Why can't the other person hear me when I turn on speaker of my Samsung Galaxy S4?

I use a Samsung S4, when i turn on speaker when in call i can hear the other person but they cant hear me, Anyone know how to fix this?




That can be a result of a hardware problem. Might have something to do with the noise cancellation mics. Can't really say for sure. Also, check the mic if it is clean. But I still suggest you contact Samsung or the store where you bought it for assistance/repair. Hope you get it fixed soon. Good luck.



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