Speaker problem

Eli_beth wrote:

I receive calls but i can hear anything unless i put in on loudspeaker, how can i fix that

Have you tried restarting the iPhone

restart, ie power off/on,

estart your iPhone - Apple Support

Adjust the volume on iPhone - Apple Support

If you hear no sound or distorted sound from your iPhone ...

no resolve

you can read more https://www.businessinsider.com/iphone-speaker-not-working

Eli_beth Said:

"Speaker problem: I receive calls but i can hear anything unless i put in on loudspeaker, how can i fix that"

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Disable Bluetooth:

Look at Bluetooth on your iPhone in Settings. See if there is another audio device using your iPhone for audio input. If so, disable Bluetooth. See if it now works.