How to Turn NFC Off on Androids
What to Know
- Go to Settings > Connected devices.
- Toggle the NFC switch to Off.
This article explains how to turn off NFC (Near Field Communication) on Android devices.
If you're not sure whether your phone supports NFC transmissions, search this list of NFC phones for your device's model.
The process to disable NFC is simple. Like Wi-Fi, Bluetooth, and other connective technologies, NFC simply toggles off. Here's how to do it:
Open Settings > Connected devices.
Some Android phones have the NFC option in the system tray menu at the top of the screen.
Turn off the NFC toggle switch.
Near field communication (NFC) allows devices such as smartphones to exchange data with other NFC-enabled devices when they're close by.
NFC uses are common. Many retailers have signs at the checkout that tell customers that payment can be made with their phones through Google Wallet. Smartphones with Android 2.3.3 or newer may be configured to send or receive data through this communications standard.
However, there are risks involved when using NFC. Researchers at a Pwn2Own contest in Amsterdam showed how NFC can be exploited to gain control over an Android-based smartphone. Researchers at a Black Hat security conference in Las Vegas demonstrated similar vulnerabilities using different techniques.
Turn NFC off when it's not in use to save battery life and prevent hacking.
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Learn how to read NFC tags, share your phone's display, and exchange media with other NFC and DLNA-compatible devices using the Samsung Galaxy S8.
Mirror screen on car display
MirrorLink mirrors your phone on your car's display. Your car's system must support MirrorLink to use this feature.
- Use the OEM provided USB cable and connect the device to the vehicle.
- From the Home screen, swipe up on an empty spot to open the Apps tray.
- Tap Settings > Connections > More connection settings.
- Tap MirrorLink.
- Once the vehicle and device are connected, follow the on screen prompts to setup the applications that will be available to use while connected.
Turn share on / off
Read NFC tag
- Turn ON NFC on your device.
- Place the rear of your phone against the rear of the other device or against the printed tag.
- Your device should vibrate or sound a confirmation depending on your settings. If necessary, follow any prompts (for example, if you are receiving a contact, you must select where to save the contact).
Turn on / off NFC
Android Beam reads tags and exchanges content on your phone with other compatible devices or tags. To use Tap and pay, you first must install a payment service app.
- If necessary, turn on Wi-Fi.
- From the Home screen, swipe up on an empty spot to open the Apps tray.
- Tap Settings > Connections > NFC and payment.
- To turn ON, tap NFC.
- Turning on NFC enables Android Beam.
- To turn it OFF, tap NFC.
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Our smartphones are packed with technology, but we don't use all of them. We are now all used to using Wi-Fi, or Bluetooth, however, as soon as we start talking about NFC, it is less easy. This communication technology makes functionalities such as mobile payment possible, so it is convenient to be equipped if you are ever interested in these functions. However, this feature consumes battery and makes your Samsung Galaxy A31 more vulnerable to hacking.
We will precisely teach you in this article how to disable NFC on your Samsung Galaxy A31. In this context, to start, we will show you how this technology works and its applications, then, how to deactivate it and finally, activate it
What is the NFC for Samsung Galaxy A31 and how does it work?
NFC (Near Field Communication), which, as its English name suggests, allows communication between two nearby devices is not similar to Bluetooth or Wi Fi, indeed, it requires that the two devices are very close to be able to communicate. The NFC of your Samsung Galaxy A31 is the same technology used on bank cards to make contactless payment. There are, however, two types of chips:
- Active NFC chips: Which can transmit (and receive for the most part) data, it is the chips that we will find on the Samsung Galaxy A31. They can suddenly transfer links, small files, identification information, make contactless mobile payment, etc.
- Passive NFC chips: These are the same ones with which our bank cards are equipped, they do not require energy to transmit information, they are also called “TAGs”, these chips only serve as identifiers. Near an NFC reader device (Electronic Payment Terminal of a store for example) they can be read and transmit the identification information to confirm a payment, unlock access, change the sound profile of your Samsung Galaxy A31 ...
Apart from the essential "extreme" proximity between the two devices, this technology allows data transfers heavy enough to consider exchanging files of a few megabytes between two mobile phones for example. NFC on Samsung Galaxy A31 works the same way as Bluetooth or Wifi, you will have to go to settings to activate it.
However, over time, we realized that the security of smartphones was less good than that of laptops, which in reality a privileged target for hackers of all kinds. Indeed, few Samsung Galaxy A31s are equipped with antivirus and each connection mode (Wifi, Bluetooth, NFC…) creates a new entry point for hacking attempts. Since it is even conceivable to film mobile payment thanks to its Samsung Galaxy A31, many people are reluctant to use this technology, for fear of losing their mobile phone and that ill-intentioned people are 'are used to make purchases. It is therefore legitimate not to want to use this technology.
How to disable NFC on Samsung Galaxy A31?
We now move on to the practical part of this article. If it happens that you do not use the NFC of your Samsung Galaxy A31 and you want to secure your mobile phone, find out how to turn off mobile payment on your Samsung Galaxy A31. This procedure is specially accessible. You will only have to implement the following steps:
- Go to the settings of your Samsung Galaxy A31 (either by sliding down the notifications bar, or by going directly to the application " Parameters ")
- Go either in the tab " Network and wireless settings " is " Connections ", The name may change depending on your Android version
- Click on " NFC and mobile payment »
- It is now possible to either deactivate all uses of the technology by dragging the general slider to the left, or deactivate certain functionalities such as payment, or Android Beam
How to activate NFC on Samsung Galaxy A31?
Finally, some people want to take advantage of this technology and want to activate mobile payment by NFC on their Samsung Galaxy A31, know that the procedure is exactly the same as the one for deactivation, in a very simple way you will have to activate the different features of technology instead of turning them off.
If it happens that you want to use your Samsung Galaxy A31 to make mobile payment, consider using your fingerprint to authorize transactions, if you ever have problems setting up the fingerprint on your Samsung Galaxy A31, you can read our article on this topic.
If you are ever looking for a maximum of tutorials to become the absolute master of the Samsung Galaxy A31, we invite you to browse the other tutorials in the category: Samsung Galaxy A31.
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