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All you need to know about NFC on Oppo F21 Pro 5G

NFC is a technology that allows two devices to transfer data when they are within four inches of each other.
NFC tags are used to store and exchange data with an NFC compatiable device like a smatrtphone.
Some popular use cases of the NFC feature on smartphones include unlocking doors, exchanging contact information, and paying at places like tolls gates. In this article we will focus more on payments and sending files with NFC in Oppo F21 Pro 5G.

Does Oppo F21 Pro 5G have NFC as a wireless technology?

Yes, Oppo F21 Pro 5G has an NFC technology which is turned on by a small card inside the phone called a chip.

How to turn on NFC on Oppo F21 Pro 5G? – NFC activation process

You can activate NFC on Oppo F21 Pro 5G from the home screen by swiping down from the top then tapping on the NFC icon and it will be activated. Also, you can activate the feature from settings:
– Go to settings.
– Click 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 Oppo F21 Pro 5G in terms of paying and scanning tags, continue reading this article as everything about NFC will be clarified.

how to switch NFC on Oppo F21 Pro 5G

How can I scan NFC tags on Oppo F21 Pro 5G?

Here is a quick guide to use scanning with NFC on Oppo F21 Pro 5G. After downloading a writing app like TagWriter by NXP, open it then hold your phone in front of the external tag and it will be scanned. In order to learn how to install and use writing apps, follow the next paragraphs.

Transferring data using NFC on Oppo F21 Pro 5G

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 Oppo F21 Pro 5G, 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.
– press 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 Oppo F21 Pro 5G on the other device, then choose while using the app. In Oppo F21 Pro 5G , tap on yes I agree then close the window and tap on the photo or file in both phones.

Apps for NFC on Oppo F21 Pro 5G

To use NFC tags for automation on your phone you will need third-party apps and to make payments, you need payment apps. These apps allow for a lot of features with bit effort and no manual actions needed.

how to switch NFC on Oppo F21 Pro 5G

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 install NFC writing apps for android?

To automate tasks on your Oppo F21 Pro 5G, you need to do two things. The first one, installing a writing app. The second one, learning how to write a tag. Now, ensure that you have a blank NFC tag or buy a one. As for the app, we recommend NXP tag writer. Now follow the next explanation about how to write the tag.

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.
– Tap 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.

NFC on Oppo F21 Pro 5G

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 want at least 83 Bytes.

Everything you need to know to use NFC on Oppo F21 Pro 5G

Using NFC on Oppo F21 Pro 5G requires you to be familiar with Oppo F21 Pro 5G 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.

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