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.

Filter by
Sorted by
Tagged with
0
votes
2answers
40 views

How to emulate a NFC card with an Android phone?

I have installed several "NFC tools" apps, and I am able to read a NFC door card. It seems to be able to duplicate it (when I'll have a blank NFC card) or even write new NFC tags. But I'd like to do ...
1
vote
1answer
70 views

Do wireless charging adapters interfere with NFC?

I've just got a Huawei P30 (standard, not Pro or Lite) and realised it doesn't feature NFC - with no less than 4 wireless chargers in my house and 2 in my office. But I use Google Pay all the time - ...
0
votes
0answers
30 views

Force Android to emit a UID over NFC

I would like to emit a custom UID over the NFC chip of my (rooted) Android phone. How can I achieve this ?
0
votes
0answers
36 views

Can't enable NFC after uninstalling Card Emulator app

A few weeks ago, I installed the Card emulator app, to read a nfc tag of mine. After playing a bit with the app, I uninstalled it. Right after that, I went into nfc settings to check everything was ok ...
0
votes
0answers
45 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 ...
0
votes
0answers
170 views

Can you force enable NFC in the android system files?

Problem: My sister's android phone has got a custom android rom that doesn't use the NFC functionality of the phone. Is there a way to edit say system files to "force enable" the NFC feature in the ...
1
vote
0answers
72 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 ...
0
votes
1answer
314 views

Samsung Galaxy emitting constant beeping sound

My Galaxy (A8) is emitting a constant beeping sound every few seconds. I tried the following, per various online suggestions: Wiping the cache (by entering into recovery mode) Closing all ...
1
vote
1answer
442 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?
1
vote
0answers
40 views

Will leaving a device on an NFC tag do any harm? [duplicate]

I want to leave my phone sat on an NFC tag all day long - will it do any harm to either the phone or the tag? I'm worried about Android constantly trying to read the tag all day, and that this could ...
1
vote
1answer
268 views

I want to clone my NFC/EMV card and put it on an NFC implant

How can I clone the NFC chip on my PayPal card so I can pay with my NFC implant? I have an Android with NFC, and I have an NFC chip implanted into the web of my thumb and index finger. I want to copy ...
1
vote
1answer
338 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 ...
1
vote
1answer
3k views

What is the catch with microSD cards that have NFC support and will my Xiaomi Mi A1 support it?

I recently bought myself a Xiaomi Mi A1. Because it has a microSD card slot I'd like to buy a card. I noticed that some have NFC. Is it worth It? Is this real NFC or just a gimmick feature to buy such ...
0
votes
1answer
1k views

How to get Feitian MultiPass FIDO U2F working with OnePlus 3T?

Feitian MultiPass FIDO has 3 ways to work as a hardware token: BLE, NFC and USB. I'd like to use it either with NFC or BLE because the USB input can be occupied, and I have a feeling anyway that the ...
-1
votes
1answer
176 views

Can Liquid screen protector be applied to the back of a phone [closed]

This is more of a hardware question... I got my LG V30 recently, and after a few days of usage without a case, I noticed I got a feel minor scratches, and one bigger one. My question is this? Can I ...
1
vote
0answers
95 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. ...
0
votes
2answers
270 views

Firefox hijacks YubiKey NFC

I'm using a YubiKey Neo configured as an one-time-password generator. I'd like to use it with the YubiClip app but every time I pass it next to my phone, Firefox (my default browser) opens with a ...
1
vote
1answer
69 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 ...
0
votes
1answer
38 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 ...
1
vote
0answers
51 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 ...
1
vote
2answers
3k views

NFC on S4 doesn't work at all

I have an S4 with which I try the Yubikey Neo with NFC on. I also tried another tag but I can't get any response from the phone whatsoever. Not even a beep. NFC is turned on for sure. I bought an (...
0
votes
1answer
30 views

Can i use NFC for File Transfer in Motorola X?

My friend is using Motorola X with NFC, but he can't transfer files through it. How do you transfer files through NFC on Android?
1
vote
1answer
624 views

Smart Lock unreliable/not working with NFC tag?

I’ve been trying to get Smart Lock to work on my Android device (OnePlus One on Cyanogen OS 13.1.2, i. e. Android 6.0.1/“Marshmallow”). I’ve configured an NFC tag as a trusted device and want to ...
1
vote
0answers
129 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. ...
2
votes
1answer
15k views

Which Android phones support MiFare Classic NFC tags? [closed]

I have to use MiFare Classic NFC tags, which Android phones can read and write to it? Couldn't find it on the internet.
7
votes
1answer
35k views

Is it possible to add the NFC to the phone which does not have it?

My phone is a Motorola Moto 2g LTE (xt1072). It is really good phone but there is a one problem, it does not have NFC. Is there any solution, to add NFC to the phone which does not have it – and would ...
2
votes
0answers
779 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 ...
1
vote
1answer
485 views

Can I pay with my phone if I switch to Cyanogenmod?

I own an Oneplus 3 and a NFC sim card. In order to use the banking payment app of my bank (Rabobank Wallet: https://www.rabowallet.nl/ / Netherlands) I need a phone with android supporting open mobile ...
1
vote
0answers
502 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 ...
0
votes
0answers
49 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 ...
5
votes
2answers
6k 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?
1
vote
1answer
1k views

NFC battery draining through constant use

Does putting a device that constantly checks/uses NFC affect/drain the battery? One example is Dimple IO which puts NFC buttons on the back of your phone.
0
votes
0answers
108 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 ...
2
votes
1answer
141 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?
4
votes
2answers
1k 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 ...
0
votes
0answers
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 ...
1
vote
1answer
1k views

S4 CM 12.1 Problem with GApps

I've just installed cm-12.1-20151129-NIGHTLY-jfltexx on my S4 (i9505) and Open GApps 5.1 Arm nano 20151129. The setup wizard had few errors (Google play services stopped working) and after setting it ...
0
votes
2answers
855 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 ...
2
votes
1answer
576 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 ...
0
votes
1answer
2k views

How to write an NFC tag with Driving Directions?

I want to write an NFC Tag on a sticker with something that will directly open Google Maps driving directions to a specific address. I've tried using "NFC Tasks" / "NFC Tools", but haven't found any ...
0
votes
1answer
685 views

can you use wireless charging on LG G3 s

can you get wireless charging on the LG G3 s as under the cover on the back of the phone there are two pins that connect to the cover, this cover also has a pad on the back. Thanks.
0
votes
1answer
70 views

Connect NFC to Galaxy S5

I have a Galaxy S5 and 6 NFC chips: I want to write text to those NFC chips. I've already tried 2 apps: NFC Tools and Trigger. None of these apps hadn't recognized those NFC chips. How can I read ...
1
vote
0answers
98 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. ...
3
votes
1answer
463 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: ...
0
votes
1answer
182 views

What are the security implications of enabling NFC on my Andriod device?

My first NFC-capable Android device (running Lollipop) is on its way. I've been doing some research, and got some info on how NFC events are handled internally, but I'd like some more practical ...
3
votes
0answers
254 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 ...
1
vote
0answers
36 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 ...
2
votes
2answers
2k 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 ...
1
vote
1answer
570 views

NFC task for BOTH tag entry and exit

Since picking up a few NFC tags I've been experimenting with automation apps to run tasks for certain contexts (e.g. Car dock). The apps I've tried (e.g. Trigger) are great at running tasks when the ...
0
votes
1answer
922 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 ...