How to find out if there is NFC in the smartphone Xiaomi Redmi 9: detailed instructions with verification

Xiaomi Redmi 9 is one of the most popular budget smartphones, but its specifications often raise questions. NFC-This is a chip that you need for contactless payments, tags and smart devices. In this article, we'll look at all the ways to verify the data. NFC Redmi 9, including official data, visual inspection and hidden Android settings.

It’s important to understand that Xiaomi has released several Redmi 9 modifications for different markets, and NFC availability depends on the specific version.We’ll take a detailed look at how to determine the model of your device and check for support for the technology without special tools.

1.Official Specifications: Which Redmi 9 Versions Support NFC

The first and most reliable way is to check the official specifications of your model. Xiaomi Redmi 9 was released in several versions, and only a few of them are equipped with the official specifications of your model. NFC-chip.

The main versions of Redmi 9:

  • πŸ“± Redmi 9 (Global, M2004J19G) β€” without NFC (most common)
  • πŸ“± Redmi 9 NFC (Europe, M2004J19Y) β€” s NFC (Special version for Europe)
  • πŸ“± Redmi 9T / 9 Power - with NFC (A separate line, often confused with the basic model)
  • πŸ“± Redmi 9A / 9C β€” without NFC (simplified versions)

If you bought a smartphone in Russia, Ukraine or Asia, you probably have a version without NFC. European models (marked M2004J19Y) support the technology, but they are difficult to find in the secondary market.

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To find out exactly the model, look at the sticker under the battery cover or type ##4636## in the dialer and find the line "Model number".

2. Visual check: where to look NFC-antenna in Redmi 9

NFC-The chip in smartphones is usually located under the back cover next to the battery. In Redmi 9, it can be detected if you remove the lid (provided you have a collapsible model).

Signs of NFC presence:

  • πŸ” Metal plate size ~1Γ—1 cm under the battery labeled NFC or PN80T (most common chip)
  • πŸ” Additional contact tracks on the motherboard near the battery connector
  • πŸ” Certification sticker NFC Forum on the inside of the lid (rare but encountered)

⚠️ Warning: Disassembling your smartphone voids your warranty.If you're unsure of your skills, use software-based verification methods.

If you don't want to disassemble the phone, look out for the box and documentation.The European versions of the Redmi 9 NFC have the appropriate labeling on the package (usually an NFC icon next to the logo).

πŸ“Š You have already checked your Redmi 9 for availability. NFC?
Yeah, through the settings.
Yeah, I took my phone down.
No, I'm just going to.
I don't know how to do that.

3. Verification through Android settings: step-by-step instructions

The easiest way is to check for NFC in the settings menu.

  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. Scroll down and look for NFC or Contactless Payments.

If there is no such item, your Redmi 9 does not support NFC. In some firmware, the option may be hidden, then the following method will help.

β˜‘οΈ Verification NFC customized

Done: 0 / 4

⚠️ Note: On some custom firmware (for example, LineageOS) item NFC It can be displayed even without a physical chip, and it won't work.

4.Use of engineering menu and diagnostic codes

If NFC-There's a chip, but the option is hidden in the settings, and you can use the engineering menu, and this method requires caution, because the wrong actions can disrupt the phone.

Instructions:

  1. Open the phone app and enter the combination: ##4636##
  2. In the menu that opens, select Phone Information.
  3. Scroll down and find the RFID/NFC section. If you have one, your smartphone supports the technology.

Alternative code for checking hardware components:

##284##

After entering, an NFC test should appear (if the chip is present).

Important: On models without NFC, these codes will either fail or show a feature not supported error.

5. Verification through third-party applications

If previous methods have failed, you can use special utilities from Google Play, which scan hardware components and show the presence of the device. NFC-chip.

Recommended annexes:

  • πŸ“± CPU-Z β€” In the Sensors or Hardware section, look for the line NFC.
  • πŸ“± AIDA64 β€” Go to the Devices. β†’ NFC.
  • πŸ“± NFC Check – a specialized utility for checking support.

Example of display in CPU-Z:

AnnexSectionWhat to look forExample (if there is an NFC)
CPU-ZSensorsNFC linePN80T NFC Controller
AIDA64DevicesNFC clauseSupported: Yes
NFC CheckMain screen screenStatusNFC available

⚠️ Note: Some applications may show false positive results on emulation firmware NFC. Use it for accuracy. 2-3 utility.

6. Test using a contactless card or tag

If you have an NFC bank card or a smart label (like for doors), you can check your smartphone in practice:

  1. Activate NFC in the settings (if there is a paragraph).
  2. Bring the phone to the card or tag at a distance of 1-2 cm.
  3. If a device is detected, the NFC will work.

For the test, you can use:

  • πŸ’³ Credit card (Mir, Visa PayWave, Mastercard Contactless)
  • πŸ”‘ Mark for intercom or office pass
  • πŸ“± Another smartphone with NFC (data-transmitting)

If there is no reaction and the NFC settings are on, it is possible that the chip is faulty or physically missing.

What if NFC is in the settings but does not work?
This may be due to: - Disabled chip in the firmware (you need to reflash the phone); - damage to the antenna (check after falls or repairs); - Conflict with the MIUI shell (try resetting the network settings).

7.Alternative methods: if NFC is not available, but it is needed

If your Redmi 9 doesn’t support NFC, but you need the technology, consider the following options:

  • πŸ”„ Buy the outside. NFC-adapter (connected through the USB-C Or audio jack. The cost is from 500 rubles.
  • πŸ“± Use the second smartphone with NFC For payments (e.g. old Xiaomi Mi) A2 Or the Redmi Note 8 Pro).
  • πŸ’³ Order a bank card with a chip – many terminals support card insertion instead of contactless payment.
  • πŸ”§ Install custom firmware (e.g. Pixel Experience) if NFC disabled at the program level.

⚠️ Attention: External NFC-Adapters often require root rights and may not work with contactless payments (tag reading only).

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The NFC in Redmi 9 is regionally dependent; the European model (M2004J19Y) supports the technology, while the global model (M2004J19G) does not.

FAQ: Frequent questions about NFC in Xiaomi Redmi 9

Can I install NFC in Redmi 9 if I don’t?
No. NFC-chip soldered into the motherboard, and it can not be added after the fact without a full replacement of the board (which is economically impractical).
Why is my Redmi 9 NFC in the settings but not working?
Probable causes: No antenna (damaged during repair); Chip disabled in firmware (must be reflashed); Conflict with the MIUI shell (try resetting). Check through the engineering menu (#4636##) or test utilities.
What Xiaomi NFC models can you buy instead of the Redmi 9?
Budget alternatives with NFC: Redmi Note 10 (all versions); Poco X3 NFC; Redmi 9T (a separate model, not to be confused with the basic Redmi 9); Mi A3 (if you need a pure Android).
Can the NFC in Redmi 9 work after a battery replacement?
Yes, if the antenna is intact. NFC-The chip is on the motherboard, and the antenna is usually integrated into the back cover or the battery compartment, and if you don't replace the battery properly, you can pull the antenna off, in which case. NFC stop working.
How to distinguish Redmi 9 from Redmi 9 NFC when buying
The main differences: marking on the box: Redmi 9 NFC pin NFC Next to the logo; model number: M2004J19Y (NFC) vs M2004J19G (without NFC); Sales region: NFC-The version was officially shipped only to Europe. β†’ The phone. β†’ Model.