Back of phone vibrating when on a phone call?

Jigga

macrumors 6502
Original poster
Jun 11, 2009
466
74
Anyone else having this issue?
I'm currently using a 6S Plus and feel a vibrate on the back of the phone when on a call when the person on the other end is speaking or when the line is ringing.
 

Jigga

macrumors 6502
Original poster
Jun 11, 2009
466
74
Speaker phone or internal speaker?

Either way it is likely just the speaker causing the back to vibrate, don't you think?
Internal speaker. Yes, it's the speaker causing the back to vibrate. My 6 never did that.
 
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