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Recently when I pick up my iPhone 7 Plus (especially when it is charging), there was some kind of vibration that felt like a turning gyroscope which I played when I was a kid. And then after picking up the phone for 10, 20 seconds, the vibration would stop. What was it about? If it was a gyroscope, what was it turning for?

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i think it's Taptic Engine. This engine can turned off.

If you like to disable go to Settings -> Sounds & Haptics - > System Haptics -> turn off.

Taptic Engine is different from 3D Touch. So disabling haptics won’t turn off 3D touch.

  • does the Taptic Engine turn and want to maintain some kind of inertia? – nopole Oct 31 '17 at 2:07
  • isn't the Taptic Engine about 3D Touch, and not related to something rotating and vibrating? – nopole Oct 31 '17 at 6:43

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