How to clean up NFC-Xiaomi phone tag: 5 proven ways

Why? NFC-Xiaomi tags can get in the way – and when to remove them

NFC-tags in Xiaomi smartphones (including Redmi models and POCO) They usually work invisibly until they start causing problems, and users experience situations where the phone spontaneously responds to subway tags, bank terminals, or even other people's smartphones in transit. NFC-The chip activates unwanted payments, opens unknown links, or vibrates constantly when approaching the tags.

Reasons for deleting or disconnecting NFC-markings vary:

• 🔄 Bank card conflict: phone tries to pay for purchase instead of card in wallet.
• 🚇 False positives in the subway or on the pass (for example, on Xiaomi 13 Pro with the help of the new model) MIUI 15).
• 🔋 Increased battery consumption due to constant scanning of the surroundings.
• 🛡️ Security: Risk of data interception through vulnerable tags (relevant to enterprise devices).

It is important to distinguish hardware NFC-The first ones can't be physically removed, but you can turn off or block them, and the second ones can be completely erased.

Method 1: Disabling NFC in MIUI settings

The easiest method is to deactivate the NFC module through the settings menu.This will not remove the tags, but will stop them from scanning and responding to external signals. The instructions are relevant for MIUI 14/15 and most Xiaomi models (including the Redmi Note 12, POCO F5, Xiaomi 14).

How to turn it off:

1. Open Settings → Connections and Sharing.
2. Slip on the item NFC (on some firmware - Contactless payments).
3. Transfer the NFC slider to the off position.
4. To completely disable, also deactivate Android Beam options and Default Payments (if any).

What does it mean?

• ✅ Accidental activations stop when approaching the labels.
• ✅ Saves up to 3-7% of battery life per day (based on Xiaomi tests) 12T).
• ❌ Does not remove stored tags from the phone’s memory (only blocks their use).

⚠️ Note: On some models (e.g, POCO X5 Pro after disconnection NFC Contactless door keys stop working (if they are tied via Mi Home) and check before deactivating if you are using them.

Method 2: Remove the saved NFC-Tags via Google Pay or Mi Pay"

If the phone responds to specific tags (such as opening a website or running an app), they can be removed from the device’s memory, most often saved through Google Pay, Mi Pay or NFC Tools apps.

Instructions for Google Pay:

1. Open the Google Pay app.
2. Go to the section Maps and travel →
3. Click on the label you want to remove and select Remove.

For Mi Pay (relevant to China and some regions):

1. Run Mi Pay (if not installed, download from GetApps).
2. Slip on the icon • • • (menu) → Card management.
3. Choose. NFC-tag and press Remove.

⚠️ Note: If the tag was written through a third-party application (such as Trigger or Automate), it should be removed directly in it.

Method 3: Reset NFC settings via engineering menu

If standard methods do not help, you can reset the settings. NFC This method is suitable for Xiaomi on Qualcomm processors (for example, Redmi Note 11 Pro).+, POCO X4 GT). For MediaTek (e.g. Redmi) 10C) method may not work.

Step-by-step:

1. Open the phone app and enter the code: ##4636##
2. In the menu that opens, select Phone Information.
3. Scroll down and find the NFC (or RFID) partition.
4. Slip NFC Reset or Clear NFC Data.
5. Reboot the phone.

What does the dumping do:

• 🧹 Deletes all temporary data NFC-chip (cache, logs of operation).
• 🔄 Returns the module settings to factory.
• ❌ Does not delete tags written into protected memory (e.g., bank cards).

Method 4: Removal NFC-marker ADB (power-user)

If the tags are written to system files (e.g., via Xposed or modified firmware), they can be removed using ADB. This method requires an unlocked bootloader and enabled debugging over USB.

Instructions:

1. Connect your phone to your PC and open Command Prompt (or Terminal on Mac/Linux).
2. Enter the commands in turn: adb shell su rm -rf /data/nfc/*.ndef rm -rf /data/nfc/push/* exit exit exit
3. Reboot the phone.

Warnings:

• 🔧 Root rights are required (for most Xiaomi, getting them results in a loss of warranty).
• 💥 Incorrect commands can damage system files.
• 🔍 Before deleting, back up the folder. /data/nfc/.

💡

Before using ADB, check if USB debugging is enabled in Settings → About Phone → MIUI version (tap 7 times according to version, then go back to Additional → For Developers).

Method 5: Physical disconnection NFC-antennas (extreme case)

If the software methods do not help, NFC-Labels create critical problems (e.g., self-payments), you can physically disable the antenna, and it's an irreversible process that will make it impossible for you to use contactless payments and other features. NFC.

How it works:

• 📱 NFC-The antenna in Xiaomi is usually located under the back cover, next to the camera or battery.
• 🔌 Disconnection occurs by cutting the contacts of the antenna or shielding it with foil.
• ⚠️ Requires disassembly of the phone (risk of damage to other components).

Step-by-step (for models with removable back cover, for example, Redmi 9A):

1. Turn off the phone and remove it. SIM-map.
2. Remove the back cover with a plastic shoulder blade (heat the edges with a hairdryer at 60°C).
3. Find it. NFC-An antenna is a thin metal track with an inscription NFC.
4. Carefully cut the antenna contacts or seal it with aluminum foil.
5. Collect your phone and check for no response to tags.

⚠️ Attention: Physical disconnection NFC voids warranty and may result in loss of functionality (e.g. Mi Band will stop unlocking the phone!

💡

Physically disabling NFC is a last resort, and software methods solve the problem 90% of the time (methods 1-4).

Diagnosing NFC Problems: How to Know if Labels Are Really Intruding

Before you remove NFC-Labels, make sure that they're the problem:

• 📱 Phone vibrates for no reason in subways, shops or near terminals.
• 💳 Notifications appear on the screen New NFC-Labels discovered or Request for payment.
• 🔗 Browser spontaneously opens unknown links.
• 🔋 Battery discharges 15-20% faster than usual (check in Settings) → Battery → Use of the).

How to check for NFC activity:

1. Install the NFC Check app from Google Play.
2. Run a scan of the surroundings.
3. If the application finds tags within a radius of 5-10 cm without your participation, the problem is confirmed.

It is also useful to check the log of the positives:

1. Open Settings → Applications → NFC.
2. Slip the vault. → Logs (if the item is available).
3. Look at the tags that have been scanned recently.

Frequent questions about NFC on Xiaomi