How to connect and configure NFC Xiaomi Redmi 9T: Complete guidance with solutions to typical errors

Xiaomi Redmi 9T โ€” One of the most popular budget smartphones with technology support NFC, But many users have difficulty setting it up, and unlike the flagship models, where the chip is activated automatically, it requires manual tuning through hidden menus. MIUI. In this article, you will learn not only how to include NFC on the Redmi 9T, How to link bank cards, configure transport applications, and fix common errors (e.g., โ€œthe device does not support contactless payments").

The main feature of this model is the lack of a visual indicator. NFC In the notification curtain (unlike the Redmi Note 10 Pro or POCO X3). This confuses beginners into thinking that the chip doesnโ€™t exist at all. In fact, the module is present (Redmiโ€™s official specification confirms). 9T signified M2010J19SG), But it depends on the firmware version and the regional settings. MIUI 12.5, 13 and 14 โ€“ and ready to share working solutions.

Verification of availability NFC-module 9T

Before you set up, make sure your smartphone is actually equipped with a chip. NFC. At Redmi. 9T There are two modifications:

  • ๐Ÿ“ฑ M2010J19SG (global version - with NFC;
  • ๐Ÿ“ฑ M2010J19SC (Chinese version - without NFC.

To test the model:

  1. Open the Settings. โ†’ The phone.
  2. Find the model (or model number) line.
  3. Compare it to the table below.
ModelNFCRegion
M2010J19SGโœ… There is.Europe, Russia, India
M2010J19SIโœ… There is.Indonesia
M2010J19SCโŒ No.China
M2010J19SYโœ… There is.Global (rarely)

If your model is not included in the list, check through the specifications on the Xiaomi website or using the application. CPU-Z (hardware โ†’ NFC). Note: Chinese versions (with the suffix "C") do not have antennas. NFC โ€” No firmware or hacks will help add it.

๐Ÿ“Š You've tried to include it. NFC on his Redmi 9T?
Yeah, but it didn't work.
No, I'm just going to.
I have a different model of Xiaomi.
I don't know if there's an NFC.

2. How to turn on NFC via settings MIUI

At Redmi. 9T option NFC It is hidden deep in the menu โ€“ it is not in the quick settings (unlike the Redmi Note 11 or the Redmi Note). POCO F3). Follow the instructions:

  1. Open the Settings. โ†’ Connection and Sharing (or Connection & Sharing).
  2. Scroll down to the Other wireless network features block.
  3. Tap it on. NFC (If there is no paragraph, see Section 3).
  4. Activate the switch in the upper right corner.

After the activation, a notification will appear: "NFC Turn it on. Tap it to the tag to interact. Now you can test it with the device:

  • ๐Ÿ’ณ Bank cards (Google Pay, SberPay);
  • ๐Ÿš‡ Transport cards (Troika, Strelka);
  • ๐Ÿ”‘ Smart locks (Mi Home, NFC-marker).

โ˜‘๏ธ Preparation for setup NFC

Done: 0 / 4

Important: if, after inclusion, NFC Smartphone doesnโ€™t respond to cards or tags, try it:

  1. Reset the device.
  2. Turn off/turn on NFC repeatedly.
  3. Check if the case is blocking the antenna (it is located at the top of the rear panel).

3. What to do if there is no item in the settings NFC

Lack of option NFC Menu โ€“ a frequent problem with Redmi users 9T. Causes and solutions:

Problem.Decision
The outdated MIUI firmwareUpdate the system through Settings โ†’ Software Update
Regional restrictionsChange the region to "Russia" or "India" in Settings โ†’ Additionally. โ†’ Region
There is no configuration fileInstall. MIUI NFC Tool from Google Play
System failureReset network settings: Settings โ†’ Memory. โ†’ Reset โ†’ Resetting network settings

If the update didnโ€™t work, try manual activation via the engineering menu:

  1. Open the Phone app.
  2. Enter the combination: ##4636###.
  3. Go to the phone information.
  4. Scroll down to NFC and turn on the option.

โš ๏ธ Note: The engineering menu may not be available on some versions MIUI. Do not change other parameters in this section - this will lead to malfunctions in the smartphone.

Alternative Methods through ADB
If the standard methods do not work, you can include NFC via computer ADB-For this purpose: 1. Install Platform Tools on PC. 2. Get Redmi on board. 9T down USB (Turn on the debugging. USB In Settings โ†’ The phone. โ†’ Version. MIUI โ†’ 7 once you hit the version). 3. Enter the command: adb shell settings put global nfc_enable 1 4. Reboot your smartphone. Risk: Incorrect commands can disrupt your system. Use only if you are confident in your actions.

4.Configure contactless payments (Google Pay, SberPay)

After activation NFC You can link your bank cards. Instructions for Google Pay:

  1. Download the Google Pay app from Google Play.
  2. Open it and press Start.
  3. Add a map: take a picture of it or enter the data manually.
  4. Confirm via SMS from the bank.
  5. Install Google Pay as the default payment app: Settings โ†’ Apps โ†’ By default โ†’ Payment.

For SberPay or World Pay, the algorithm is similar, but there are nuances:

  • ๐Ÿ’ก SberPay requires binding to the account of SberBank Online;
  • ๐Ÿ’ก World Pay works only with Mir cards and requires confirmation through the issuing bank;
  • ๐Ÿ’ก Some banks (Tinkoff, Alfa-Bank) block the addition of cards to uncertified devices.Solution: request unlocking in the bank's support.

โš ๏ธ Note: if you make a payment error "Device not certified", check: No root rights (root); Originality of firmware (castom assemblies block payments); availability of updates in Google Play Services.

๐Ÿ’ก

Before the first payment, add Google Pay to the battery optimization exceptions: Settings โ†’ Battery โ†’ Optimizing the battery โ†’ All applications โ†’ Google Pay โ†’ No limits, it'll prevent payment disruptions.

5.Use of NFC for transport cards (Troika, Strelka)

Redmi 9T Supports emulation of transport cards through the Metro Moscow, Troika.Buy or Strelka applications:

  • ๐Ÿš‡ It works only with virtual cards (no physical triplets can be attached to the phone);
  • ๐Ÿ“ฑ Required. MIUI 12.5+ (Older versions may have problems);
  • ๐Ÿ”‹ NFC must be on constantly (the "Included upon unlock" mode is not suitable).

Instructions for the Troika:

  1. Download Metro Moscow from Google Play.
  2. Register and link your bank card.
  3. Buy a virtual triple in the section Transport cards.
  4. Activate it through NFC: Put your phone to the validator on the subway.

For Strelka (Moscow region):

  1. Install the Shooter app.
  2. Enter through the public services or by phone number.
  3. Go to My cards. โ†’ Add the Arrow.
  4. Choose the rate and pay.
  5. In the card settings, enable the option to use to pay through NFC.

Important: Virtual transport cards only work when the screen is unlocked, and if the phone is turned off or locked, the validator will not be able to read the data.

6. Solving common problems with NFC on the Redmi 9T

Even after setting it up correctly, users are faced with errors, and we have collected typical cases and ways to fix them:

Problem.Reason.Decision
NFC is activated but not workingConflict with cover or filmRemove the case, check the antenna (top of the case)
Google Pay doesn't see the mapNot original firmware.Check it out for the official. MIUI via Mi Flash Tool
Error "Device not supported"Bank blocks uncertified devicesPlease contact the bank for support with IMEI phone
NFC shuts down on its ownOptimizing the batteryAdd in. NFC Exceptions: Settings โ†’ Battery โ†’ Optimization
Labels don't read.Weak antenna signalPut your phone closer to the tag (1-2 centimeter)

If the problem is not solved, reset the NFC settings:

  1. Go to Settings โ†’ Applications โ†’ Application Management.
  2. Find it. NFC list.
  3. Slip the vault. โ†’ Clear the data.
  4. Reboot your smartphone.

โš ๏ธ Attention: after resetting settings NFC All associated cards in Google Pay or in the transport applications will be removed.

๐Ÿ’ก

If none of the methods worked, check the performance. NFC-module with the help of a test application NFC Tools from Google Play. If the app doesn't see the chip, there may be a hardware defect (see service center).

7. Alternative ways to use NFC

Besides payments, NFC on the Redmi 9T can be used:

  • ๐Ÿ”‘ Smart locks: compatible with Mi Home Door Lock, Nuki, Aqara;
  • ๐Ÿ“ฑ Fast File Transfer: via Android Beam (settings: Settings) โ†’ Additionally. โ†’ Android Beam);
  • ๐Ÿท๏ธ Automation: Starting scripts with the help of NFC-Tags (Trigger, Automate applications);
  • ๐ŸŽฎ Gaming controllers: Connecting wireless gamepads (e.g, 8BitDo).

To work with NFC-marker:

  1. Buy the tags. NTAG213/215/216 (stand ~50โ‚ฝ piecewise).
  2. Install. NFC Tools or Trigger.
  3. Write down an action (such as turning on Wi-Fi or starting Spotify).
  4. Attach the phone to the activation tag.

Example of automation: stick a label on the bedside table and program it to:

  • ๐Ÿ”• Initiation of silent mode;
  • ๐ŸŒ™ Setting the brightness of the screen to 30%;
  • ๐Ÿ“– Launching a book reading app.

FAQ: Frequent questions about NFC on Redmi 9T

โ“ Can I include? NFC on the Chinese version of Redmi 9T (M2010J19SC)?
No, the Chinese versions are not physically equipped. NFC-It's a hardware constraint that you can't get around software.
โ“ Why Google Pay says โ€œDevice is not certified"?
This error occurs for three reasons: Custom Recaveri is installed (TWRP) or root rights; firmware MIUI modified (not official build); Bank blocks uncertified devices (solved by a support call). Check the certification status in Google Play Protect: if the device is not certified, try resetting it to factory settings.
โ“ How to transfer a transport card from phone to phone?
Virtual transport cards (Troika, Arrow) are linked to an account in the application, not to the device. To transfer: Log in the application (for example, Metro Moscow) on a new phone; In the My cards section, find your Three; Click Activate on this device; Attach the new phone to the validator for confirmation. The old card on the old device will automatically be assigned the status of "Inactive".
โ“ Why? NFC It does not work with a locked screen?
It's a security limitation. MIUI. For contactless payments or tag readers, the screen must be unlocked, except for transport cards (Troika, Arrow), which work in a locked state, but only if "NFC Always active"; Transport card app added to battery optimization exceptions; Smartphone doesn't overheat (at temperatures above 40)ยฐC NFC shutdown).
โ“ Can I use Redmi? 9T payable?
Yes, but with reservations: ๐ŸŒ Google Pay works everywhere that accepts contactless payments (Visa/Mastercard); ๐Ÿš‡ Transport cards (Troika, Strelka) โ€“ only in Russia; ๐Ÿ’ณ Local payment systems (such as Alipay in China) may not be supported. Before traveling, check: Does your bank support overseas transactions; Is the option "Overseas payments" enabled in the card settings; Is there any limit on the amount for contactless transactions.