NFC in Xiaomi Redmi 9: where is the module, how to check and activate it

Introduction: NFC in a budget smartphone – myth or reality?

Xiaomi Redmi 9 (model number M2004J19C) has become one of the most popular budget devices of 2020, but the question of the presence of the NFC module is still controversial. Many users mistakenly believe that all modern smartphones are equipped with this technology, but in the case of Redmi 9, the situation is ambiguous. In this article, we will understand whether there is NFC in this model, where it is located (if present), and how to check its performance.

It is important to note that Xiaomi has produced several versions of the Redmi 9 for different regions, and their specifications may differ, for example, the global version (Redmi 9 Global) and the Indian version (Redmi 9 Prime) were different configurations. NFC-Next, we'll analyze all the options and give you an accurate answer.

If you plan to use your smartphone for contactless payments (Google Pay, Mi Pay), data transfer or smart devices (Mi Band, smart locks), this information will be critical.

Is there an NFC in the Xiaomi Redmi 9?

According to the manufacturer, the base model Xiaomi Redmi 9 (codename lancelot) is not equipped with an NFC module.

• 📄 The official website of Xiaomi – in the technical characteristics of the model there is no mention NFC.
• 🔍 Service manuals - in the schemes of the motherboard there is no designation NFC-antennae.
• 🛠️ Disassembly of the device - there is no separate chip or soldering contacts on the board NFC-module.

But there's a nuance: in some regions (e.g. Europe), Redmi 9 NFC (model number M2004J19G) was sold, which differed from the presence of this module, which is externally identical to the regular version, so users often confuse models to determine their version.

1. Go to Settings → About the phone → Model.
2. Compare the model number with the table below.

If your smartphone is not a Redmi 9 model NFC (M2004J19G), If you look for a module, you don't have to find it, because it's not physically present in the device, and then you can consider the alternatives: external. NFC-Tags or changing your smartphone to a model with support for technology (for example, Redmi Note 10 or POCO X3 NFC).

Wherever NFC-module in Redmi 9 NFC?

If you're lucky enough to have a Redmi 9 NFC (M2004J19G), the module is located under the back cover of the device.

• 📍 There's a chip on the motherboard. NFC integrated into the main wireless communication module (together with Wi-Fi and Bluetooth).
• 📶 antenna NFC — It is a thin metal track that runs along the top of the board, next to the camera.
• 🔧 Fixing – the antenna is fixed on a plastic frame and connected to the chip through a flexible plume.

Visually, you can only locate the module after you have completely disassembled the device. The photo below shows the Redmi 9 motherboard. NFC signified NFC-chip (emphasis added in red):

Note: On a real device, the chip can be closed with a screen or metal shield. Self-disassembly without experience can damage the plumes!

For reference: in most smartphones Xiaomi NFC-The module is located at the top of the device (on the speaker side), as this ensures better signal reception when approaching the terminal. NFC antenna runs parallel to the upper end of the body.

How to check the availability and performance of NFC?

Before you disassemble the smartphone, make sure that the NFC is actually in your model and it is on.

1. Open Settings → Connected Devices → NFC.
2. If the NFC item is not on the menu, your model does not support the technology.
3. If there is a point, but the switch is gray, perhaps the module is disabled at the software level (solved by firmware).

For performance testing:

• 💳 Contactless payments: Add a card to Google Pay and try to pay at the terminal.
• 📱 Data Transfer: Activate Android Beam in Settings NFC Try sending the file to another smartphone.
• 🔑 Reading tags: Bring the phone to the NFC-tag (for example, in a store or on an advertising stand).

If NFC is not working despite the presence of a module, the reasons may be as follows:

Attention! ⚠️ If after the firmware update NFC stopped working, try resetting the network settings: → System system → Resetting settings → Resetting Wi-Fi, mobile network and Bluetooth settings.This often helps with software failures.

Can I install NFC in Redmi 9 if I don’t?

Technically add NFC-module 9 (not-NFC Impossible. That's why:

• 🔧 No antenna – even if soldered to the chip, there is nowhere to connect the antenna to receive the signal.
• 📱 No firmware support at the level — MIUI does not contain drivers for NFC, They cannot be added on their own.
• 💰 Economic inexpediency – the cost of rework will exceed the price of a new smartphone NFC.

Alternative solutions:

1. External NFC-tags: buy a sticker with NFC-chip (cost) ~200-500 ₽) Use it to automate tasks (e.g., starting Wi-Fi when holding your phone to a door tag).
2. Bluetooth terminal: portable payment can be used POS-terminal connected via Bluetooth.
3. Smartphone Change: If NFC is critical, consider the POCO X3 NFC, Redmi Note 11 or Redmi 10 2022 models – they support out of the box technology.

⚠️ Attention, there are installation instructions on the Internet. NFC Replace the motherboard with the Redmi 9 version NFC. This is a non-working method - even with a successful replacement fee, there will be problems with the system. IMEI, The risk of bricks in the device is 99%.

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If you need it. NFC For payments only, you can apply for a virtual card in a banking application (for example, in SberBank Online or Tinkoff). QR-code that does not require NFC.

Common Mistakes When Working With NFC in Xiaomi

Even if your Redmi 9 NFC is equipped with a module, users often face problems due to improper actions.

• 🔄 Not updated firmware: old versions MIUI You may not support new contactless payment standards (e.g. Google Pay requires you to use your contactless payments). MIUI 12.5+).
• 📵 Developer mode disabled: some functions NFC (For example, emulation of cards require activation of the debugging option USB.
• 🛂 Bank Blocking: If payments don’t go through, make sure your bank supports contactless transactions via Google Pay (some Russian banks block this feature).

Another common problem is the case conflict, and metal or thick cases can shield the NFC signal, which prevents the smartphone from reading the tags.

If you use NFC for automation (such as with Tasker or Automate), make sure that:

1. In the NFC settings, Read tags mode is enabled.
2. The application has access rights to NFC (check in Settings → Applications → Permissions).
3. The label is written in a compatible format (e.g. NDEF).

⚠️ Attention! Some users are trying to hack" NFC It won't work on non-oppatible models via the engineering menu (#4636###) - the engineering menu allows you to only test existing modules, but not add new ones.

NFC Alternatives for Redmi 9: What can you use instead of contactless technology?

If your Redmi 9 doesn’t support NFC, it doesn’t mean you’re devoid of user-friendly features.

For payments without NFC:

• 💳 Banking applications: SberBank Online, Tinkoff, VTB Online support payment QR-code.
• 📱 Mobile wallets: Apple Pay (for iPhone), Samsung Pay (for Samsung) – if you have a second phone.
• 🖥️ Online banking: payment via the web version of the bank (e.g. Alpha Click).

For data transmission:

• 📤 Mi Share: built-in function in MIUI For fast file transfer over Wi-Fi Direct.
• 🌐 Cloud services: Google Drive, Mi Cloud or Telegram (sending files to yourself).

⚠️ Attention, when used QR-Payment codes: Never scan codes from suspicious sites or messages. QR, redirecting payments to your accounts.

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If NFC is critical to your needs, the only reliable solution is to switch your smartphone to a technology-enabled model, and alternatives (QR, Bluetooth) are not always convenient or versatile.

FAQ: Answers to Frequent NFC Questions in Xiaomi Redmi 9