TouchID activation?

Discussion in 'iPhone Tips, Help and Troubleshooting' started by BSDanalyst, Sep 23, 2013.

  1. BSDanalyst macrumors regular

    Joined:
    Sep 16, 2013
    Location:
    Hong Kong
    #1
    Does anyone know when does TouchID "turn on" and begins its process of reading prints? Is it when the steel ring detects your finger or when it just detects something? Does it need to be warm or does something cold work as well?
     
  2. BSDanalyst thread starter macrumors regular

    Joined:
    Sep 16, 2013
    Location:
    Hong Kong
    #2
    I tested it using different materials and it doesn't seem to work, can anyone confirm this?
     

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