How to set up NFC on Xiaomi Redmi 9C: from activation to contactless payments

What is NFC in Xiaomi Redmi 9C and why it is set up

Xiaomi's NFC (Near Field Communication) technology allows data to be shared up to 10 cm without an internet connection. In the Redmi 9C (model M2006C3LG), the NFC chip is built into the hardware platform, but it depends on the firmware version and regional constraints.

Contactless payments via Google Pay, Mi Pay or banking apps, file transfers using Android Beam (older versions of Android), tag readers to automate tasks (such as running Wi-Fi when touching a label on your desktop), but many users face the problem: the settings menu simply does not have an “NFC” option.

The Redmi 9C came in several versions: the global (Global) and the China (China) version. In Chinese models, NFC is often turned off at the software level, even if the chip is physically present. Check the markings on the box or in the settings (Settings → About Phone → MIUI Version). If you see MIUI Global, the chances of working NFC are higher.

How to check if there is NFC in your Redmi 9C

Before you set up, make sure your smartphone supports the technology at all. Here are 3 reliable ways to check:

• 🔍 Check through Settings: Go to Settings → Connections and sharing → NFC. If there is no point, the chip is either missing or blocked.
• 📦 Box and documentation: On the original Redmi packaging 9C s NFC There must be a sticker with a logo NFC or mention in specifications.
• 🤖 Specialized applications: Install NFC Tools from Google Play. The app will show if the chip is detected, even if it is disabled in the app. MIUI.

If the NFC Tools app gives you an error, "NFC not available," but you're sure of the model, it's a problem with the firmware. In this case, only flashing to the global version of MIUI (more on this below) will help. Please note that the Redmi 9C NFC (the modification with the NFC suffix in the name) has a guaranteed chip, and the base version of Redmi 9C only has some regional versions.

NFC Step-by-Step Setting Up on Xiaomi Redmi 9C

If the chip is present and not locked, activation will take no more than 5 minutes.

1. Open Settings (the gear icon on the main screen).
2. Go to Connections and Sharing (or Wireless Networks in older versions of MIUI).
3. Slip on NFC. If you don't have one, search for settings (the magnifier in the upper right corner) and type "NFC."
4. Activate the slider NFC. Additional may be included: 💳 Contactless payments (for Google Pay) 📲 Android Beam (Data Transfer)

To check, bring the phone to another. NFC-A beep or a notification must be given to the device or tag.

Important: In MIUI 12 and later, the NFC can be hidden in the “Additional” section of the “Connections” section. If payments do not work after activation, check if your bank blocks them (especially for Mirror, Tinkoff and Alfa Bank cards).

Configure contactless payments via NFC

To pay for your phone, it's not enough to just turn on NFC. You need to link your bank card to a payment service. Redmi 9C supports:

• 💳 Google Pay (works with most banks in Russia and CIS)
• 🏦 Mi Pay (only for China, in Russia is not relevant)
• 📱 Banking applications (SberBank Online, Tinkoff, VTB, etc.)

Instructions for Google Pay:

1. Install Google Pay from Google Play.
2. Open the app and click Add the card.
3. Take a picture of the card or enter the data manually. Confirm the link via SMS from the bank.
4. After adding the map, go to Settings → Security → Unlock the screen and install it PIN-A code or a pattern lock. Without a lock screen, payments won't work!

For banking applications (on the example of Sberbank Online):

1. Open the bank app and look for the contactless payments section or "NFC-payment".
2. Follow the instructions for linking the card to the phone (confirmation may be required by SMS or in the bank branch).
3. After binding, turn on the option "Pay by phone" in the card settings.

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If payments fail, try turning off the power saving mode for Google Pay or a bank client. Go to Settings → Applications → Battery Management → Apps selection and remove restrictions.

Common Problems and Their Solutions

Even when set up properly, NFC can be unstable, and here are some common errors and ways to fix them:

If none of these methods work, check the integrity of the antenna. NFC. At Redmi. 9C It's located under the back cover, next to the camera, and the antenna damage often happens after the phone falls or disassembles, and you can diagnose the problem at the service center, and you can use a tester to do this. NFC-signal.

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Before visiting the service center, back up your data. NFC diagnostics may require you to reset your settings to factory settings.

How to unlock NFC on Chinese firmware Redmi 9C

If your Redmi 9C is on Chinese firmware (MIUI China), the NFC option in the settings will be hidden, even if you have a chip.

Method 1: Reflashing to Global MIUI

The most reliable method is to install an official global firmware.

1. Download the latest version of MIUI Global for Redmi 9C from Xiaomi Firmware.
2. Go to Settings → About Phone → System Update and click on the three dots in the top right corner. Select Select the firmware file.
3. Specify the path to the downloaded file and wait for the installation to be completed.

After the reboot, the NFC will appear in the settings. Attention: Flashing will reset all data, so back up in advance.

Method 2: Editing settings through ADB

For experienced users, there is a workaround without full flashing:

adb shell settings put global nfc_enabled 1


adb shell am broadcast -a android.intent.action.AIRPLANE_MODE --ez state false

These commands include NFC at the Android level, but do not work on all versions of MIUI. To execute commands, you need an ADB debugging bridge and the enabled USB debugging option in the developer settings.

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If NFC still doesn't work after flashing, try resetting the network settings: Settings → System → Settings Reset → Resetting Wi-Fi, mobile network and Bluetooth settings. This often helps with communication module conflicts.

Security with NFC on Xiaomi

NFC-Devices are vulnerable to several types of attacks:

• 🕵️ Skimming: Attackers can read card data up to 10 cm away using portable readers.
• 💸 Relay attack: Scammers intercept signal between phone and terminal, increasing payment distance.
• 📱 Label substitution: Malignant NFC-Labels can be redirected to phishing sites.

To protect yourself:

1. Turn off NFC when not in use. In Redmi 9C, this can be done through the Quick Settings Panel (swipe down from the top edge of the screen).
2. Use NFC shielded covers (such as metallized inserts).
3. Do not bring your phone to unknown persons. NFC-marker.
4. Set the limit for contactless payments in the bank application (usually up to 1000-3000 rubles without entering a PIN).

⚠️ Attention: At Redmi 9C no hardware encryption NFC-Transactions (as opposed to Xiaomi’s flagships with an eSE chip) mean that card data is transmitted in plain sight between the phone and the terminal.

FAQ: Frequent questions about NFC on Xiaomi Redmi 9C