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Circle/Button on back of TB?

Discussion in 'HTC ThunderBolt' started by Purgatoiry, Apr 1, 2011.

  1. Purgatoiry
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    Purgatoiry New Member

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  2. motty69
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    motty69 New Member

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    The Thunderbolt's pee-pee place?

    Sent from my HTC Thunderbolt
  3. TheTyler0013
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    TheTyler0013 New Member

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    Antena? Lol

    Sent from a bolt o' thunder!
  4. 66dude
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    66dude New Member

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    The phone's gotta have a tailpipe somewhere to vent all the heat from the battery and CPU! :)
  5. mitchb2
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    mitchb2 New Member

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    I'm guessing it's a plug that covers a screw?
  6. jlambeth1
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    jlambeth1 New Member

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    HAHAHAHA, +1 on this one!
  7. xeene
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    xeene Well-Known Member

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    that's it!
  8. Larry_ThaGr81
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    Larry_ThaGr81 New Member

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    No, it's the second mic of the dual microphone setup that acts as the noice cancellation mic. The only problem is that when using the video recording, it's been cancelling not only the ambient noises, but the actual talking for some users during a recording. HTC has acknowledged that the problem does exist, but it's not like it happens every time. Some users say that if they cover the noise cancellation mic (the little circle on the back) it prevents the mic from cancelling out the wrong frequencies like users talking during a video recording.
    Last edited: Apr 2, 2011
  9. CsonkaBear
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    CsonkaBear New Member

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    Best answer yet. :icon_ banana:
  10. Greg Elmassian
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    Greg Elmassian New Member

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    Yeah and a great one for April 1.

    It's a solid rubber plug, I did not pull mine out, I'd guess it is a location for an antenna, since the antenna is indicated as being in the base in the manual.

    Greg
  11. mitchb2
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    mitchb2 New Member

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    I thought the noise cancelling mics were the little holes above the LED flash.

    Anyway, the circle thingy isn't a screwhole plug, because I just got my Seidio case yesterday and there's a cutout for it.
  12. Larry_ThaGr81
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    Larry_ThaGr81 New Member

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    Precisely it wouldn't make sense to cover up the noise cancellation mic. If it was really a screw hole plug then they would just cover that up, what would be the point of leaving that uncovered when we can simply take off the phone case for the occasional, if ever dismantling of the phone.

    Sent from my Droid using DroidForums
  13. dajogejr
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    dajogejr New Member

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    There is a tiny hole on top of my phone in front of the 3.5mm adapter jack.
    There is another hole on the bottom.
    I believe the top hole helps with noise cancellation.
    I don't think they would put the cancellation mics so close together, the theory behind it is the measure sound from one and sound from the other. Being that close together I don't see it functioning properly.

    Could be wrong...:)
  14. MrKleen
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    MrKleen New Member

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    Gps................
  15. TheFarmerDeBoer
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    TheFarmerDeBoer New Member

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    I've been wondering about this too..

    The noise cancelling microphone is on the top of the phone because it's aimed for the ambient noises, it wouldn't be on the bottom.
    Maybe the case makers were just as clueless and decided to play it safe
  16. Larry_ThaGr81
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    Larry_ThaGr81 New Member

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    To my knowlege there are two noice cancelling microphones. But I'm going to do a little bit of fishing on the internet to see what I can find out.
  17. TheFarmerDeBoer
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    TheFarmerDeBoer New Member

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    Just did a little bit myself and found this:
    http://androidcommunity.com/wp-content/uploads/2011/04/2011-04-11_110941.jpg

    Apparently it's the CDMA antenna
  18. Larry_ThaGr81
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    Larry_ThaGr81 New Member

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    Ok guys, got the official answer and I will be the first to admit that I was completely wrong out its purpose. Here is what a HTC rep had to say about it.............

    Dear Larry,
    I understand you would like to know what the gray circle is on the back of the Thunderbolt. If you are referring to a piece that is rubber like, this is a cover for a screw that is holding the back speaker under the kickstand into place.
    To send a reply to this message or let me know I have successfully answered your question log in to our ContactUs site using your email address and your ticket number 11USCW17ENA000078.

    Sincerely,

    Lisa
    HTC
    Want to see what others are saying? Have a question to ask other HTC fans?
  19. eppey1
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    eppey1 New Member

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    Thanks for finally figuring this one out. You saved me a sliced up rubber piece, as I was about to tear out the circle out of curiosity since nobody here knew the answer.
  20. TheFarmerDeBoer
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    TheFarmerDeBoer New Member

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    Here's a video of a complete Thunderbolt tear apart. The guy never even touches the rubber piece yet disassembles the phone completely
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