NFC war problem - NFC Hacking

I downloaded the app NFC war by radiowar and whenever I click on read a card
or war it tells me to touch a NFC tag but when I do nothing happens..
Could someone send me a tutorial for this app or explain to me how it works?

yonatansss said:
I downloaded the app NFC war by radiowar and whenever I click on read a card
or war it tells me to touch a NFC tag but when I do nothing happens..
Could someone send me a tutorial for this app or explain to me how it works?
Click to expand...
Click to collapse
Not sure about the specific app, but typically with NFC (RFID) make sure:
1. Your phone has NFC capability and is turned ON (yes, there have been people trying it without their phone supporting it!!!)
2. Make sure you know where the NFC antenna is on your phone and place the tag right on top of it
3. Maximum distance between the tag and your NFC antenna ~3cm. It might work at greater distance, but typically the shorter the better
4. Your NFC tag is working! If one does not work, try another one. Dead tags is not uncommon.
5. The application may not be compatible with your phone's NFC chip! In that case, the app will simply not work. Check with the developer regarding compatible handsets.

nfc
is this nfc an hardware, my phone doesn't have, can I get it with rom updates?

ztobs said:
is this nfc an hardware, my phone doesn't have, can I get it with rom updates?
Click to expand...
Click to collapse
Yes, NFC is hardware. If your phone doesn't have it then you're out of luck.

Might have figured this already but sometimes you need to leave the card on for between a minute and 30 seconds before it can read all the data

Related

[Q] Is my NFC broken? Hints for troubleshooting NFC

Hi guys,
I believe that the NFC chip in my device (battery) is broken. I have tried two different NFC reader applications and swiped my library card, my RFID keyring for work and my gym card with no success. I turned NFC off and on, rebooted the phone, nothing.
Is there anything else I can do to troubleshoot the NFC chip? I want to make sure its a hardware fault before I turn it in.
I have unlocked the bootloader and rooted via superboot, and it's been flashed with yakju 4.0.2 from googles website.
ipkryss said:
Hi guys,
I believe that the NFC chip in my device (battery) is broken. I have tried two different NFC reader applications and swiped my library card, my RFID keyring for work and my gym card with no success. I turned NFC off and on, rebooted the phone, nothing.
Is there anything else I can do to troubleshoot the NFC chip? I want to make sure its a hardware fault before I turn it in.
I have unlocked the bootloader and rooted via superboot, and it's been flashed with yakju 4.0.2 from googles website.
Click to expand...
Click to collapse
Does NFC enable in settings? Capture a logcat when enabling.
Are you sure that the tags you are scanning operate on the correct frequency (13.56 Mhz)? If so capture a logcat when you try to scan the tags. Capture a logcat when trying to read a tag.
I know this might sound stupid but I'm being serious. Can someone actually explain to me what NFC is, how GNEX can use it and what can be done now with it? I just need it simple terms, searching it online just drove me crazy.
Thanks, appreciate the help.
krohnjw said:
Does NFC enable in settings? Capture a logcat when enabling.
Are you sure that the tags you are scanning operate on the correct frequency (13.56 Mhz)? If so capture a logcat when you try to scan the tags. Capture a logcat when trying to read a tag.
Click to expand...
Click to collapse
Thank you for helping. Yes, NFC seems to startup alright according to logcat, no error messages or warnings when I do this. I also see messages "NFC-EE routing ON" and "NFC-C polling ON". The log is too long to post it for you.
I also tried logcat during scan but it didnt notice anything.
No, I am not sure that my tags are operating at 13.56 Mhz... Perhaps they arent. Have to look this up!
Somebody in Sweden knows anything I could test my NFC against?
bal1985 said:
I know this might sound stupid but I'm being serious. Can someone actually explain to me what NFC is, how GNEX can use it and what can be done now with it? I just need it simple terms, searching it online just drove me crazy.
Thanks, appreciate the help.
Click to expand...
Click to collapse
NFC is for Near-Field Communication and is a wireless communication standard that only operates at a very short instance, eg. 1-4 cm. It can be used as a replacement for regular debit cards so instead of using your card when you go to the shop you just swipe your mobile phone against the shops sensors and enter your pin code to pay. It can also be used to perform a secure handshake, for example if I come to a friends house and I want to access his WiFi, I'll just swipe my phone close to his Wifi Router and they will pair and share the network encryption key. The security in this is that no unauthorized person should be able to get within 1-4 cm of the router to get the encryption key - and NFC simply does not operate at longer ranges then this. These are a couple of things I know are coming with the NFC technology, there's probably alot more stuff we can do with this. Oh btw, we got the Android Beam aswell!
http://en.wikipedia.org/wiki/Near_Field_Communication
http://www.engadget.com/2011/10/18/google-announces-nfc-based-android-beam-for-sharing-between-phon/
ipkryss said:
Hi guys,
I believe that the NFC chip in my device (battery) is broken. I have tried two different NFC reader applications and swiped my library card, my RFID keyring for work and my gym card with no success. I turned NFC off and on, rebooted the phone, nothing.
Is there anything else I can do to troubleshoot the NFC chip? I want to make sure its a hardware fault before I turn it in.
I have unlocked the bootloader and rooted via superboot, and it's been flashed with yakju 4.0.2 from googles website.
Click to expand...
Click to collapse
do you have an extended non Samsung battery or just a non Samsung battery? Or is your battery exterior damaged in any way?
ipkryss said:
Thank you for helping. Yes, NFC seems to startup alright according to logcat, no error messages or warnings when I do this. I also see messages "NFC-EE routing ON" and "NFC-C polling ON". The log is too long to post it for you.
I also tried logcat during scan but it didnt notice anything.
No, I am not sure that my tags are operating at 13.56 Mhz... Perhaps they arent. Have to look this up!
Somebody in Sweden knows anything I could test my NFC against?
Click to expand...
Click to collapse
see if you can find someone with one of the latest nokia phones with NFC support, or is there any nokia show room nearby, you can try connecting their NFC/BT headsets.

[Q] Read NFC tags with screen off?

Is it possible?
It should read and wake the device, no?
As I understand the technology, this isn't possible with the screen completely off. It's a security feature that the secure element only turns on when the screen turns on. So it should be a hardware limitation not a software one.
Sent from my Galaxy Nexus using Tapatalk
the thing is, I can't seem to read with the screen on but no unlocked yet....
só its kinda boring having to turn it on, then unlock the read the tag...
lucasmine said:
the thing is, I can't seem to read with the screen on but no unlocked yet....
só its kinda boring having to turn it on, then unlock the read the tag...
Click to expand...
Click to collapse
It depends on the app. Some apps unlock it automatically like Google Wallet. So it depends on if the dev has added that feature.
Sent from my Galaxy Nexus using Tapatalk
RTContent said:
As I understand the technology, this isn't possible with the screen completely off. It's a security feature that the secure element only turns on when the screen turns on. So it should be a hardware limitation not a software one.
Sent from my Galaxy Nexus using Tapatalk
Click to expand...
Click to collapse
correct, the nfc card turns off when screens off
elmo61 said:
correct, the nfc card turns off when screens off
Click to expand...
Click to collapse
My understanding is that the NFC service is disabled not the hardware and this could be changed with a custom ROM.
I've tried it both ways, screen off and screen on with Google Wallet and though it takes more time for it to open the app and prompt me for my PIN when I just pull it out of my pocket and tap it, it does seem to recognize the NFC tag (at the POS at least) even with screen off.
So I'd have to agree, I think it's up to the dev.
I'm hoping that one of the NFC devs sees this and can request one of the ROM developers to allow the NFC service to be active when the screen is off. I'd make this request myself over on the One X developer forum but I don't yet have the required 10 posts
RTContent said:
It depends on the app. Some apps unlock it automatically like Google Wallet. So it depends on if the dev has added that feature.
Sent from my Galaxy Nexus using Tapatalk
Click to expand...
Click to collapse
Google Wallet doesn't unlock the device in ICS - it did in Gingerbread. It did this because the NFC Service and polling loop started when the device was awake, yet still locked. This changed in ICS.
phanover said:
My understanding is that the NFC service is disabled not the hardware and this could be changed with a custom ROM.
Click to expand...
Click to collapse
It is the service being disabled.
http://grepcode.com/file/repository...4.0.1_r1/com/android/nfc/NfcService.java?av=h
See ApplyRouting where checks are explicitly made to see if the screen is unlocked before enabling. In theory the service could be modified and compiled into a custom rom to behave like Gingerbread (where it worked with the screen locked but on).
In Gingerbread ApplyRouting was maybeEnableDiscovery and the only check was mScreenOn
http://grepcode.com/file/repository...apps/2.3.3_r1/com/android/nfc/NfcService.java
krohnjw said:
Google Wallet doesn't unlock the device in ICS - it did in Gingerbread. It did this because the NFC Service and polling loop started when the device was awake, yet still locked. This changed in ICS.
It is the service being disabled.
http://grepcode.com/file/repository...4.0.1_r1/com/android/nfc/NfcService.java?av=h
See ApplyRouting where checks are explicitly made to see if the screen is unlocked before enabling. In theory the service could be modified and compiled into a custom rom to behave like Gingerbread (where it worked with the screen locked but on).
In Gingerbread ApplyRouting was maybeEnableDiscovery and the only check was mScreenOn
http://grepcode.com/file/repository...apps/2.3.3_r1/com/android/nfc/NfcService.java
Click to expand...
Click to collapse
So, it's definitely possible to enable NFC with the screen on but still locked. But what about the OP's main question? Is it possible to keep the NFC service active 24/7 with some hackery?
LoveNFC said:
So, it's definitely possible to enable NFC with the screen on but still locked. But what about the OP's main question? Is it possible to keep the NFC service active 24/7 with some hackery?
Click to expand...
Click to collapse
Possibly I haven't looked at that part of the service, the code's all there though (assuming there isn't anything in the blobs preventing it).
how about read NFC tag in lock screen?
krohnjw said:
Google Wallet doesn't unlock the device in ICS - it did in Gingerbread. It did this because the NFC Service and polling loop started when the device was awake, yet still locked. This changed in ICS.
It is the service being disabled.
http://grepcode.com/file/repository...4.0.1_r1/com/android/nfc/NfcService.java?av=h
See ApplyRouting where checks are explicitly made to see if the screen is unlocked before enabling. In theory the service could be modified and compiled into a custom rom to behave like Gingerbread (where it worked with the screen locked but on).
In Gingerbread ApplyRouting was maybeEnableDiscovery and the only check was mScreenOn
http://grepcode.com/file/repository...apps/2.3.3_r1/com/android/nfc/NfcService.java
Click to expand...
Click to collapse
can this be include in one existing apps (the one you create) or only in rooted device ?
Bardamuz said:
can this be include in one existing apps (the one you create) or only in rooted device ?
Click to expand...
Click to collapse
You'd need to modify the actual NFC service - so it would need to be part of a modified ROM.
I think that is not possible, "action" in NFC is kinda to emulate user activity..., I don't that that "user activity" can be done when screen off/locked...
fajarep said:
I think that is not possible, "action" in NFC is kinda to emulate user activity..., I don't that that "user activity" can be done when screen off/locked...
Click to expand...
Click to collapse
when screen is off NFC stop working , except if you root the device it will not be possible to make it run when screen is off/locked
Evening gents,
I have a simmilar requirement for a project - to enable the NFC-read capability with the screen off / device locked.
I understand this is disabled as a security measure, to stop running instructions from external tags without user knowledge.
However, does this "lock" apply to simply reading a tag, and confirming the responce?
I read in various places that there is a "mod" to allow NFC with the screen locked.
Would this need to be done on a rooted phone?
My intention is completely legit - the final app would be installed from the Play store, with permissions required being accepted by the user etc as normal.
Could this "Read NFC with screen off" be authorised and enabled as part of the apk payload installation?
(FWIW, if this is possible, I would need to "ping" (run NFC search, read responce, confirm tag ID) every x-minutes).
THX
It should be possible to "override" the security feature of turning off the NFC reader when your screen is off through a custom, modified kernel. And to those who say that it's a hardware limitation, it's not. At least not on my phone, I used to have this before, on an older version of Android. Now I'm running a CM based rom, on Android 4.4.4, and it doesn't seem to detect NFC cards at all when the screen is off.
But I like it this way, so I'm not complaining.
Hi, in AOKP KK you can set the NFC Polling Mode to "screen off", "screen on locked" and "screen on unlocked (standard)"
Maybe look af github for the code.
greetings from Germany

[Q] HTC One X NFC Reader/Writer

Hi XDA,
I'd like to confirm with you guys if you already tested HTC One X NFC to write on tags? Reading should not be an issue. What tag types can you recommend on writing using One X's NFC?
Thanks,
Skidz
I bought a starter pack of tags from rapidnfc which included a variety of different size sticker tags, a wrist band and a key chain fob.
I have written a few tags to test them out but only have 1 that I'm using in a real world situation (stuck to my laptop so I scan it turns my phone into a wifi hotspots which my laptop then connects to.
Sent from my ARHD powered HOX
I read and wrote some 1K and 4K cards and tags and also read an E-Passport (image, data...), no problems.
I also ordered a started pack from rapidnfc looking forwards to some stickers...
NFC Writing
tehdomil said:
I bought a starter pack of tags from rapidnfc which included a variety of different size sticker tags, a wrist band and a key chain fob.
I have written a few tags to test them out but only have 1 that I'm using in a real world situation (stuck to my laptop so I scan it turns my phone into a wifi hotspots which my laptop then connects to.
Sent from my ARHD powered HOX
Click to expand...
Click to collapse
Thanks for the info. How's the writing time? and what app did you use for writing?
NFC Tag Writer
zvieratko said:
I read and wrote some 1K and 4K cards and tags and also read an E-Passport (image, data...), no problems.
I also ordered a started pack from rapidnfc looking forwards to some stickers...
Click to expand...
Click to collapse
Hi,
Which e-passport are you referring? Are the cards and tags rewritable also?
Thanks
skidz13 said:
Hi,
Which e-passport are you referring? Are the cards and tags rewritable also?
Thanks
Click to expand...
Click to collapse
Czech passport with biometry - I think all new European passports (can) have RFID inside. All that was needed to read it was to provide passport number, date of birth and expiration date, and it decrypted the passport and displayed info (used NFC Taginfo app.)
Yes, when you buy blank cards they are rewritable, even some cards you get for access to buildings/garages, or loyalty cards are not locked and can be re-used (depends on how serious they were about security ).
anybody knows how the power usage is for NFC?
Is it a huge drain on the battery?
a friend of mine has some tags laying around and i'm picking them up next saturday.
Want to program a few tags for a couple of tasks
1) Disable BT and enable WiFi when i'm home
2) Disable WiFi and enable BT when i'm in the car
3) Start NAV when i dock my phone in my car mount
4) Disable WiFi and BT when i'm @ work
HOX NFC Topic
zvieratko said:
Czech passport with biometry - I think all new European passports (can) have RFID inside. All that was needed to read it was to provide passport number, date of birth and expiration date, and it decrypted the passport and displayed info (used NFC Taginfo app.)
Yes, when you buy blank cards they are rewritable, even some cards you get for access to buildings/garages, or loyalty cards are not locked and can be re-used (depends on how serious they were about security ).
Click to expand...
Click to collapse
I should try on my passport also using NFC Taginfo. By the way, I'm using farebot to read my mrt card info, how can I use the info itself to be written on different card?
Thanks
NFC Power
tmaniac said:
anybody knows how the power usage is for NFC?
Is it a huge drain on the battery?
a friend of mine has some tags laying around and i'm picking them up next saturday.
Want to program a few tags for a couple of tasks
1) Disable BT and enable WiFi when i'm home
2) Disable WiFi and enable BT when i'm in the car
3) Start NAV when i dock my phone in my car mount
4) Disable WiFi and BT when i'm @ work
Click to expand...
Click to collapse
I think, the power usage of NFC is not bad unlike GPS can drain faster. But if your really want to save battery, try to switch off 3G/Wifi/GPS, etc and decrease the brightness.
skidz13 said:
I should try on my passport also using NFC Taginfo. By the way, I'm using farebot to read my mrt card info, how can I use the info itself to be written on different card?
Thanks
Click to expand...
Click to collapse
You can't just clone a passport, not possible. It is like a smartcard - you ask it for data, provide some password, and it gives you the data. You don't just "read" it.
zvieratko said:
You can't just clone a passport, not possible. It is like a smartcard - you ask it for data, provide some password, and it gives you the data. You don't just "read" it.
Click to expand...
Click to collapse
I'm not referring on my passport but the mrt card which is NFC-readable. Is that possible?
Sent from my HTC One X using xda premium
skidz13 said:
I'm not referring on my passport but the mrt card which is NFC-readable. Is that possible?
Sent from my HTC One X using xda premium
Click to expand...
Click to collapse
mrt? what is that?
But the probable answer is no - altough you can read and write almost anything, security is usually also tied to the UID of the card, and you can't (usually ;-))) change that. Also, more secure cards don't allow themselves to be read completely - you can just increment/decrement some counter or make them ID themselves.
zvieratko said:
mrt? what is that?
But the probable answer is no - altough you can read and write almost anything, security is usually also tied to the UID of the card, and you can't (usually ;-))) change that. Also, more secure cards don't allow themselves to be read completely - you can just increment/decrement some counter or make them ID themselves.
Click to expand...
Click to collapse
Actually, mrt is a train service in my country. Their card is NFC supported and I'm able to read its data. What I want is if I can add extra data to the card or copy its data to another mrt card. Is overwriting possible without losing its current data?
Sent from my HTC One X using xda premium
lol you wanted to transfer the $ from 1 card to another?
hmm..~
HOX NFC
athenodorus said:
lol you wanted to transfer the $ from 1 card to another?
hmm..~
Click to expand...
Click to collapse
Not really, just want to try adding commands to my existing CEPAS card using NFC.
i have similar idea, so maybe will join this thread.
my thoughts are to clone travel card (to phone) and use phone instead of card (p.ex. to open gates in metro).
is it possible? i couldn't find any app on market
The problem with some actions like change wifi, etc, is the need to unlock the screen for all the actions.
I understand the security point of view, but if I need to unlock the screen, and touch it on a tag, is easier to click a shortcut on my home.
Does have any paramter, or rom that alows to use NFC without unlocking the screen ?
Farebot
skidz13 said:
I should try on my passport also using NFC Taginfo. By the way, I'm using farebot to read my mrt card info, how can I use the info itself to be written on different card?
Thanks
Click to expand...
Click to collapse
My farebot is not reading any details of my ezlink card from HTC One X.
Could you help me please
angusbrasil said:
The problem with some actions like change wifi, etc, is the need to unlock the screen for all the actions.
I understand the security point of view, but if I need to unlock the screen, and touch it on a tag, is easier to click a shortcut on my home.
Does have any paramter, or rom that alows to use NFC without unlocking the screen ?
Click to expand...
Click to collapse
[MOD] NFC on screenoff
Sent from my HTC One X using xda premium
tehdomil said:
I bought a starter pack of tags from rapidnfc which included a variety of different size sticker tags, a wrist band and a key chain fob.
I have written a few tags to test them out but only have 1 that I'm using in a real world situation (stuck to my laptop so I scan it turns my phone into a wifi hotspots which my laptop then connects to.
Sent from my ARHD powered HOX
Click to expand...
Click to collapse
Sorry in advance for the potentially daft question. I would like to do similar to what others have posted, ie a tag in the car to turn on BT and turn off WiFi etc. Will order some tags but don't know how to write them. Can the One X write to the tags using NFC ReTag or similar? If not whats the procedure?
Thanks all

[INFO][UPDATED 11/3] What do your NFC tags/tectiles do?

So I thought I'd make a thread about some of the things we are doing with our new GS3's and it's uses with NFC! Sure we can all google some of the uses but why not share some things not mentioned and share ideas. I think this is a good place to do just that!
For those of you that are unfamiliar with NFC and what it stands for/means, you can Wiki it, or I actually thought this was a better explanation.
A good app and very useful to have is NFC Task Launcher from the Play Store. It writes tags, erases tags, locks tags.. all done with your GS3! I can't remember if there was a free version or not. Either way, well worth the couple or few bucks that it cost.
It's also got a list of places to get blank NFC tags. I bought my starter pack for like $15 or $20 bucks and it came with a ton of tags, and a keychain!
User dhendy91 has made a Guide for Google Wallet. Be sure to check out his thread for another great use for NFC.. don't forget to press his Thanks button!
(Link removed)
And it gets better! User meyhemer has created a MOD to use NFC with the screen off or phone locked! Great stuff.. please visit his thread and show him some thanks as well!
Here's a list of places you can order NFC tags from here in the US: (NFC tasker has the same list!)
www.Tagstand.com
www.buynfctags.com
www.tagsfordroid.com
www.identivenfc.com
For more links and info regarding NFC right here on XDA, Click Here. Chances are if you have questions, they are answered in that section. Feel free to ask here too!
Love to hear some more suggestions and ideas or whatever else you guys are doing with NFC. Chime in even if you haven't put that idea to use yet!
UPDATED 11/3
I'm gonna try to compile a list of some ideas and uses we have so far!
Call these tasks whatever you want, I'm jut going to call them whatever comes to mind for simplicity sake.
Bedtime/Night mode- set ringers, media, and notification volumes down to a minimum or silent when you go to lie down.
Car Mode- Turns on Navigation, GPS and maybe even thrown on some tunes
WiFi Toggle- Have a tag to turn on and connect WiFi to a specific Network.
Work Mode- Change ring/notification volume when your at work, connect to network, sync work email when your at... work
Disable Sync- Could also be used as nightime thing to save battery when you go to sleep.
Check-ins- Use a tag to check into a certain place.. your gym, school, etc..
Ads, or offers in shops- "where a user could tap on one, and be taken to a promotional page on x site, that could be tracked using a tracking code".
workout/bicycle routine- pretty neat idea
Coffee anyone- a tag can have an URL command turn on your coffee expresso machine!
Door locks- http://www.engadget.com/2011/09/20/yale-demos-nfc-enabled-residential-locks-germaphobes-rejoice-v/
Come home- A tag to fire up wifi and whatever else you may want when you get home
Message/Letter- Write a note on a tag, send it with a care package!
Screen Timeout- Adjust your screen timeout along with another task
If you find this thread useful don't forget to slap the THANKS button!
I just having boring one's.
Toggle WiFi and connect to a specific network.
Turn on GPS and open Google Navigation
Change ring/notification volume when I'm at work
Lol.. though simple they are pretty cool and neat to see em work. It'd be nice if every phone had NFC.. that way you could make a wifi one for your house without ever having to give up your password! That would be cool..
sent from my Galaxy S III
Are the tags re-writable?
Sent from my SGH-T959 using XDA
accordex said:
Are the tags re-writable?
Sent from my SGH-T959 using XDA
Click to expand...
Click to collapse
Most are.. you can also lock some tags so they can't be rewritten.
sent from my Galaxy S III
Do u recommend any particular nfc tag to choose from? Are the ones from ebay as good?
Sent from my GT-I9300 using Tapatalk 2
ceo.mtcl said:
Do u recommend any particular nfc tag to choose from? Are the ones from ebay as good?
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
Yeah.. they are all pretty good. I used RapidNFC and the starter pack I got came with different size tags.. a bunch of ultra lights and a couple ntags, which I think is just a bigger chip.
Should be noted the ultra light tags though can't do things like web URLs.. not big enough apparently.
sent from my Galaxy S III
Yo
Just ordered mine from RapidNFC,
I plan to set one up next to my bed to disable syncing when I go to sleep and save battery cause signal is so poor from my bedroom, set phone to silent and enable my alarm, then tap again in morning to undo it and send text messages trolling my missus who is working away at the moment.
Also plan to stick one to my desk in work to silence the ringer, connect to work wifi and turn on auto sync for my work email.
I like the work tag.. I can see lots of people using that idea!
sent from my Galaxy S III
Don't forget guys that some of the smaller tags won't allow u to store enough info on them to do more than one or two tasks.
Go a 1k tag and that will allow you to pop a few tasks at a time on it.
Oh an I have a tag on my door for checking in at home, switch wifi on and change to normal sound profile.
In work a tag on desk activates silent profile, disables wifi and checks in on foursquare.
Used nfc quite a bit on my Nokia N9 and it's a really handy feature to have on a phone.
Sent from my GT-I9300 using xda premium
This is all new to me. But seems amazing.
is NFC something that you have to actually enable on the phone, or is it always on?
gavinfabl said:
This is all new to me. But seems amazing.
Click to expand...
Click to collapse
Yeah.. pretty cool stuff and very useful for phones!
Wond3r said:
is NFC something that you have to actually enable on the phone, or is it always on?
Click to expand...
Click to collapse
Yeah you just have to tick it on. Menu> Settings> More> (then tick the NFC box.. ) also take a look around in there.. turn on S-beam as well.
I'm gonna set some more up this weekend just to mess around and see what I can put on some of these tags!
sent from my Galaxy S III
Oh so i guess it constantly runs in the background using battery waiting to detect a tag
Do you need a second tag to set your phone into "daytime mode" when you wake up? I've been wondering about this for a bit?
Wond3r said:
Oh so i guess it constantly runs in the background using battery waiting to detect a tag
Click to expand...
Click to collapse
I'm getting minimum 12hrs of usage off a single charge so I dont notice any battery drain.. also I don't think its constantly searching for a tag.. it just recognized the chip when it comes close enough to one.
ChrisHRocks said:
Do you need a second tag to set your phone into "daytime mode" when you wake up? I've been wondering about this for a bit?
Click to expand...
Click to collapse
There's a toggle option on the NFC Tasker app. So basically you set 2 tasks.. the first time you tap the tag it does the first task and the second time it does task 2.. more or less making it a toggle. Just set it up like that.
sent from my Galaxy S III
Coreym said:
I'm getting minimum 12hrs of usage off a single charge so I dont notice any battery drain.. also I don't think its constantly searching for a tag.. it just recognized the chip when it comes close enough to one.
Click to expand...
Click to collapse
try a charge with the NFC off and see the difference?
I dont see how it can sense a tag near it if its not 'searching' for one. same goes for bluetooth and wifi.
If you are concerned about your battery life you can always do all those tasks the NFC tag does manually, and drain your living hours
I think it is worth whatever the drainage the nfc will do comparing to switching all the different toggles manually and doing it every single time you get into the car, get into the office, house, and whatever you have used those tags for.
Just sayin...
Wond3r said:
try a charge with the NFC off and see the difference?
I dont see how it can sense a tag near it if its not 'searching' for one. same goes for bluetooth and wifi.
Click to expand...
Click to collapse
Yeah beats me but I will try a full charge without NFC ticked and see how it does!
sent from my Galaxy S III
If you haven't already, check out Microsoft's on{x}. It's a program which has similar functionality to NFC chips. Once my SGS3 arrives, I'll be doing some development on these.

Samsung Ezon NFC Unlock

I have the door lock and have some NFC stickers which work great
I have the Note and am trying to figure out how to use it with the door lock, but i cant get it to work i have NFC on and downloaded some apps
I put the Ezon in setup mode and the stickers register fine but not the phone, so im sure something is not right, but have no idea which
Won't work..
xboxhaxorz said:
I have the door lock and have some NFC stickers which work great
I have the Note and am trying to figure out how to use it with the door lock, but i cant get it to work i have NFC on and downloaded some apps
I put the Ezon in setup mode and the stickers register fine but not the phone, so im sure something is not right, but have no idea which
Click to expand...
Click to collapse
As I understand it, the only way to get your phone to unlock the Samsung Ezon is to be using Google Wallet and use the Loyalty Cards feature. I don't think the Note has Google Wallet so you might be out of luck. I have been trying to do the same thing for months now with a One X, One, S4 and Nexus to no avail.
from a google search I found this quote
your mobile phone to be your access key. This would then allow you to control when your card is active and when it is not. If you have an Android device that supports Google Wallet, you’re all set. The trick is to have Google Wallet installed with at least one “Loyalty Card” setup in the wallet, then make sure the card is enabled. Doing this enables NFC card emulation on your device which will present a UID to the EZon when it is within range. This type of card emulation is different from your payment information (so you don’t have to worry about the lock charging your bank account each time you unlock it). You can then enroll your phone just like a physical access card to the EZon and use your phone to unlock the device. The added benefit is that when your phone’s screen is turned off, card emulation is off as well which makes things a lot harder to tap and then clone.
Click to expand...
Click to collapse
..
I just installed my Ezon 6020 on saturday, and I havent been able to get it to detect me phone using the Commonwealth bank contactless app D:
it doesnt detect my usual credit cards either which surprised me...
did you find anything OP ?
any updates on this?

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