How to connect NFC to Xiaomi Redmi 9C: full instructions

Budget smartphone owners often face the desire to use contactless payment, but the device’s specifications may limit these options. How to connect NFC to the Xiaomi Redmi 9C is one of the most discussed questions in the user communities of this model. Many users mistakenly believe that the feature is simply hidden in the settings or requires activation through an engineering menu.

In fact, the Near Field Communication module has its own nuances to consider before any software manipulation. In this article, we will discuss in detail the hardware component of the smartphone, the methods of verifying the presence of the chip and possible alternatives for making payments. It is important to understand that software activation is impossible if the physical module is not on the board.

Before you start looking for settings or firmware of third parties ROM-You need to make a thorough diagnosis of the current state of your gadget, which will help to avoid wasting time installing broken patches and applications.

Technical specifications and availability of NFC module

The first step in solving the problem is to refer to the official documentation of the manufacturer. Xiaomi releases various modifications of its smartphones for different markets, and the configuration may differ significantly. The Redmi 9C (model number M2006C3MG) is positioned as an ultra-budget solution, where each component undergoes strict cost control.

Analysis of technical specifications posted on the official website and in authorized service centers shows that the NFC module is not standard, which means that the physical chip for near-contact communication is not soldered on the device's motherboard. Without this hardware component, software activation methods do not make sense.

However, there are global versions and modifications that support additional frequency bands, but even in them functionality is often reduced to reduce the price. Users sometimes confuse the presence of an infrared port (for control equipment) with NFC, but these are completely different technologies with different ranges and purposes.

⚠️ Note: Attempts to flash software from other models (e.g. Redmi 9 or Note 9) in order to "add" NFC This can cause a smartphone to be completely inoperable (brick).

To confirm the absence of the function, you can use the table comparing the characteristics of various modifications of the Redmi 9 line, where the difference in equipment is clearly visible:

Smartphone modelPresence of NFCProcessorAndroid version (stock)
Redmi 9CNo.MediaTek Helio G35Android 10
Redmi 9There are (in some versions)MediaTek Helio G80Android 10
Redmi 9ANo.MediaTek Helio G25Android 10
Redmi 9TThere is.Snapdragon 662Android 10

As the data shows, older or more expensive models in the series have the option, while the Redmi 9C lacks the option, which is standard market segmentation practice for budget devices.

πŸ“Š Do you have any? NFC on the Redmi 9C?
Yeah, I found it in the settings.
No, no module.
I don't know where to look.
I use third-party apps.

Methods of software verification of the presence of NFC

If you doubt the specification information or suspect that you have a rare regional version, you can run a software diagnostic. Android-based MIUI provides tools to view the list of available hardware. First of all, you should look at the standard settings menu.

Go to Settings β†’ Connection and Sharing (or Additional Features in older firmware versions) if the list does not include β€œNFC”, this is the first sign of its absence, but sometimes the module can be hidden or disabled at the regional settings level.

You can do a deeper analysis with system applications or third-party software. Install a diagnostic application, such as AIDA64 or Device Info HW. These ulites read information directly from the registry and clearly show the list of available sensors and communication modules.

  • πŸ“± Run the installed diagnostic application and go to the "System" or "Devices" section".
  • πŸ” Find a line "NFC" β€” If there is no line or no line, there is no module.
  • πŸ“‘ Check the "Network" section to clarify supported communication standards.
  • βš™οΈ Use the code ##6484## to log in to the engineering menu (CIT), if it is available in your firmware.

You can also find hardware tests on the CIT, and if the NFC test is not listed or if it's running, it's a hardware error, it's not the manufacturer's hardware, and you don't have to try to force a non-existent component.

πŸ’‘

Use the Google Play app "NFC Check" for quick checks, and if it says "NFC is not available on this device," it means there is no module.

Why NFC settings can be hidden

Sometimes users are faced with a situation where the specification module is stated, but the interface MIUI is not. this is often due to regional restrictions. Smartphones designed for markets where contactless payment is not developed (for example, some countries in Asia or Africa), can come with disabled software.

In such cases (if you have a physical chip), changing the region helps. Go to Settings β†’ Additional settings β†’ Region and select a country with an NFC infrastructure, such as India, Singapore or Russia. After changing the region and rebooting, a menu item may appear.

However, for the Redmi 9C, this method unfortunately does not work, since the problem is not in the software, but in the hardware. The manufacturer simply does not install the antenna and controller in this model. Attempting to change the region here will only change the list of preinstalled applications and the format of the date, but will not add new features.

⚠️ Warning: Changes in region may affect some system applications and advertising services MIUI, So do it consciously.

There is a myth that a firmware update can unlock hidden features. This is a misconception. Security updates and Android versions (MIUI 12, 13, 14) do not add hardware support that was not laid down by engineers in the design of the board.

Alternative methods of contactless payment

Despite the lack of native NFC, Xiaomi Redmi 9C owners can take advantage of alternative payment methods.Technology has stepped forward, and Google Pay or Mi Pay are not the only in-store payment methods.

One of the most popular ways is to use QR-Many banking applications (Sberbank, Tinkoff, Alfa-Bank) support payment by QR-It requires the Internet to be turned on, but it works in a stable and secure way.

Another option is to use wearables, and if you have a fitness bracelet or an NFC-enabled smartwatch (like the Mi Band with a chip or the Amazfit watch), you can tie it to a card and pay for your purchases by bringing your wrist to the terminal rather than your phone.

How does the pay-by QR-code?
In the application of the Bank selected item "Payment for QR-The camera scans the code on the terminal or check, and then the transfer amount is confirmed. NFC, but using a camera and the Internet.

There are also special external NFC-tags or rings that can be worn separately, but they require pre-recording data, which is impossible for bank cards with tokenization (protection) without a built-in module in the device itself for initial settings.

Use of external NFC-tagging and reading

For those who need to read the tags (for example, for a smart home or reading transport maps), there are external solutions. USB-port (OTG) Readers can be a way out, although it is inconvenient for everyday payment in the store.

Outside NFC-The reader is connected to the Micro-USB connector or via an adapter OTG. The smartphone defines it as a peripheral device, and it will require special applications that support external controllers, such as: NFC Tools (with plugins) or software from the reader manufacturer.

  • πŸ”Œ Buy compatible USB NFC-reader (e.g, ACR122U quilt).
  • πŸ“² Install drivers and an application to work with an external device.
  • πŸ’³ Connect the reader only when you need to read or write data.
  • πŸ”‹ Keep in mind that the external device consumes the battery of the smartphone.

This method is more suitable for enthusiasts and developers than for ordinary users who want to quickly pay for coffee.

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Frequently Asked Questions (FAQ)

Can we determine NFC-antennae independently in the service?
It's theoretically possible, but it's not economically feasible, so you'll need to replace the motherboard with a different model (which is impossible because of the different cases and connectors), or you'll need to have the most complex soldering of components, antennas, and reflashing of controllers, which will cost more than a new NFC phone.
Why does Google Pay say β€œYour device is not certified”?
This can happen if the phone has a bootloader unlocked or superuser rights installed (Root).To work with payment systems, Google Play Protect must be active. Try to hide the Root rights or return the stock firmware.
Does the lack of NFC affect the speed of the smartphone?
No, the absence of an NFC module has no effect on CPU performance, internet speed, or other functions; on the contrary, it even saves battery power a little, since background tagging services are not active.
Does NFC file transfer work on Redmi 9C?
No, file transfer (Android Beam), which worked over NFC in older versions of Android, is also not available. Use Bluetooth, Wi-Fi Direct or Mi Drop (Mi Share) to transfer files.
Will NFC be available in Redmi 9C after upgrading to Android 12 or 13?
No. Software updates can't create physical hardware. If a chip isn't installed in a factory, no operating system update will add that feature.

In conclusion, it is worth noting that Xiaomi Redmi 9C β€” It's a great budget machine for basic tasks, but contactless payment is not part of its functionality. QR-The code remains the most convenient and safest way to pay for this model.Don't trust questionable instructions for "activating hidden features" as they can harm your device's software.

πŸ’‘

The lack of NFC on the Redmi 9C is a hardware limitation that cannot be circumvented by software methods without replacing the device.