Random Vibrations

Discussion in 'HTC ThunderBolt' started by Linag1113, Feb 16, 2013.

  1. Linag1113

    Linag1113 New Member

    Feb 14, 2013
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    My thunderbolt has been making random vibrations for the last few weeks, and it has been progressing. I read a couple places that it seemed to have been the Groupon app. So I uninstalled it, thinking that might have done the trick. However, the random vibrations continue. No text, no email, no fb notifications, nothing. There are no notifications whatsoever that prompt the vibrations so I'm at a loss as to where its coming from.
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