iPhone 11 Pro Distortion in Microphone, first it sounds too low then suddenly gets high with glitch effect


macrumors member
Original poster
Sep 28, 2012
Hi guys, im noticing this issue since ios 13.5.1, this is weird and confusing issue ive ever got. I never expected this type of issue especially premium device like iphone.

Microphone is working strange,
I use to voice chat lot than typing,the strange part is, when i hold/press record button and play recording, sound i get is too low for 1 or 2 second then i see sudden increase in sound with glitch effect. I will try to post recording if iPhone allow i dont know.
Ive tried to restore software from itunes. But it didn’t fixed the issue. Is this hardware or software, have anyone experienced this ? Or its just me?

audio file of example.
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