Unable to hear the voice of the caller on my iPhone 13

Does other audio outputs work on your iPhone? This would be indicative of a speaker issue and not the microphone.

Please first consult and troubleshoot the following article:

If you hear no sound or distorted sound from your iPhone, iPad, or iPod touch speaker - Apple Support

If that does not work, there may be a hardware/physical issue with your iPhone’s speaker that needs to be serviced at your nearest Apple Store’s Genius Bar or Apple Authorized Service Provider.

Genius Bar Reservation and Apple Support Options - Apple

你好、

你应该提高你的音量，就可以听见对方了

上帝保佑你！

谢晨龙

"Quero remover ios 26 como ?"

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What does your post have to do with that of the OP? Create your OOWN post, including what you are looking to achieve, and how you've troubleshot it, thus far.

I'll keep an any out for it.

Quero remover ios 26 como ?