The NFC chip is a kind of proximity device. It’s used to establish wireless connection with an external device via radio waves.
NFC technology is primarily used for contactless payment systems, as well as for sharing data between mobile devices.
If NFC is powered on your phone, you can send information like links and app shortcuts with other people by tapping the two phones together. In this article, you will know more about NFC in Xiaomi Redmi K40S.
Does Xiaomi Redmi K40S have NFC technology?
Yes, NFC technology is available on Xiaomi Redmi K40S and you can enable it from settings.
How to turn on NFC on Xiaomi Redmi K40S? – Activate NFC
You can activate NFC on Xiaomi Redmi K40S from the home screen by swiping down from the top then tapping on the NFC icon and it will be turned on. Also, you can activate the feature from settings:
– Go to settings.
– press on connections and sharing.
– Swipe up to find NFC.
– Turn on the NFC switch.
You can turn the feature off whenever you want especially if you want to save your phone power. If you don’t know how to use NFC on Xiaomi Redmi K40S in terms of paying and scanning tags, continue reading this article as everything about NFC will be clarified.
How to scan the NFC tag on Xiaomi Redmi K40S?
In order to scan a tag with an NFC scanner on Xiaomi Redmi K40S, it is first necessary to download a tag writer app like NFC TagWriter by NXP.
After you learn how to download and use the NFC writing apps by reading the next paragraghs, you then just need to hold your phone near the tag and scan it.
How to share files using NFC from Xiaomi Redmi K40S to an Android smartphone?
Download “send anywhere” app in both devices. In the first device, open the app and tap on share option in the top left corner. As for the other device, tap on yes I agree and close the window. Next, in Xiaomi Redmi K40S, tap on:
– Newly installed apps.
– Send anywhere.
– Media files from screenshot or another folder.
Now remove the mark from the first two options and keep it for the files you want to send them. Next, click on send and got it.
– click on the upper right icon
– Choose while using the app.
– Tap on the arrow in the bottom left corner.
Now Insert the key you see in Xiaomi Redmi K40S on the other device, then choose while using the app. In Xiaomi Redmi K40S , tap on yes I agree then close the window and tap on the photo or file in both phones.
Does Xiaomi Redmi K40S have apps for NFC?
To run NFC on your Xiaomi Redmi K40S, you can install third – party apps for tasks automatization or download NFC payment apps if you want to make payments.
These changes make it easier than ever before to use the fantastic features of your device.
How to make contactless payments through the Google pay app?
To use NFC for making payments on Xiaomi Redmi K40S, you need to enable tap to pay feature by following these steps:
– Go to settings.
– Share and connect.
– Tap on tap to pay.
Choose the appropriate app to use it. After that, open the app, add a card and enter the bank and card details. Whenever you want to pay, open the app and put it near the other device and tap to pay.
How to install NFC writing apps for android?
To write NFC tag you need to:
– Activate NFC on Xiaomi Redmi K40S.
– Buy a blank NFC tag.
– Install Writing app (NXP tagwriter).
After downloading the app open it and continue reading the following paragraph about writing the tag by this app.
How to use NFC apps to write NFC tags?
Here is how to write an NFC tag to automate tasks by scanning:
– Open the app.
– Press on write tags in the top right.
– Choose new data set.
Click on link for example and then choose its type, then enter the domain in the other field. Next, select save and write. In the next screen, click on write and hold your phone close to the tag till the confirmation appears.
What is the storage capacity you need to write NFC tag?
The memory you need depends on the type of data, if you want to store text it will take 26 Bytes. On the other hand, a web address requires 19 Bytes, and SMS requires 68 Bytes. As for Emails you will need at least 83 Bytes.
What do you need to use NFC on Xiaomi Redmi K40S?
Using NFC on Xiaomi Redmi K40S requires you to be familiar with Xiaomi Redmi K40S NFC settings that include :
– Turning on NFC: A process of activating NFC from settings.
– Using the antenna: A sensor makes it possible to share data wirelessly.
– Scanning: Making contactless communication between two phones using the NFC sensor.
– Paying: using the NFC feature to make contactless payments.
– Transferring data: Sending data from one device to another by using NFC.