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Questions tagged [nfc]

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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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: ...
Hauke's user avatar
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4 votes
0 answers
359 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 ...
JL Griffin's user avatar
4 votes
0 answers
641 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 / ...
Richard Green's user avatar
3 votes
0 answers
374 views

media control "resume" and "pause" via NFC tag do not work

Problem description I wrote tasks onto NFC tags to play different playlists in a media player app, to control the media player (Vol +/-, next/previous title, pause/resume, quit media player) and to ...
daniel.heydebreck's user avatar
3 votes
0 answers
658 views

After I installed an app, the phone now scans NFC every time I unlock the screen (Android 12)

I did not know that an App can modify system behavior like this. I have phone always on silent. I installed "Xiaomi Wear". During installation in Play Store, the phone made a short vibration....
James T's user avatar
  • 41
3 votes
0 answers
964 views

How to get rid of NFC icon?

After a forced OS reinstall by a repair shop a Sony Xperia Z5 Compact started to show a NFC icon in a status bar. How to get rid of it? It does not give any information as it is always on, so it is ...
HoursFrom.World's user avatar
2 votes
0 answers
7k views

Can I use my phone as a MIFARE Classic card?

I use a MIFARE Classic badge to access my building (the system is a French one: VIGIK). I cloned a few tags already (tag to tag) and was wondering if my Galaxy S22+ with Android 13 could act as a tag, ...
WoJ's user avatar
  • 581
2 votes
0 answers
2k views

Want to launch applications/actions when I touch an NFC tag, simply

I have an NFC-capable phone (Nokia G60, Android 12) and a bunch of NFC tags/cards. I would like to launch an app or run an action automatically when I tap my phone to a tag. For example, if I get in ...
Laurence Renshaw's user avatar
2 votes
0 answers
275 views

NFC: Spotify URIs open app, not specified resource

My goal is to program NFC tags in such a way, that Spotify starts playing a specific track/album/playlist. But after writing a Spotify URI (e.g. spotify:track:6rqhFgbbKwnb9MLmUQDhG6) to my tag, it ...
kunberg's user avatar
  • 21
2 votes
0 answers
2k views

Using USB NFC reader as native from Android Emulator

I'm testing an Android app that uses NFC. However, my actual testing phone does not have NFC capabilities built-in. What I do have is a USB NFC reader for Windows. Is there a way I can open my app on ...
Iaka Noe's user avatar
2 votes
1 answer
1k 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 ...
makerofthings7's user avatar
2 votes
0 answers
340 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 ...
Torben Gundtofte-Bruun's user avatar
2 votes
0 answers
170 views

Android Beam - vCard Not Init'ing

When I try to send a contact from one nexus 5 to another, Android Beam fails (everything is enabled). Other things such as a pic, a Play App link, etc. work just fine. When I pull the log, I can see ...
ApolloRaptor's user avatar
2 votes
0 answers
1k views

Emulate an RFID card with android 4.4?

Is it possible to do it with the host card emulation feature of android 4.4? Is there a sample how this framework works? https://developer.android.com/guide/topics/connectivity/nfc/hce.html
András Kovács's user avatar
1 vote
0 answers
236 views

Disable NFC package on Android 12

From the forum, I got lots of information about package disabling on Android. But none of this works for me. I try block the NFC package on boot: pm disable com.android.nfc svc nfc disable service ...
olga olga's user avatar
1 vote
0 answers
53 views

Does a bank see email address of a Google account if I add a credit card to google pay

If I add a credit card to my Google pay what Google account details is my bank able to see if any?
infinitieunique's user avatar
1 vote
0 answers
138 views

Storing NFC credit card near NFC phone

I have a quick question about NFC on Android devices. Assume that I have a device set-up for Google Pay, i.e. I added a credit card. I also have said credit card in my wallet and it is capable of NFC ...
Sito's user avatar
  • 133
1 vote
0 answers
204 views

Can I emulate my NFC credit/bankcard with my phone?

down vote favorite Samsung Pay, Google Pay, Apple Pay or anything else isn't enabled in my country, but I do know that my card is using NFC. From what I have read there is a possibility that it can't ...
Melvin Bradley's user avatar
1 vote
1 answer
452 views

How to use Glase on a rooted Android device?

How can I use the Tap and Pay payment app Glase (formerly SEQR) on a device which has been rooted using Magisk?
Manchineel's user avatar
1 vote
1 answer
691 views

Device fails to install provisioning app

I'm trying to provision a Huawei Y6 (MYA-L11) with a custom Device Owner app via NFC after a factory reset. However, once it has downloaded the admin app, I get a message box: "Oops! Couldn't install ...
Alex Meuer's user avatar
1 vote
0 answers
199 views

How can I trigger an action on one Android device with another Android device?

I recently got a new device and my old device will now be used as a music player with my bluetooth speaker. However, I wanna save battery by not having the old device's bluetooth on the whole time. ...
Benjamin Sow's user avatar
1 vote
1 answer
151 views

Multiple uses for NFC

I have my bank card linked to my NFC and since this day it is also possible to have my public transit card assigned to my NFC-chip. The thing I want to know is, is it possible to have multiple ...
FlorisdG's user avatar
  • 111
1 vote
0 answers
171 views

Is it possible to have the NFC URL reuse a browser tab?

When I tap an NFC tag with url in it, it gives the option to open the link in the browser. If I go tap that tag again or another similar tag, it prompts user to open the url again in another browser ...
Daniel's user avatar
  • 111
1 vote
0 answers
148 views

Does Galaxy Xcover 3 Value Edition support Mifare Classic NFC tags?

The Samsung Galaxy Xcover 3 is one of the few devices that still support Mifare Classic NFC tags. It was released in 2015. Now Samsung have released an updated version, the "Value Edition" in 2016. ...
Mark Buikema's user avatar
1 vote
0 answers
616 views

Can't enable NFC on Samsung Galaxy S3

For some reason I am unable to enable / use NFC on my Samsung Galaxy S3 (i9300). When I got the phone, it did work. A month ago, I wanted to use it again and it did not work. I am currently using a ...
Florian Bach's user avatar
1 vote
0 answers
122 views

Is there a way to use a phone as a virtual keychain for NFC tags?

So let's say I have a bunch of things that can be unlocked via NFC. Each thing would correspond with one tag and one tag only. The problem would then be that I'd have to carry a bunch of tags around. ...
Hotwire's user avatar
  • 11
1 vote
0 answers
42 views

NFC occasionally stops working. Fixed by battery removal.

I have written an app utilising the NFC radio running on Android 4.4. The NFC radio stops working on 2 occasions : After an APK update. Occasionally at other times. The NFC function is still ...
Little-Jim's user avatar
1 vote
1 answer
1k views

Can Android devices with NFC be used as POS terminals for EMV Chip-and-pin cards?

I know that Square, for instance, makes payment card readers you can attach to phones in order to make transactions using the mag strip, and they're soon to release a new card reader designed for EMV ...
portalguy15837's user avatar
1 vote
0 answers
939 views

Can one NFC tap initiate multiple actions from the same tag?

If a single user taps a single tag a single time, can the tag be encoded such that it both sends an SMS (or, at least, launches the SMS app) and launches a URL connection? Is this the best S.E site ...
Mawg's user avatar
  • 644
1 vote
0 answers
3k views

Cloning room key card by using NFC

I live in a youth hostel of an university and we access our rooms and labs by using a contactless key card. I want to clone my card to my phone. Is it possible to copy when it is key protected? Can ...
A.T.'s user avatar
  • 11
1 vote
0 answers
228 views

Samsung - Change password / log-in method with NFC

I had some NFC tags with my Xperia Sola. It could change settings if I touched the tags with the phone, and it was pretty useful. Can one use this "technology" with modern Samsung phones? Both ...
Apache's user avatar
  • 230
1 vote
0 answers
384 views

NFC for PC using libnfc

Is it possible to use the phone's nfc hardware as a NFC reader for PC (installing some app or using netcat with some /dev/ file)? My phone has pn544 chip, it seems it is available as /dev/pn544
KOLANICH's user avatar
  • 121
1 vote
0 answers
26 views

TecTiles and applications

Samsung promotes NFC via its TecTiles, which is a very interesting concept but i cant find lots of information about it, especially the need for an app. Do you know if a user that just want to "...
Rob's user avatar
  • 1,642
1 vote
0 answers
454 views

How to enable NFC on Galaxy Note I717 for lockscreen/screen off use?

The Note I717 running Paranoid ICS and makes everything except the S-Pen great -- except I can't quite figure out how to enable NFC for use on the lock screen/screen off modes. I see plenty of people ...
user avatar
0 votes
0 answers
40 views

Google Pay works only when NFC is being turned on

I got S23+ last week and am having problems with Google Pay. When I put the phone to the terminal, nothing happens (NFC is on). After some trial and error, it turns out it works fine but only in the ...
Viktor's user avatar
  • 101
0 votes
0 answers
274 views

Using root, how to fake nfc support of my phone so I can install apps that requires nfc from the Google Play Store?

This question is an extension of this question where I want to perform the nfc checking part at the embassy. Which files do I need to change in the filesystem using root so I can download apps marked ...
user2284570's user avatar
0 votes
0 answers
393 views

Enabling NFC on vivo V2205

So, vivo Y35 (V2205) has an NFC hardware inside. but apps (and settings) ways that 'NFC is not supported' [ [ I am looking for a way to enable NFC (preferably without root, but rooting is fine) ...
jaredo-kun's user avatar
0 votes
0 answers
2k views

In which markets does the Xiaomi Redmi 10C have NFC?

I just bought a Redmi 10C from an official Xiaomi Store in Malaysia, but I'm from Australia where we don't really have Xiaomi. There's also not really that much info about them in English. I naïvely ...
hippietrail's user avatar
0 votes
0 answers
964 views

Load URL/URI from NFC tag automatically

I have a Redmi Note 8 Pro which can read NFC tags, and I wrote an NFC tag with a custom URI for an app (Obsidian). The custom URI makes the app to open and write something inside it. The "problem&...
RabidTunes's user avatar
0 votes
0 answers
34 views

Do contactless payments work on Android 4x these days?

I've seen info that current version of Google Pay requires Android 5 or higher. Is it possible to install and use any application like Google Pay on Android 4.x (with NFC)?
Ya Y's user avatar
  • 1
0 votes
0 answers
92 views

Google Pay is nowhere to be found

The situation is pretty strange: Google Play store tells me that Google Pay is not compatible with my device (Samsung S10), but I know it is installed and I have used it in the past. When I click on ...
Alvin Sartor's user avatar
0 votes
0 answers
767 views

NFC tags to execute commands

I would like to know if there is such a possibility to create NFC tag and then use it to execute complex commands on a tablet, for example opening a specific application or changing a certain system ...
Windows's user avatar
0 votes
1 answer
3k views

How to drive Philips Hue lighting with NFC tags

Recently I came to use my NFC tags again. Wondering how I can use my NFC tags to automatize chores like: Turn the light on at noon (Alexa/Philips Hue) Turn the light off at midnight In essence I ...
stephanmg's user avatar
  • 101
0 votes
0 answers
3k views

How to use NFC Tools to write a 540 byte file to NFC Ntag 215?

It seems Tagmo is a tool to write NFC tags, but when I searched on the Google Play Store, NFC Tools came out, not Tagmo (and it has a 4.4 out of 5 rating), so I tried using it to write a .bin file ...
nonopolarity's user avatar
0 votes
0 answers
139 views

Is there a way to activate NFC during initial phone setup?

My mdm (Ivanti/Landesk) requires to deploy an APK through NFC during the initial phone setup (and only during this setup, where you need to set the langage, time zone, google account, etc.) . This is ...
Floy's user avatar
  • 1
0 votes
1 answer
41 views

NFC-Tagtype isn't supported

I've got a Samsung Galaxy S6 and recently updated my software to Android 7.0. Ever since I updated my Samsung Galaxy S6, my NFC Tag reader apps stopped working. Is this a known issue? I've tried ...
user avatar
0 votes
0 answers
51 views

How does NFC unlock work?

I am not asking for instructions on how to set it up. I can't find any page or diagram detailing Android's scheme for using NFC modules to unlock devices. What algorithms are used? How about the steps ...
Melab's user avatar
  • 785
0 votes
0 answers
185 views

How to sync 2 folders using NFC between two Android devices running slightly different Android OS versions

I have a Sony Xperia Z3 running lollipop and another jiayu s3 running Android 4.4. Both of them have NFC. I want to sync a folder in internal storage from one phone with another using Android NFC ...
user1874594's user avatar
0 votes
0 answers
1k views

Is it possible to test a Note 4 NFC antenna

NFC has stopped working on my Note 4 (N910G). As I understand it, the NFC antenna is embedded in the battery - it seems to be, I can see an antenna. I am using an Anker replacement battery, but NFC ...
Paul's user avatar
  • 635
0 votes
2 answers
1k views

How to get data (text and pictures) from server via http get request using a NFC Tag (NFC tools)?

On my Android phone I use NFC Tools pro and I want to do following: get text from my server (i.e. to show it in a popup or text-to-speech) get picture from my server and show it I found the "HTTP ...
Chris's user avatar
  • 101