NFC in Xiaomi Redmi Note 8 Pro: a complete guide to setup and use

The Xiaomi Redmi Note 8 Pro is still one of the most popular smartphones in the budget segment, despite the release of newer models, one of the key features of this device is support for NFC (Near Field Communication), which allows you to use the phone for contactless payments, fast data transfer and even management of smart devices, but many owners still do not know how to properly configure and apply this feature.

In this article, we will discuss how it works. NFC In Redmi Note 8 Pro, where is the chip physically located, what protocol versions are supported, and how to avoid typical configuration errors: NFC-The chip is integrated into the battery pack, which affects the stability of the battery replacement, and you will also learn why some functions may not work on custom firmware and how to fix it.

What is NFC and why you need it in a smartphone

NFC (Near Field Communication) is a short-range wireless standard (up to 10 cm) that allows devices to communicate without an internet connection. The Redmi Note 8 Pro uses NFC to:

• 💳 Contactless payments via Google Pay, Mi Pay or banking applications (SberBank, Tinkoff, etc.).
• 📱 Fast file transfer between devices (Android Beam, although the function is officially outdated, its analogues still work).
• 🔑 Identifications: tag reading, access to transport (for example, Trinity Card in Moscow), entrance to the office.
• 🏠 Smart home management: Connection NFC-tags for automating scenarios (lights on, coffee maker start).

The main advantage of NFC over Bluetooth or Wi-Fi is an instant connection without passwords and long synchronization. For example, to pay for a purchase, you just need to bring your phone to the terminal for 1-2 seconds. However, the technology has limitations: low data transfer speed (up to 424 kbit / s) and short range.

⚠️ Attention: Redmi Note 8 Pro NFC-The chip only works when the screen is on, and if the phone is locked, contactless payments won't work, that's a security measure.

Wherever NFC-chip in Redmi Note 8 Pro

Unlike many modern smartphones, where NFC-The antenna is built into the back cover, the Redmi Note 8 Pro chip is located under the battery. This is an engineering solution Xiaomi has its pros and cons:

• ✅ Pros: Better protection against physical damage (the chip won’t be damaged by a fall).
• ❌ Cons: when replacing the battery with an informal service, there is a risk of damaging the antenna, which will lead to inoperability NFC.

Physically, the chip is at the top of the device, closer to the camera, which means that to read tags or pay with the terminal, you need to bring the phone with the top of the reader, not the middle or bottom. If NFC does not work, try changing the angle of tilt — sometimes this solves the problem.

How to turn on NFC on Redmi Note 8 Pro: step-by-step instructions

There are two ways to activate NFC in the Redmi Note 8 Pro: through the Quick Settings Panel or the Parameters menu. Importantly, the feature is only available on official MIUI firmware. If you use custom firmware (like LineageOS), NFC may not work or require additional drivers.

Check the MIUI version (should be at least 11)| Open the notification bar | Find the NFC icon and click on it | If the icon is not, go to Settings → Connection and Sharing → NFC|Activate the switch

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Detailed instructions:

1. Unlock your phone and swipe down from top to bottom to open the notification panel.
2. Find the badge. NFC (It's usually located next to Bluetooth and Wi-Fi. If it's not there, click on the icon "⚙️" (gear) in the upper right corner of the panel, then "Edit" and add NFC clap-plate.
3. Click on the NFC icon to activate the function. If the icon is lit in blue, the NFC is turned on.
4. For additional settings go to Settings → Connection and sharing → NFC. Here we can: 🔄 Turn on/off Android Beam (Oddated Data Feature). 💳 Set up default payments (selecting an application for contactless transactions). 📌 Insert label notifications NFC (useful for automation).

⚠️ Attention: If, after activation, NFC Your phone starts to warm up or run out quickly, check if background processes using the technology (such as tagging apps) are running.

How to Use NFC for Contactless Payments

One of the most popular features of NFC is payment by phone. In the Redmi Note 8 Pro, this works through applications like Google Pay, Mi Pay or banking services (SberBank Online, Tinkoff, etc.), The main condition is that your bank must support HCE (Host Card Emulation) technology, which emulates a bank card on your phone.

The Google Pay step-by-step setting:

1. Install the Google Pay app from the Google Play Market.
2. Open the application and add your bank card (you will need to enter the card details and confirm via SMS).
3. After adding the card, go to Settings → Contactless Payments and select Google Pay as the default app.
4. When paying, unlock the phone, bring it with the upper part to the terminal and wait for the sound signal.

Important nuances:

• 🔐 No Internet connection is required for payments – the transaction is made through NFC-chip.
• 🔋 If the battery is below 5%, some terminals may not accept payment (depending on the bank settings).
• 🛡️ For safety after 5 failed payment attempts NFC-chip locks for 1 minute.

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Before making your first payment, check if your bank supports contactless payments via NFC. For example, SberBank needs to activate the “Payments by phone” option in the mobile app.

Data transmission and work with NFC-marker

In addition to payments, the NFC in the Redmi Note 8 Pro can be used to transfer files (although Android Beam is officially outdated) and interact with smart tags.

• 🔊 Turning Wi-Fi or Bluetooth on/off when touching.
• 📵 Running a specific application (e.g., a navigator in a machine).
• 📞 Dialing or sending SMS touchingly.

To work with labels will need:

1. Buy NFC-tags (cost from 50 rubles apiece, sold in electronics stores or on AliExpress).
2. Install a tag programming application, such as NFC Tools or Trigger.
3. Record the action on the tag (for example, turn on the "Do not disturb" mode when touching).
4. Attach the label in a convenient place (on the table, in the car, on the door).

Example of setting up a tag to start the navigator:

1. Open NFC Tools and select "Write".
2. Click "Add Record" → "Application" → select the navigator (for example, Yandex.Maps).
3. Hold the phone to the tag and wait for the recording to be completed.
4. Now, when you touch the tag, the navigator will automatically start.

⚠️ Attention: Some are cheap NFC-Labels may not read Redmi Note 8 Pro due to weak antenna.Please check Xiaomi compatibility reviews before buying.

Frequent NFC Problems and Solutions

Owners of the Redmi Note 8 Pro sometimes experience NFC problems, and here are the most common problems and ways to fix them:

If none of these methods worked, try resetting the network settings or performing a complete phone reset (pre-saving the data!).In rare cases, the problem may be due to a hardware malfunction - then repairs will be needed.

NFC Security: How to Protect Your Data

While NFC is considered a safe technology, there are risks to be aware of:

• 🕵️ Skimming: Attackers may try to read your card details from a distance (although this is difficult due to the short range of the device). NFC).
• 💻 Phishing tags: Scammers can program tags to redirect to malicious sites.
• 🔓 Unauthorized access: If the phone is lost, someone can try using tied cards (although it requires an unlocked screen to do so).

How to defend yourself:

• 🔒 Use the lock screen (PIN, graphical key).
• 🛡️ Enable two-factor authentication in banking applications.
• 🚫 Turn it off. NFC, When not used (this will also save battery life).
• 📱 Do not download applications to work with NFC unverified.

If you suspect that your data may have been compromised (for example, after touching a suspicious tag), immediately:

1. Remove all associated cards from Google Pay/Mi Pay.
2. Check the transaction history in the banking application.
3. Reset your NFC settings (Settings → Connection & Sharing → NFC → Reset).

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The NFC in the Redmi Note 8 Pro supports data encryption, but security depends on your actions as well.Never leave your phone unlocked in public and check your tied cards regularly.

FAQ: Answers to Frequent Questions