If you are using an iPhone4 and the ringtone has become more difficult to hear than usual, and the sound is no longer coming out even if it is a speaker, there is a possibility that the speaker inside the iPhone has broken down.
I don't think you can immediately determine if the speakers themselves are faulty or if they are a problem on the software side, but please try to restart once after you back up.
If the symptoms still do not improve, the speaker itself is likely to be out of order, so I think this decomposition method can be used as a reference.
There is a work to remove the battery in the middle, but please refer to a separate page because the battery decomposition method is published on other pages.
[iPhone4 Loudspeaker Replacement STEP 2]
The screw of the orange part in the image is removed, but the black plate under can be removed by hand if the screw can be removed.
[iPhone4 Loudspeaker Replacement STEP 3]
I think that it becomes the state of the image when I can remove the plate of the iron of the previous, but I will remove the connector of the orange part.
This connector is the wiring of the dock connector, but it must be removed because there is a screw under the cable.
If you lift the orange part from the bottom to the top, you can remove the connector, and the red frame part is glued with light double-sided tape, so let's remove it slowly to the front side!
[iPhone4 Loudspeaker Replacement STEP 4]
If you peel off the wiring of the previous, you will find a screw in the red circle part, so it will be removed.
The connector of the orange part becomes the wiring of the loud speaker, so remove it as well here.
You can easily remove it if you gently lift it upward from the bottom.
[iPhone4 Loudspeaker Replacement STEP 5]
There is one screw on the right side of the loudspeaker, so let's remove it!
[iPhone4 Loudspeaker Replacement STEP 6]
The loudspeaker could be removed from the iPhone4 body.
If there is no sound coming out of the speaker, there is a case to improve by replacing this parts, so if it breaks down, please try to replace the parts once!
If you are using an iPhone4 and the ringtone has become more difficult to hear than usual, and the sound is no longer coming out even if it is a speaker, there is a possibility that the speaker inside the iPhone has broken down.
The screw of the orange part in the image is removed, but the black plate under can be removed by hand if the screw can be removed.
I think that it becomes the state of the image when I can remove the plate of the iron of the previous, but I will remove the connector of the orange part.
If you peel off the wiring of the previous, you will find a screw in the red circle part, so it will be removed.
There is one screw on the right side of the loudspeaker, so let's remove it!
The loudspeaker could be removed from the iPhone4 body.
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