SOLVED: What is the N (with waves) at the Top of My Samsung Galaxy S3

I have been looking at this “N” (see right) for weeks and have not figured out what it is doing.  I have turned off WiFi so it should not find an 802.11 N networks.  This was making me nuts.

what-is-the-N-on-my-samsung-galaxy-s3

It turns out that “N” relates to NEAR FEILD COMMUNICATION.  If you don’t know what that is, you will soon.  NFC allows your hand held device (typically a cell phone) to transfer data (like credit card information) to another device if it is VERY close to it.  Sooo, if you want to pay for your Coke, you could just tap your phone to the Coke machine and bingo, you b’een charged.  It is also used in Samsungs case to transfer files, pictures… between Galaxy S3 devices just by tapping the back of them together.

For now I have no use for it and like all radio’s, it is sucking down my battery, so I turn of NFC by:

  1. Clicking SETTINGS
  2. WIRELESS & NETWORKS
  3. unchcking NFC

Comments

  1. Avatar
    amy July 10, 2014 at 1:13 am

    thank you!

  2. Avatar
    shaky June 16, 2014 at 4:51 am

    Thx very muchh&

  3. Avatar
    Tom G May 25, 2014 at 5:19 am

    Thanks for this, this only showed up on my phone this week, it has never been there before. How could it have been turned on without my knowledge or my doing it? has someone else tinkered with my phone? is this something I inadvertently did that turn this on? it sure was a drain on my batter.

    • Avatar
      Stacey Brent June 27, 2014 at 6:08 am

      It also only showed up for me this morning, after installing the new software update pushed by Verizon. Perhaps you installed the software update as well and this is part of that update.

  4. Avatar
    Robbo wensley May 18, 2014 at 12:56 am

    Top Man Cheers fella

  5. Avatar
    John-H April 13, 2014 at 3:24 am

    Thanks for the update, it was driving me nuts.

  6. Avatar
    kaur March 4, 2014 at 4:36 pm

    Thank u so much

  7. Avatar
    lee January 23, 2014 at 8:20 pm

    Ughh! Thank you so much. It was driving me crazy. Im so glad I finally googled it lol.

  8. Avatar
    Mohammed Aslam December 18, 2013 at 11:12 am

    Its actually 1)setting 2) more settings. Just thought id clarify. Thanks

  9. Avatar
    DiscoLover79 December 6, 2013 at 10:41 am

    Thanks for the detailed info much appreciated!

  10. Avatar
    Stephanie Guy November 30, 2013 at 1:44 am

    Very helpful thank you.

  11. Avatar
    sam November 22, 2013 at 7:17 pm

    I tried hooking up my usb cord to my tv to no avail and the n has been there every since wtf

    • Ian Matthews
      Ian Matthews November 29, 2013 at 12:04 am

      Hi Sam;

      NFC is unrelated to USB.

      USB is unrelated to TV… well, mostly; you can buy an HDMI converter cable that connects to the USB but my testing did not go well with this feature. We would see about 5 frames a second which is just terrible.

      🙁

  12. Avatar
    Pasan October 28, 2013 at 5:41 am

    Thanz Dude

  13. Avatar
    Kay August 23, 2013 at 8:25 pm

    THANK YOU you the best !

  14. Avatar
    Abbi May 24, 2013 at 2:51 pm

    Does it eat up your mobile data?..

    • Ian Matthews
      Ian Matthews June 3, 2013 at 10:56 pm

      I am 99.9999% sure that it does not use any mobile data. That is the point. Near Field Communications are direct.

      I think this means your S3 has the following “radios”:
      1: WiFi
      2: Cellular
      3: Near Field

      I hope this helps.

      • Avatar
        Juan C Walls July 27, 2013 at 5:43 am

        And do not forget the GPS radio. It is a one way radio but radio after all.

        Also there is an FM radio but it needs the earphone cable to serve as antenna.

        There is also the Bluetooth, of course, but this is really a special case of wi-fi connection.

        Yes, our tricorders are packed full of tiny radios 😀

      • Avatar
        stephane February 15, 2014 at 9:10 am

        thanks man ….call my provider and they say “we don’t know “

  15. Avatar
    Sue May 10, 2013 at 2:41 am

    Thanks it was driving me mad too 🙂

Questions or Comments?