmi 9A: How to turn on, configure and use in 2026

Xiaomi Redmi 9A — One of the most popular budget smartphones, but many users face confusion when trying to turn on NFC. The fact is that not all versions of this model are equipped with a short-range contactless chip, and in those where it is, the function is often hidden in non-obvious sections of the menu. NFC-module in your Redmi 9A, activate it through settings MIUI, We also look at common mistakes and ways to fix them.

It’s important to understand that even if your smartphone supports the technology, it depends on the firmware version, regional restrictions, and even installed banking applications. We’ll go into detail at every step, from basic verification to fine-tuning for contactless payments. If you plan to use Redmi 9A to pay via Google Pay or Mi Pay, this guide will help avoid common problems.

Check NFC support for Xiaomi Redmi 9A

Before you try to turn on NFC, make sure that your Redmi 9A is equipped with this module at all. The fact is that Xiaomi has released this model in several versions, and not all of them support contactless communication.

• 🔍 Model number. Go to Settings. → The phone. → If there are letters in the title NFC (for example, M2006C3LG marked NFC Edition, module present. If the model M2006C3LVG or M2006C3MI — He probably isn't.
• 📦 Box and documentation. The original packaging or specifications on Xiaomi’s website should have a support note. NFC. Note: Some sellers include this feature in the description, even if it is not – always double-check.
• 🔧 Diagnostics through the engineering menu. Type in the phone app code ##4636##, then select Phone Information. NFC, module.

If none of the methods have confirmed the existence of NFC, Further attempts to include the function are meaningless. In this case, consider the alternatives: NFC-tags (e.g., to automate tasks) or change your smartphone to a technology-enabled model (e.g., Redmi Note 10 or a new model). POCO X3 NFC).

How to turn on NFC on Redmi 9A

If your smartphone supports NFC, you can activate it in a few steps. MIUI may vary depending on the firmware version, but the general logic remains the same.

1. Open Settings. Find the gear icon on the home screen or in the app menu.
2. Go to Connections and Sharing. In some versions of MIUI, this item may be called Wireless Networks or Network and Internet.
3. Find the "NFC" option, which is usually located next to Bluetooth and Wi-Fi Direct. If you don't have one, try searching by settings (the magnifying glass icon in the upper right corner).
4. Activate the slider. Move the switch to the "On" position, and then a ready-to-use notification may appear next to you.
5. Configure options (optional). Tap on NFC to open additional options: Android Beam (for file transfer) or Secure Communication (for payments).

If NFC doesn’t work after you turn on, try the following:

• 🔄 Reboot your smartphone. Sometimes the module only activates after a reboot.
• 📱 Update your firmware. Go to Settings. → The phone. → Update the system and install the latest patches.
• 🛠️ Reset the network settings. This can help if the problem is a wireless module conflict. → System system → Reset → Resetting network settings.

Important: on some versions of MIUI for Redmi 9A, the NFC function is hidden and requires activation via the engineering menu. If the standard method did not work, try entering the code ##36446337## and finding the NFC item in the module list.

Setting up NFC for contactless payments

Turning on NFC is only half the battle, and using your smartphone to pay for it will require additional adjustment.

1. Install a banking app. For Google Pay, download it from the Play Market (if it's not available in your area, use a VPN). Alternatively, Mi Pay (pre-installed on some firmware).
2. Add a card. Open the app, follow the instructions for linking your credit card, and you may need to confirm via SMS or a bank call.
3. Set up default payments. In Settings → Applications → Default Apps → Contactless payments, select your banking app.
4. Check the compatibility of the terminal. Not all payment terminals support NFC-Payment from Android. Look for a sign at the checkout.

If there is an error in payment, check:

• 💳 Not all Russian banks work with Google Pay after 2022. Check with your bank for alternative ways (e.g. SBP or World Pay).
• 📵 Power saving mode. Turn it off in the battery settings, it can block the operation. NFC background.
• 🔒 Screen lock: For security, most banking apps require unlocking your phone before paying (PIN, graphical).

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If the terminal does not accept payment from the phone, try to bring the smartphone to another place at the checkout – sometimes the NFC antenna is located not in the center, but on the side.

Common Problems and Their Solutions

Even if NFC is enabled, Redmi 9A users often experience errors, and we've collected the most common ones and ways to fix them:

If you use a custom version of MIUI (such as Xiaomi.eu or LineageOS), the NFC function may not work properly.

1. Check if your firmware supports NFC (the information is available in the developer forum).
2. Upgrade to the latest version or revert to the official MIUI.
3. If the problem remains, reset (Settings → System → Reset), but back up the data beforehand.

Using NFC to Transfer Data and Automation

The NFC on Redmi 9A can be used not only for payments, but also for:

• 📲 File Transfers. Activate Android Beam in Settings NFC, Then you can hold the two phones back to each other, and you'll see a transmission notification on the screen (photos, contacts, links).
• 🔑 Task automation: With apps like Trigger or Automate, you can program your smartphone to do touch actions. NFC-tags (for example, turn on Wi-Fi at home or start the navigator in the car).
• 🎫 Reading e-tickets: Many transport cards (e.g. Troika in Moscow) support reading through the Internet. NFC. Install the appropriate app (e.g. My transport).

For data transfer via Android Beam, it is important to:

• Both devices must support NFC and have Android Beam enabled.
• The screen of the transmitting phone must be unlocked.
• Files should be opened in the appropriate application (for example, photo in the gallery).

If you plan to use it NFC-Automation tags, take into account:

• Tags can be rewritable (you can change commands) and disposable (read only).
• To record commands, you will need an application like NFC Tools (available in the Play Market).
• The reading distance is up to 10 cm, but optimally - 1-3 cm.

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The NFC on the Redmi 9A consumes minimal energy, but it is recommended to keep the battery above 20% for stable operation of payment systems.

Safety in the use of NFC

NFC technology is convenient, but it's not without risks.

• 🛡️ Scan protection: Attackers can read data from your phone from a distance to a distance. 10 To minimize the risk, turn off the NFC, When not using it, or set up an automatic shutdown 5-10 minutes of inactivity.
• 🔐 Lock the screen. Always use PIN-code, pattern lock or biometrics, and without unlocking, most payment systems will not allow a transaction to be made.
• 📵 Check terminals. Before paying, make sure there are no suspicious patches at the checkout - they can be used to intercept card data.

If you suspect that your card details may have been compromised:

1. Block the card immediately through the bank’s mobile application.
2. Remove it from payment systems (Google Pay, Mi Pay, etc.).
3. Contact the bank to issue a new card.

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For additional protection, enable transaction notifications in your mobile bank, so you will immediately know about unauthorized write-offs.

⚠️ Warning: Never store pictures or screenshots of bank cards (even cropped) on your phone, and attackers can retrieve the number, expiration date and CVV, Especially if you have malicious applications installed.

Alternatives if the NFC on the Redmi 9A is not working

If your Redmi 9A doesn’t support NFC or if your module is out of order, consider the following options:

• 💳 Chip-based bank cards, a classic payment method that doesn't require a smartphone, and many terminals support both contactless cards and chip cards.
• 📱 QR-Systems like SBP or AliPay allow you to pay for purchases through scanning. QR-It's not a code from a phone screen. NFC.
• 🔌 External NFC-Adapters. There are. USB-C MicroUSB adapters with NFC-chip (e.g, ACR1255U). They connect to the phone and emulate the module, but require root rights or special software.
• 🔄 Update your smartphone. NFC Critical to you, consider switching to a guaranteed-support model: Redmi Note 11 NFC, POCO X5 Pro or Xiaomi 12 Lite.

When choosing an external NFC-Adapters pay attention to:

• Compatible with Android and your version of the firmware.
• Availability of drivers or official software from the manufacturer.
• User reviews – some adapters only work with root rights.

⚠️ Attention: Use of external NFC-Adapters may violate Xiaomi’s warranty, and these devices often do not support secure payment protocols (such as Google Pay), which limits their functionality.

FAQ: Frequent questions about NFC on Xiaomi Redmi 9A