NFC in Xiaomi Redmi 9C: full instructions for setting up and using

Xiaomi Redmi 9C is a budget smartphone with limited functionality, but even it has hidden useful features. One of the most talked about is NFC (Near Field Communication) support. Unlike flagship models, where the NFC chip is activated by default, in Redmi 9C its work depends on the firmware region and the version of MIUI. In this guide, we will discuss how to check the presence of the module, turn it on in the settings and use it for contactless payments, data transfer and work with tags.

It is important to understand that not all versions of Redmi 9C fitted NFC-So, for example, models for the Indian market (M2006C3MII) This module is often lacking, while European and global versions are often lacking (M2006C3MG) We'll show you how to accurately identify your modification and avoid common customization errors. NFC, If the chip is not physically present.

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

Before you try to set up NFC, make sure your smartphone is equipped with it. There are three reliable ways to check:

  • πŸ” Look for the label on the box: look for the inscriptions Β«NFCΒ» or "Near Field Communication" on the specification sticker.
  • πŸ“± Check the model in settings: go to Settings β†’ The phone. β†’ Model: If the model ends in G, for example, M2006C3MG), chance NFC higher.
  • πŸ› οΈ Use the diagnostic menu: enter the code ##4636## in the phone app, then select Phone Information and search for the line NFC.

If none of the methods confirmed the presence of the module, your Redmi 9C It probably doesn't support technology, and you might consider buying an external one. NFC-adapter (e.g., based on a chip) PN532), plug-in USB-C But these devices require root rights to work with payment systems.

πŸ“Š You've tried using it before. NFC on the Xiaomi?
Yeah, it's working.
I tried it, but it didn't work.
No, I'll find out.
I don't have NFC on my phone.

Activation of NFC in MIUI settings

If the chip is present, you can turn it on through the standard menu, instructions are relevant for MIUI 12, 13 and 14:

  1. Open Settings (the gear icon on the main screen).
  2. Go to Connect and Share (or Wireless Networks in older versions).
  3. Slip on NFC. If it is not, then your firmware does not support the function (solution – see the next section).
  4. Move the NFC slider to the "On" position.
  5. For contactless payments, activate the option Mobile payments (you will need to link a bank card).

Once activated, the status bar (top right corner of the screen) will show an NFC icon, which is a confirmation that the module is working. If the icon is not there, try restarting the phone or updating the firmware to the latest version.

Check the phone model for NFC support

Update MIUI to the latest version

Make sure that SIM-Card supports mobile payments (for Google Pay)

Download an NFC testing application (e.g. NFC Tools)

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Why NFC May Not Be in the Settings Menu

Even if your Redmi 9C physically equipped NFC-chip, the settings may not have the appropriate item:

Problem.Reason.Decision
No NFC item in settingsFirmware for a region without NFC (e.g. India)Install global firmware (EU/Global) via Fastboot
NFC is activated but not workingConflict with the MIUI shellReset network settings (Settings β†’ System β†’ Settings Reset β†’ Resetting Wi-Fi, mobile network and Bluetooth settings)
NFC badge flashes and disappearsProblems with antenna or contactsCheck the integrity of the back cover (the NFC antenna is located below it)
You can’t add a card to Google Pay.No HCE (Host Card Emulation) certificationUse alternative payment systems (e.g. Mi Pay for China)

Critical information: In MIUI firmware for Redmi 9C with build number below V12.0.8.0.QCFMIXM, the NFC function can be blocked at the software level. Check the version in Settings β†’ About Phone β†’ MIUI version.

How do I find out the exact version of the firmware?
Open Settings β†’ About your phone and tap 5 times on the line MIUI version. there will be an additional menu with detailed information, including the Assembly Number and the firmware region.

Configure contactless payments via NFC

The main application of NFC in smartphones is payment for purchases.

  1. Install the Google Pay app (for international cards) or Mi Pay app (for Chinese banks).
  2. Add a bank card: Open the app and click Add a card. Scan the card or enter the data manually. Confirm via SMS or push notification from the bank.
Settings β†’ Connect and share β†’ NFC β†’ Mobile payments β†’ Select the default application

For successful payment, keep your phone at a distance of 2-4 cm from the terminal.

  • πŸ”„ Restart your phone and try again.
  • πŸ’³ Make sure the card supports contactless payments (it should have a PayPass or PayWave icon on it).
  • πŸ“Ά Check your internet connection (online verification is required for the first card binding).

πŸ’‘

If Google Pay doesn't work, try installing GPay SQL Bypass from the XDA Developers store.This is a workaround for uncertified devices, but requires caution - only use proven sources.

Using NFC for data transfer and labeling

In addition to payments, NFC in Redmi 9C can be used to:

  • πŸ“² Fast transfer of files between devices with NFC (For example, photos or contacts, you just need to attach the phones to each other and confirm the transmission.
  • 🏷️ Readings/recordings NFC-Download the app. NFC Tools from Google Play to: Create tags to automatically turn on Wi-Fi or Bluetooth. Run specific applications when you touch a tag. Save text notes or links.
  • πŸš— Connections to smart devices (e.g., contactless pairing with speakers or car radios).

To record the tag in NFC Tools:

  1. Open the application and select "Write".
  2. Specify an action (e.g., β€œOpen URL” or β€œEnable Wi-Fi”).
  3. Attach the phone to a clean label (such as NTAG213 or NTAG215).
  4. Confirm the tape.

πŸ’‘

NFC-The tags are cheap (from 50 rubles apiece) and can greatly simplify routine tasks, such as a door tag that can automatically turn on your home Wi-Fi and play music when you touch it.

Solving NFC Problems on Redmi 9C

If NFC is unstable or refuses to turn on, try the following steps:

⚠️ Note: Do not use metal cases – they shield the signal NFC. Also avoid placing magnets near the top of the phone (there is an antenna).

  • πŸ”§ Resetting settings NFC: Settings β†’ Annexes β†’ Application management β†’ Three dots (menu) β†’ Show system-based β†’ NFC β†’ Warehouse β†’ Clear the data
  • πŸ“² Testing of the antenna: if NFC It stopped working after the phone fell, maybe the antenna contact went away, and then you need to disassemble the device.
  • πŸ”„ Firmware update: some bugs NFC Corrected in new versions MIUI. Check for updates in Settings β†’ The phone. β†’ Updating the system.

If the problem persists, try testing. NFC using a third-party application, for example, NFC Check, it'll show you if the phone recognizes others. NFC-If the test fails, it's probably a hardware problem.

NFC alternatives for Redmi 9C without chip

If your Redmi 9C doesn’t support NFC, consider the following options:

  • πŸ’³ PayPass Bank Cards: Carry a Physical Card with Contactless Payment.
  • πŸ“± External NFC-adapter: USB-C NFC Reader (e.g., Reader, ACS ACR1255U) β€” plug-in OTG-cable. NFC-a ring or bracelet with a chip that is tied to a bank card.
  • πŸ”— QR-Payment codes: Many terminals support payment through scanning QR (For example, SberPay or Tinkoff).

⚠️ Attention: External NFC-Adapters often require root access to emulate bank cards, which can compromise device warranty and security.

FAQ: Frequent questions about NFC in Redmi 9C

My Redmi 9C doesn't see NFC in the settings. What do I do?
Your model is probably not equipped with an NFC chip. Check the labeling on the box or enter the code ##4636## in the phone app. If there is NFC but is not on the menu, install global firmware via Fastboot.
Can I add NFC to the Redmi 9C if I don't?
You can’t physically add the chip, but you can use external adapters (for example, via USB-C), but full payments will require root rights and modified software, which is not secure.
Why Google Pay is not working when NFC is enabled
Your firmware is probably not certified for HCE (card emulation technology).Try Mi Pay (for China) or install GPay SQL Bypass at your own risk.
How to reset NFC settings to factory settings?
Go to Settings β†’ Applications β†’ NFC β†’ Storage β†’ Clear Data. If the item is missing, perform a full phone reset (Settings β†’ System β†’ Reset).
Can I use NFC to open doors?
Technically, yes, but only if the door controller supports smartphones with NFC Type A/B. To emulate key cards (for example, EM-Marine) will require specialized software like NFC ReTag and root access.