NFC stands for Near Field communication. It allows two devices to communicate and perform tasks like send data by touching them together or by holding them close enough to one another. This technology is often used in communication. Turning on NFC means turning on the chip in your phone that is responsible of every process done by this technology.
In this article, we will explain how to use NFC on LG K40 starting from the activating of the chip and use it to make payments as an example.
How to turn on NFC on LG K40?
It’s so important to know how to use NFC on LG K40 in terms of paying, transfering files to save your time, but you need first to enable the feature by go to the settings then connection and sharing. After that, swipe up, and activate the NFC switch. You can also activate the N-mark from the notification centre. Swipe down from the main screen and activate the icon.
To enable the NFC service, open “settings” and then select share and connect. Next open “NFC” and enable the NFC option.
How do I scan the NFC tag on LG K40?
You need to use scanning feature of NFC on LG K40 to write NFC tags. So, you are supposed to download NFC tag writer app on your phone such as-NFC TagWriter by NXP.
All what you need to do to scan is to hold your phone close to the tag and if you want to know how to install and use NFC writing apps, continue reading the article and you will learn everything about writing and scanning NFC tags.
How to transfer data by using NFC on LG K40?
To transfer data from LG K40, NFC should be enabled as explained before. Also, you need to activate Android Beam from NFC settings, more or share and connect, then enable the Android Beam. After activation, follow these steps to accomplish sharing data process:
– Open Gallery or your phone files.
– Choose the file or data you want to share it.
– Tap on share icon.
– Tap on NFC icon.
– After connecting with the other device, choose tap to share.
On many devices, the beam is activated automatically when you turn on the NFC. Also, some devices requires you to tap on the Android Beam icon after you tap to share the file or the photo. So, you need to tap on the icon, then continue the other steps as usually.
For what can I use NFC apps on LG K40?
When it comes to NFC tags for task automation on your phone, you need a third-party app. For making payments, you need an NFC payment app.
These apps help you make the most of your phone features in no time with no hassle.
How to make contactless payments through the Google pay app?
Google pay is a payment feature developed by Google so that payments can be sent and recieved through devices that supports NFC. To use this feature, you need to:
– Download Google pay.
– Open Google pay application.
– Tap on Get started.
– Select Set it up.
– Add your card.
Next, you need to enter the bank card details. Now, when you want to pay, just put your phone close to the terminal and pay for products. Be aware that it’s so important to set the Google Pay as the primary, so you can use this feature. To do so, go to settings then to contactless payments or tap and pay, and select the Google pay as payment default.
How to write NFC tags using the TagWrtier-NXP app?
To write a tag in order to automate task by scanning it with your phone, follow the explanation below:
– Open the app you installed.
– Press on write tags in the top right.
– Select new data set.
Let’s assume that you choose “link”:
– Choose its type.
– Enter the domain in the other field.
– Select save and write.
In the next screen, all options are unckecked. Click on write, then hold your phone near the tag to see the confirmation on the screen.
How much memory do I need to write NFC tag?
The memory you need depends on the form 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 LG K40?
Using NFC on LG K40 requires you to be familiar with LG K40 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.