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

What is NFC and why is it needed in the Redmi Note 8 Pro?

Technology NFC (Near Field Communication in Xiaomi Redmi Note 8 Pro is not just a module for contactless payments, it is a universal tool that turns a smartphone into a door key, a subway pass or a smart home remote control, NFC It operates at a distance of up to 10 cm, making it safer for financial transactions.

At Redmi Note. 8 Pro is a chip used NXP PN547 — same as in the flagships 2019-2020 That means supporting all modern standards: ISO 14443 (credit card), ISO 18092 (for data exchange; and MIFARE (The main advantage of the model is hardware support. HCE (Host Card Emulation, which allows you to emulate bank cards without a physical chip.

But many owners do not even suspect that their smartphone can:

• 💳 Operate as a full-fledged payment terminal (via Google Pay Business)
• 🔑 Open electronic locks in hotels and offices (compatible with Salto) KS, Assa Abloy)
• 🚇 Emulate transport cards (in some regions – even Troika or Arrow)
• 🤖 Automate tasks through tags NFC (For example, turn on Wi-Fi when touching a sticker on your desktop)

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

Activation of the module takes less than a minute, but there are nuances.Redmi Note 8 Pro NFC It's not on by default -- you have to manually activate it:

1. Open Settings → Connection and Sharing
2. Tap on point. NFC (In some cases, it is hidden behind the)
3. Move the slider to the on position.
4. Select mode of operation: Read only - for scanning the Card tags - for emulating bank / transport cards P2P — data exchange between devices

⚠️ Attention: if the items NFC No menu, check the firmware version. Old builds. MIUI 11 and below, the module could have been disabled at the core level. MIUI 12.5+ through settings → The phone. → Updating the system.

Is the firmware up to date MIUI 12.5 or newer?

Is the mobile internet activated (required for Google Pay)?

Is the back shield film removed (can block the signal)?

Is there a payment app (Google Pay, SberPay) installed?

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After activation, check the performance:

1. Bring your phone to the bank terminal – an icon should appear. NFC screen-on.
2. Try counting any one. NFC-tag (for example, a sticker from the Yeelight smart lamp kit).
3. Open Google Pay and try adding a card – the system should offer the option “Add via” NFC".

Contactless payments: setting up Google Pay and alternatives

Redmi Note 8 Pro is officially certified to work with Google Pay, but there are regional restrictions: in Russia, Belarus and Kazakhstan, all features are available, and in some CIS countries, it may be necessary to bypass geo-blocking.

Instructions for setting:

1. Download Google Pay from the Play Market (if the app is not available, use APKMirror).
2. Open the app and log in to your Google account.
3. Click Add Card → Credit or debit card.
4. Scan the map or enter the data manually.
5. Confirm via SMS or push notification from the bank.
6. You can pay by unlocking your phone and bringing it to the terminal.

🔹 Alternatives to Google Pay:

• 💰 SberPay – works with Sberbank cards, supports cashback up to 10%
• 🍎 Apple Pay - no, it's not a joke! through iOS emulation on custom firmware (but risky)
• 🌍 Garmin Pay/Fitbit Pay – if you have a smartwatch from these brands
• 🏦 Banking applications – many banks (Tinkoff, Alfa-Bank) have built-in support NFC-payment

⚠️ Note: If payments do not pass, check:

• Is the Flight mode on (it turns off) NFC)
• Is there an energy-saving firmware installed (for example, MIUI Lite)
• Not damaged? NFC-antenna (located under the top of the back cover)

Transport cards: can you emulate a triple or arrow

The issue of emulation of transport cards through NFC — Technically, the Redmi Note 8 Pro supports the most controversial. MIFARE Classic and MIFARE Ultralight, but there are legal and technical limitations.

Here's what works guaranteed:

• 🚇 Reading the balance of transport cards (through applications such as: NFC Tools or MIFARE Classic Tool)
• 🔄 Replenishment through terminals (if the card supports online balance)
• 📱 Use of virtual maps in official applications (for example, Metro Moscow for Troika)

🔹 What's not working:

• ❌ Full emulation of Troika or Arrow without root rights (blocked at level) MIUI)
• ❌ Protected cloning cards MIFARE DESFire (used in new transport systems)
• ❌ Working in the subway without internet (virtual cards require online verification)

💡

If you just need to top up your transport card via your phone, use the app. NFC Tools Pro. It can read. UID Maps and balances without the internet.

Automation with NFC-Labels: From smart home to workflows

One of the most underrated functions NFC — Automation. With inexpensive tags (from 50 rubles apiece), you can customize it:

• 🏠 Turning on a smart home when touching your phone to the sticker at the door
• 🚗 Starting the navigator and connecting to a Bluetooth magneto in the car
• 🎵 Enabling the playlist "For Work" when touching the tag on the table
• 🔋 Switching to energy saving mode at night

You'll need to set up:

1. Buy NFC-stickers (recommended) NTAG213 or NTAG215 — They are compatible with all smartphones).
2. Install Trigger or Automate (for complex scenarios) NFC Tools (for simple teams).
3. Program the tag: 1. Open up. NFC Tools → Record 2. Select "Add record" → "Reference/Text/Task" 3. Specify the action (e.g., open URL or turn on Wi-Fi) 4. Hold the phone to the recording label

🔹 Examples of ready-made scenarios:

• 🛏️ Good night: The label on the nightstand turns off the sound, turns on "Do Not Disturb" and triggers white noise.
• 💼 Work mode: the label on the desktop includes mobile Internet, opens Trello and turns off notifications from social networks.
• 🚗 Car mode: the tag in the car includes Bluetooth, launches Yandex.Navigator and sends SMS family with expected arrival time.

💡

NFC-The tags only consume energy when they're written or read, and the rest of the time they're passive and don't drain the phone.

Hidden functions NFC: From Diagnostics to Undocumented Opportunities

Module NFC The Redmi Note 8 Pro has more than the official documentation says. Here are some unique features that few people know about:

🔹 Diagnostics NFC through the engineering menu:

1. Enter the dialer in ##4636##
2. Select Phone Information → Menus. NFC
3. Here you can check: The strength of the antenna signal (should be) >50% Supported protocols (should be ISO-DEP, NFC-A, NFC-B) Status HCE (It should be Enabled)

🔹 Use of the NFC camera-like:

Using the application NFC Camera Trigger can be set to a label that will be:

• Take a photo with a delay
• Switch cameras (main/front)
• Turn on/off flash

🔹 Exchange of contacts NFC (Android Beam):

While Android Beam is officially removed in new versions of Android, Redmi Note 8 Pro can bring it back:

1. Install Android Beam Enabler from Play Market.
2. Activate the module in the application settings.
3. Open the contact you want to send.
4. Bring the phone to another device with NFC — data will be transmitted automatically.

⚠️ Warning: Undocumented features can cause system instability.Before experimenting, back up through Settings → Additionally. → Backup.

Problems with NFC Redmi Note 8 Pro: Diagnostics and Solutions

If NFC It stopped working or didn’t work properly, here’s the diagnostic algorithm:

🔹 Hardware problems:

If NFC It stopped working after falling or getting moisture, most likely damaged antenna. In the Redmi Note 8 Pro, it is a thin loop around the camera. Self-repair is possible, but requires care:

1. Remove the back cover (need a mediator and a hair dryer to soften the glue).
2. Check the integrity of the antenna tracks (they must be continuous).
3. If the antenna is torn, replace it (Article: Xiaomi) 190426-001).

💡

Before disassembling the phone, be sure to turn off the battery! In the Redmi Note 8 Pro, it is connected via a connector. JST 1.0 - gently tuck it with a plastic spatula.

FAQ: Answers to Frequent Questions