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using s3 as a NFC access card

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By sladekennedy, Junior Member on 15th February 2019, 01:30 PM
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I have an ISO 14443-3A NFC access card for university and im looking to use my S3 Frontier as my access to class and purchases on campus. i know the watch has nfc capabilities but is this possible?
15th February 2019, 11:44 PM |#2  
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I'm guessing it's possible, but you would need a custom app, and probably with root privileges.

The standard use is by Samsung Pay, which does not even replicate your existing card NFC but creates a new unique one instead.

I have to admit that this would be pretty cool, however. Things like transport cards etc which are becoming ubiquitous. There's definitely a market for this for an enterprising developer!
2nd April 2019, 02:35 PM |#3  
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Do you know if there is any code documentation for that? On how to access the nfc in my gear s3 to emulate an nfc tag? Any documentation on tizen nfc?

---------- Post added at 03:35 PM ---------- Previous post was at 03:22 PM ----------

NVM - I actually found the documentation. I am going to try and code this, oh boy, that's going to be one hell of a challenge
8th April 2019, 01:29 PM |#4  
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Did you ever start this project?
8th April 2019, 02:01 PM |#5  
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Quote:
Originally Posted by ZerosMadness

Did you ever start this project?

Me? I did. Mostly just researching right now, didn't wanted to jump the gun and start before knowing if this is even remotely possible for me. It's definitely more complex then I expected, luckily I have some nfc knowledge, so this should come in handy. I also tried to find out if someone ever tried to do such a thing, had no luck with that though.
I guess the next step is to just build a custom app that utilizes the nfc in the watch, like a very simple app to learn how to work with it, and then develop it further to somehow magically pull it off and send the data of a copied tag from the watch to a reader.
I think it's possible though if I put in enough work, even if it's a bit out of my league tbh.
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1st May 2019, 01:23 AM |#6  
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Quote:
Originally Posted by FliceR

Me? I did. Mostly just researching right now, didn't wanted to jump the gun and start before knowing if this is even remotely possible for me. It's definitely more complex then I expected, luckily I have some nfc knowledge, so this should come in handy. I also tried to find out if someone ever tried to do such a thing, had no luck with that though.
I guess the next step is to just build a custom app that utilizes the nfc in the watch, like a very simple app to learn how to work with it, and then develop it further to somehow magically pull it off and send the data of a copied tag from the watch to a reader.
I think it's possible though if I put in enough work, even if it's a bit out of my league tbh.

Hopefully you find help because this is a much needed app. I would love to not carry my badge everywhere if i could have it in my watch and phone. Keep us updated if you can!
2nd May 2019, 08:11 AM |#7  
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Quote:
Originally Posted by ZerosMadness

Hopefully you find help because this is a much needed app. I would love to not carry my badge everywhere if i could have it in my watch and phone. Keep us updated if you can!

Thanks, though it's more complicated that it seems (Or that I though). I run into the same issues as some other a while back, not sure how to fix it, they never found a fix either, or at least they never posted it. It feels like a problem with me using a non rooted watch, because some operations of the api i am just not able to execute right. Guess my next step is to try it with a rooted watch, maybe that solves one of the many issues
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25th March 2020, 03:24 AM |#8  
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Quote:
Originally Posted by FliceR

Thanks, though it's more complicated that it seems (Or that I though). I run into the same issues as some other a while back, not sure how to fix it, they never found a fix either, or at least they never posted it. It feels like a problem with me using a non rooted watch, because some operations of the api i am just not able to execute right. Guess my next step is to try it with a rooted watch, maybe that solves one of the many issues

Did you continue with a rooted watch?
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