What if there is no sound on the mobile phone?

The mobile phone used to work well, but recently it suddenly stopped working. No matter whether you answer the phone or listen to music, you can't hear the sound. What's wrong with the phone without sound? There are only two parts that a mobile phone can make sound: the receiver and the speaker (commonly known as the speaker). Step-by-step elimination method can diagnose where there is no sound in the mobile phone.

Check the system settings.

Enter the volume or sound effect setting, and check whether the phone is set to the lowest volume. Include buttons for adjust that volume of the mobile phone and adjusting the volume to the maximum.

Restart the phone

Restart the phone to see if there is any sound, mainly to detect whether there is a problem with the compatibility of the phone system and hardware, resulting in volume failure.

Headphone mode

Confirm whether the phone has entered headset mode. Plug the earphone into the mobile phone and see if there is any sound in it. There is a metal shrapnel in the earphone jack, which automatically switches to the earphone mode when the earphone is inserted, and the metal shrapnel will bounce back to switch to the normal mode when the earphone is pulled out. If the earphone is plugged in and out frequently, the metal shrapnel may fail and keep the earphone mode all the time, resulting in no sound in the mobile phone. It can be plugged and unplugged several times to return the metal shrapnel to its original position. On the dial * # * # 64663 # * *, there will be a list of system function tests, including earphone insertion test, which can detect whether the mobile phone is switched to earphone mode.

loudspeaker

The speaker is mainly used for playing sounds on mobile phones, such as ringing of incoming calls, receiving information prompts, listening to music, hands-free mode of mobile phone calls, key tones of mobile phones, etc.

telephone receiver

The receiver of a mobile phone is mainly used to transmit sound to the ear during the process of receiving and calling, so it should be exposed outside the mobile phone. There is a hole in the phone. Although there is a dust filter, if water, dust, drinks or grease enter the receiver, the receiver is easily damaged. We will have to send it to be repaired.