Mute button does not vibrate, phone vibrates normally otherwise
Hi everyone,
my iPhone 6 mute button switches and stays in place properly but it does not cause a vibration anymore, nor does it actually mute the phone. However, the vibrator works fine: it activates as intended when the phone rings or during alarms/timers.
Before this happened, the vibration response of the mute button had been gradually getting flakier over time, requiring me to either press stronger on the button to obtain it or even to help it by tapping slightly on the phone's frame.
So clearly, the problem seems mechanical in nature. Moreover, this being an iPhone 6, the frame is so slightly bent that the back of the phone is not 100% flat anymore when laid on a horizontal surface (not sure if this is related).
How should I proceed to investigate further? Open the phone, dust it up carefully and re-assemble?
Thanks in advance!
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