NFC Activation on Xiaomi Redmi 9A: Full Guide

Smartphones are no longer just a means of communication, becoming universal tools for payment and data exchange. Budget users often wonder how to enable NFC on the Xiaomi Redmi 9A to enjoy contactless payment. However, before you start setting up, you need to clearly understand the technical limitations of a particular device model.

It’s important to note right away that the Redmi 9A is a simplified version of the popular series, and in most regions, this model is not equipped with an NFC module. Manufacturers often save on components in budget devices, leaving only the basic functionality. So the first step is not to find the switch, but to physically check for the chip in your particular instance.

If you find that the module is still present (for example, in some regional versions or special series), then the activation process will take no more than a minute. In this article, we will examine all the nuances from checking for the technology to setting up Google Pay and alternative payment methods for devices without an embedded chip.

Check for NFC Module in Redmi 9A

Before you go into the system settings, you need to make sure that there is hardware. Xiaomi releases many modifications of its smartphones for different markets, and the configuration may differ. The easiest way is to visually inspect the case and box.

Note the back cover of a smartphone. Often, manufacturers label the technology with the NFC logo or a wave image next to the camera. Also, the information should be listed on the package in the specs list. If the box does not have the appropriate icons, the probability of the module being absent is extremely high.

  • πŸ” Carefully inspect the back panel for the presence of the technology logo.
  • πŸ“¦ Check the technical specification on the factory box.
  • πŸ“± Search the device model on the Internet by code from the settings.
  • 🌐 Find out the region of supply of your smartphone (Global, India, Russia).

⚠️ Note: The lack of a switch in the settings menu in 99% of cases means that in your Redmi 9A There's no antenna or chip, and software can't add this.

You can also check for hardware through the system menu, go to Settings and search the line, type in the word "NFC." If you have a module, the system will suggest you go to the corresponding menu item, and if the search did not give anything, then the hardware is missing.

Standard Activation Procedure through Settings

In those rare cases where a module is present, it is enabled via the standard Android menu. the MIUI shell interface may vary slightly depending on the firmware version, but the logic remains the same.

To activate, swipe the notification curtain from top to bottom. Among the quick settings shortcuts, look for the NFC icon. If it's not in the front row, swipe left or tap the edit pencil to add a button to the panel. Press activates the function and it lights up in blue.

β˜‘οΈ Verification of activation

Done: 0 / 1

A deeper setup is available in the Settings menu β†’ Connection and Sharing β†’ NFC. Here you can choose the emulator mode. To pay in the store, you need to select HCE Wallet or HCE Wallet. This mode allows the smartphone to simulate a bank card.

Once the module is enabled, the system may suggest setting up payment services. Follow the instructions on the screen to link the bank card. Make sure the screen is unlocked when you bring it to the terminal, as this is a security requirement for payment systems.

Google Pay and other payment systems

The main purpose of the module is contactless payment, and Xiaomi smartphones most often use a bundle with Google Pay (or its analogues, such as Google Wallet), after turning on the module in the settings, you need to add a card.

Open the Google Wallet or Google Pay app. Press the add card button and follow the instructions: scan the card with the camera or enter the data manually. The bank will send the confirmation code via SMS or in the bank app. Once successfully linked, the card will become the default payment method.

ParameterValue for paymentValue for transfer
Mode of workHCE WalletAndroid Beam (original)
Screen requirementIncludedIncluded
UnlockingRequired.Not always.
AnnexGoogle WalletGallery/Files
What if Google Pay doesn’t see the card?
Some banks can block adding cards to devices without Google certification.Make sure your Redmi 9A has official global firmware installed and the bootloader unlocked (although for Pay, it's better to keep the bootloader locked).

It's important to keep security in mind. NFC only works at a very short distance, usually up to 5-10 centimeters, which eliminates the possibility of malicious users reading data from a distance, but you shouldn't keep the module on all the time unless you plan to use it right now to save battery power.

Location of the antenna and rules of use

To make a successful payment, it is important to know where the Redmi 9A is located, and in budget models, it is often located at the top of the back cover, next to the main camera module, and when paying, you need to bring this section to the terminal.

A thick case or metal plate on the back can shield the signal. If payment doesn't go through the first time, try removing the case or changing the angle of the smartphone, sometimes by moving the device along the surface of the terminal easily.

  • πŸ“ The antenna is usually located in the upper third of the body.
  • πŸ“΅ Remove the cover if it is too thick or contains metal.
  • πŸ’³ Hold your smartphone still. 1-2 seconds before vibration.
  • πŸ”‹ Make sure that the smartphone is not completely discharged (NFC It works even when the screen is off, but not when the phone is off).

πŸ’‘

For quick payment, add the card widget to the home screen or double-press the power button to call the payment app if such a feature is supported by the MIUI version.

Alternative solutions for models without NFC

If the check confirmed that your Redmi 9A does not have an NFC module, do not despair. There are proven payment methods that do not require an embedded chip.

A bank sticker is a miniature card with an antenna that sticks to the back of a smartphone or a case, and it works on the same principle as the built-in module, and you tie the sticker to the main account in the bank application, and the payment goes through it, and the terminal reads the sticker, not the phone.

⚠️ Warning: Payment sticker can't be re-sticked. If you try to unstick it and re-attach it, the antenna will damage and the sticker will stop working.

Another option is to pay for QR-Many retailers and services support payment through a scan of code with a smartphone camera, which is even faster than finding a contactless terminal, and works on any device with a camera and the Internet.

Diagnostics and troubleshooting

When you have a module, you're on, you don't pay, you need to get diagnosed, sometimes you have a software failure or an application conflict, and you try to reboot your smartphone first, and that solves most of the time errors in the system.

Check if the antivirus or third-party application is blocking access to the communication module, and make sure that the date and time on the device are set correctly, and time mismatch can lead to errors when connecting to payment gateways.

πŸ“Š What payment method do you use most often?
NFC (built-in)
Stickers on the map
QR-bank-appendix
Cash money.

If nothing works, try resetting your network settings. Go to Settings β†’ Connection & Sharing β†’ Reset Wi-Fi, mobile networks and Bluetooth. Note that this action will remove stored Wi-Fi passwords and paired Bluetooth devices, but can restore NFC.

πŸ’‘

If the software reset and flashing did not help, and the module is determined by the system, but is not read by the terminals, a hardware breakdown of the antenna is likely, requiring a visit to the service center.

Can I install the NFC module on the Redmi 9A?
Theoretically, you can replace a plume or a chip, but in practice it's not practical, because the cost of work and parts will exceed the cost of the smartphone itself, and there is no software support for custom equipment from the system, it is easier and cheaper to use a bank sticker.
Why is there an NFC on one Redmi 9A and not on the other?
This depends on the regional version (Global, Russia, India) and the specific year of the batch. Xiaomi often changes the package of models depending on the availability of components and marketing strategy in a particular country.
Does the NFC enabled affect the speed of the phone?
No, the background operation of the NFC module has little or no effect on processor performance or interface speed, and the only noticeable effect is a minimal increase in battery consumption, which is reduced to zero in modern versions of Android.
Is it safe to store Google Pay cards on a budget phone?
Yes, security is provided by tokenization, not your card number, but a one-time code, and even if the phone falls into the hands of fraudsters without an unlock password, it will be impossible to use the cards.