The internal earpiece (top speaker) allows you to hear the person you are talking to. It needs to be replaced on the Samsung S24 Ultra if it crackles or no longer emits any sound.
This internal earpiece (top speaker) generates the sound of the person you are talking to during a call on the Samsung S24 Ultra.
Here are the symptoms that will let you know if it needs to be replaced:
Replacement is very simple and takes about 15 minutes; no repair knowledge is necessary.