If you have damage, blow out the speaker or other faulty speakers, you will need to replace this part.
[pre sales Q & A]
Q: what are the faults caused by the failure of the built-in earpiece?
① there is no sound when listening to the phone
(2) the sound of the earpiece is low or noisy (in addition, the cause of the low sound may also be the screen earpiece net caused by sweat or dust blockage);
Earpiece: a loudspeaker that sticks to the ear
For iPhone 7plus
Built in handset failure?
Replace the earpiece in case of the following situations!
1. Listen to no sound, small sound, noise and electric current when answering and calling
2. Wechat and other chat software listen to the small voice, no voice, noise and electric current