Near field communication (NFC) allows wireless data exchange between two NFC devices in close proximity to each other. NFC devices are very small and can, for example, be integrated in cards.

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21
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Why does my Galaxy S3 make a noise when I put it down?

Occasionally, when I put my Samsung Galaxy S3 down relatively firmly, it makes a noise that's sort of half way between 'BONG' and 'CLANK'. When it happens I can immediately pick it up and put it down ...
19
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1answer
20k views

What's the difference between Android Beam vs S Beam?

What is the difference between Android Beam on the Galaxy Nexus and S Beam on Galaxy S3? Are these two features inter-compatible? Can I transfer data between the two devices?
16
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2answers
20k views

Why is the NFC in the Galaxy Nexus battery?

Why is the NFC in the Galaxy Nexus embedded in the battery? Wouldn't it make more sense to separate the two things? Is there any hardware advantage of being this way? Disadvantages I can see ...
15
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3answers
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How does NFC on Google Nexus S and Android 2.3 work?

I'm curious on the Near field communication, NFC that the Google Nexus S has. From what I understand, this techonlogy can be used to read RFID-tags, or am I wrong about that? What can I read with an ...
12
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4answers
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Can I “clone” my credit card using the Nexus S and Galaxy Nexus's NFC chip? If not, why not?

Can an android app read my credit card's NFC data, store it and then send this data to a contactless pay point (PayPass)? Thus I would use my Nexus to pay for my coffee, conveniently. If yes, is ...
12
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33k views

Can I clone my (mifare classic) Access card with an Android device?

I use an NFC access card. Is there any way to clone my card using Galaxy Nexus / Nexus 7?
8
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1answer
7k views

How to know if my phone has NFC technology?

Is there anyway to find out whether my Samsung Galaxy Note has NFC technology or not?I bought the phone from Greece,but the store in which I bought the phone brought it directly from Samsung in ...
8
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1answer
13k views

How do I Switch off NFC?

My Nexus S alerts me when it is close to my Oyster season ticket. It says New Tag Collected. Unknown tag type. Can I stop it doing this.
8
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27k views

How to use NFC tags to trigger profiles and tasks in Tasker?

I am planning to get some NFC tags which I want to use to control some profiles in Tasker. Where in Tasked can I choose NFC tag as my trigger? If that does not exist, how can I turn tasks on and off ...
8
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1answer
4k views

Do the new NFC options in 4.4 Kitkat allow one to have a combined digital wallet?

The new Android has Host-based Card Emulation built in which takes care of the secure element: https://developer.android.com/guide/topics/connectivity/nfc/hce.html Wondering what it takes to load NFC ...
8
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2answers
4k views

What App do I need to use NFC on an android phone to pay for things in the UK?

I'd like to know if it's possible to use NFC on an HTC One X to pay for things in the UK and if so, what app do I use? Google wallet doesn't seem to be supported here in the UK.
7
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1answer
145 views

Galaxy Nexus NFC Verizon

Does the Galaxy Nexus have NFC on Verizon? I remember reading about the phone being delayed because competing carriers wanted to avoid Google Wallet and that some carriers had even disabled the NFC ...
7
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2answers
5k views

How do I disable/change the NFC sounds?

I love the NFC functionality of my LG L5, but the sounds are too annoying. Is there a way to customize or disable the sounds that are played whenever a tag was read?
6
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3answers
2k views

NFC functionality in Google Nexus S?

How physically close will a tag need to be for the phone to detect a NFC card? (10cm or can it greater) Also can the phone present itself as a NFC tag to other phones? If this is possible is the ...
6
votes
1answer
759 views

Does NFC enabled phone means the phone has an NFC tag inside?

I would like to clarify what it means when Android phone is a "NFC enabled phone" (example list on RapidNFC). Does this mean the following: The phone can read and write NFC tags? The phone should ...
6
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1answer
959 views

Avoid opening Play Store after NFC scan for unlocking with Smart Lock

I want to use the Smart Lock feature of Android 5.0 Lollipop together with NFC. I've configured it and it works well, but my problem is, that after scanning the NFC Tag (and also after unlocking the ...
6
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2answers
969 views

Do Android Default apps (phone, browser,…) support NFC?

Is there any default support on Android basic apps (phone, browser, contacts...) for NFC? Because if I want to develop for NFC, the user will need to install my NFC app. But for simple tasks that use ...
6
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1answer
112 views

Login to Android 6.0 with NFC card and Password

I am evaluating MI5 and its NFC functionality. I am considering to compliment my Samsung Galaxy S4 GT-i9506 with MI5 because of various significant improvements in the hardware, software and ...
4
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2answers
277 views

The difference between NFC mode on Android (e.g. card mode, P2P mode)

On my Samsung Galaxy Note 4, there are two NFC modes: card mode and P2P mode. What is the purpose of these modes? Is there any other modes in NFC?
4
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1answer
315 views

Is it possible to have a phone alarm go off if it moves a set distance away from a NFC tag?

I have a bad habit of leaving my phone around. I want my phone to alert me if it gets to far away from me. If this is possible how can I set this up?
4
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1answer
2k views

Where is the NFC hardware located?

I noticed that certain Samsung batteries say "Near Field Communication" on them. Is the NFC h/w located in the battery? Does it differ by the manufacturer of the Android device? A friend of mine ...
4
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1answer
3k views

What does “NFC Connectivity (Optional)” mean for the Samsung I9100 Galaxy S II?

I'm considering to buy a Samsung I9100 Galaxy S II. In the specs, I've read "NFC Connectivity (Optional)". What does that mean? It seems that the first batch of phones won't have an NFC chip. Is it ...
4
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2answers
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Is there a way to write a full vCard via NFC?

Is there a way to write a full vCard to a NFC tag? All of the apps I've tried off Google Play seem to only write the email address or other subset. I've tried apps such as NFC Task Launcher, NFC ...
4
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2answers
2k views

How does NFC Task Launcher toggle Power Saving and how can I get Tasker to do it?

So I've noticed that NFC Task Launcher can toggle the Power Saving mode for the Galaxy s3. Obviously then, this is not a secure setting that requires root access (eg. turning GPS on / off). So is it ...
4
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0answers
9k views

How can I copy a NFC badge to my (rooted) Android phone for Daily Usage

For the Cafeteria a school we have NFC badges with which we pay meals or drinks. I was wondering how is it possible to have the card on my phone? I lost it 5 times last year. I've tried to copy the ...
4
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0answers
551 views

Prevent alert tone when scanning / identifying an NFC intent

Perhaps I'm missing something but when I scan an NFC tag via a Galaxy Nexus, the phone always makes the default alert tone. Is there a way of switching this off? I have scoured the menus / ...
3
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2answers
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Where's exactly the NFC area in the Nexus 7 2013?

I've had a Nexus 7 2012 and in the tiny manual there was an indication on where exactly I should touch my phone on it to get NFC communication - near the "e" in the back. That worked great, as I know ...
3
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2answers
17k views

Unknown Tag Type collection

Since purchasing my Samsung Nexus S I have been bombarded by 'New Tag Collected' Tag Type 'Unknown'. I have since learned how to turn this off, but I was wondering what these Tags are and where are ...
3
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1answer
5k views

Can I use Google Cardboard with non-NFC phones?

I have recently got a hold of new phone which has 5 inch Full HD screen, so the first thing that I wanted to do is checking out the Google Cardboard VR. But I recently learnt that my phone doesn't ...
3
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2answers
6k views

Reading Mifare Classic chips with Samsung Galaxy S4?

Searching the web far and wide has me almost out of hope in making Samsung's Galaxy S4 phone read the Mifare CLassic chip through NFC. But does anyone know of any form of work-around, or is this ...
3
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1answer
5k views

How to transfer images via Android beam (NFC)?

When I transfer an image from S3 to Nexus 4, Play store is opened. However, for contacts it works well and good. Do I need any app for transferring files over NFC?
3
votes
1answer
946 views

how to assign an app to an event?

I would like to use NFC tags with NFC Task Launcher or AutomateIt but I get every time I scan the tag a popup asking for the application to use (I have a few NFC related ones). I have a Samsung Galaxy ...
3
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1answer
758 views

Certain NFC tags cause NFC to stop working

This is a very strange problem, so I'm sorry if I describe in in a confusing way. For the past few days, I've been playing around with NFC on my Oneplus One phone. I installed a few apps (NXP TagInfo ...
3
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1answer
45 views

read the chip info from built-in NFC chip in mobile phone

As I know, there is built-in NFC chip at the back of mobile phone such as samsung. So I would like to read the built-in chip info from that mobile phone. Is that possible or silly question?
3
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1answer
425 views

How to set default browser used by NFC?

I have a Samsung S4 mini, stock Jellybean ROM. I have several browsers installed, one of which is Firefox configured for browsing through a proxy. When I tap on an NFC tag, Android opens up Firefox - ...
3
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1answer
7k views

Sending an application (apk) through NFC

Is it possible to install the application to another device using NFC? The application is not in Google Play store. If it is possible, how can I do this?
3
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1answer
128 views

Why does Nexus 5 HCE respond to FELICA select?

I have an NFC reader constantly polling for tags present. I also have a Nexus 5 with a HostApduService activated. When repeatedly tapping the Nexus 5 on the reader, the reader reports a FELICA (JIS: ...
3
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2answers
4k views

Can Android NFC devices be used to clock in a RFID/HID timeclock for work? (As a tag?)

Can Android devices be used to clock in a RFID/HID timeclock for work using NFC? Using the software, I can register the cards with the timeclock. But would I be able to register phones?
3
votes
1answer
2k views

What causes NFC on Nexus 4 to stop working?

Sorry for the vague question title, I am open to suggestions, but I am not sure how else to phrase this. I recently got a new phone; the Nexus 4. When I got it, NFC tags were working fine. They would ...
2
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3answers
2k views

What happens when I tap an NFC tag which contains a URL?

I don't have an NFC 'phone to try it out. A colleague absolutely insists that if you tap an NFC tag which stores a URL then that URL is launched automatically by the operating system. That doesn't ...
2
votes
1answer
782 views

Reading NFC tags from the front of the phone

I'm creating an app reading NFC tags. Currently all works well expect that the NFC tag can only be scanned when it touch the back of the phone. Is there anyway to allow NFC to be read through the ...
2
votes
3answers
16k views

How can I test the NFC capability of my Android?

I got a Nexus 7 last week, and I love it! It has NFC functionality, and I was wondering how I could test it? I don't actually have any NFC tags that I can use (have you seen the price of them?!?). ...
2
votes
3answers
245 views

Is there an app that associates a certain action to a arbitrary NFC tag?

I'm using the NFC Task Launcher for launching actions stored on my own tags. This works fine. What I'm searching for is an app that associates a certain action with an arbitrary tag. An example: my ...
2
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2answers
475 views

Tapping an NFC tag which contains an URL. (How) can I override the default action (browser launch)?

My previous question established that when a factory reset Android device taps an NFC tag which contain an URL, the operating system launches a browser. Can I prevent that? Is that just a default ...
2
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1answer
61 views

Open Image-link from NFC Tag

I have a NFC-Tag (FeliCa), where I store a URL to an image. (something like https://www.google.de/images/branding/googlelogo/2x/googlelogo_color_272x92dp.png for example). This Tag is emulated by a ...
2
votes
1answer
154 views

Can I encode an NFC tag to send HTTP POST data?

Can I encode an NFC tag to send HTTP POST data? Or can I only use HTTP GET? I have Googled extensively, but can't seem to find an answer (which, I suppose, implies that it is HTTP GET only, but I ...
2
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2answers
175 views

Does a special NFC Chip have to be installed before using the phone as a charge card?

When NFC is turned on, can you pay for something at a store, or do you need to install a special chip?
2
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0answers
145 views

Kiosk, Rom + Launcher, need a little guidance

I am currently developing a software for use in the Home health industry, which handles Verifying an aid is actually administering care (EVV). This works with GPS and the read of a fixed NFC chip. i ...
2
votes
1answer
483 views

Why does the YubiKey Neo only use Firefox, not Chrome?

I want to use the YubiKey NEO with Chrome, and when I tap the NFC sensor to the phone, the only app I can use is Firefox. I would like to have SSO work with Chrome, but not sure how they were able to ...
2
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0answers
268 views

Poor NFC recognition after replacing Nexus 4 back cover

After replacing the back cover on my Nexus 4, the ability to read NFC tags has decreased significantly. I replaced the back cover of my Nexus 4 with an original(!) replacement because the glass had ...