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There is a problem with the filter of the phone speaker, or the speaker is getting into something.
Solution. 1. Try again with a file with good sound quality.
2. Restart the phone to see if the phone is running too slowly and causes broken sound and noise.
3. Reinstall the battery and back cover, especially if the back cover of the mobile phone is not put for the time being, and test the sound quality of the mobile phone speaker.
4. The speaker speaker enters the impurities and vibration diaphragm damage can only be sent for repair, usually the warranty period is 1 year, if it is not man-made damage, the speaker noise is within the scope of the after-sales warranty, and can be replaced free of charge.
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Dear Lenovo mobile phone users, hello!
The Lenovo mobile phone K910 you are referring to has noise during the call, is it heard by the other party during the call, or do you hear it yourself, or can both parties hear it?
Phenomenon 1: Noise heard by the other party. It is recommended that you try the following:
a. If the individual call is like this, it is not excluded that the other party's mobile phone problem is used, and it is recommended to use observation;
b. If all calls are like this, it is recommended that you test in a quiet environment
a. If there is no noise in a quiet environment, it is recommended that you do not use it in a noisy environment.
b. There is also noise in a quiet environment, please send it to our authorized maintenance station in time.
Phenomenon 2: Noise that you hear or can be heard by both parties. It is recommended that you try the following:
a. If the individual call is like this, it is not excluded that the other party's mobile phone problem is used, and it is recommended to use observation;
Let's ask about it, let's talk about it.
Have a great day!
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The K860 I use claims to have dual microphone noise cancellation and noise during calls.
Just remove the Zhiyin function in the call settings.
Hope it helps.
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If you are using headphones to answer and there is noise, it is recommended to change the headphones.
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Lenovo K900 speaker broken sound serious solution:
1. Restart your phone;
2. Restore factory settings;
3. After-sales inspection and maintenance processing.
The steps to do a factory reset are as follows:
1. Turn off the phone completely;
2. When the phone is turned off, press the power button first, and then immediately press the volume down button + volume up button at the same time and don't let go, it will enter recovery after a while, note: press the volume up and down keys in recovery mode to select, and press the power button and home button to indicate OK;
3. After entering the recovery mode, you can choose to restore factory settings, regardless of whether the phone is the recovery that comes with the system or the recovery of a third party, as long as there is [wipe data factory reset].
4. Select [Wipe Data Factory Reset], then press the boot button to confirm, and then select [yes - delete alldata].
5. Then re-select [Reboot System Now], press the power button to confirm, and then start the phone.
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Take a look at the various types of volume in the settings, then unplug the battery and reboot to take a look
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We apologize for any inconvenience this may cause and affect your use. It is recommended that you use the Lenovo service to detect whether the speaker is abnormal, and the specific operation method is as follows:
Le service--testing center--speaker.
If there is no abnormality in detecting the speaker, it is recommended that you back up your data (contacts, text messages, **, etc.), then go to your phone's settings, select Backup or Reset, and then select Factory reset to try.
If there is an abnormality in the detection speaker, it is recommended that you go to the local after-sales maintenance site for inspection and repair as soon as possible.
Lenovo Authorized Repair Site Query:
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Dear Lenovo mobile phone users, hello!
We apologize for the inconvenience caused to your mobile phone.
According to the description, if there is noise from the handset or speaker of the phone, it is recommended that you try to test it by plugging in the standard headphones.
If the sound of the earbuds is normal, it may be caused by a malfunction of the handset or speaker of the mobile phone.
If the sound of the earbuds is abnormal, it may be caused by the abnormality on the motherboard of the mobile phone.
Since we can't see the specific situation of your mobile phone remotely, we need you to take the time to go to the local Lenovo after-sales service center and let the engineer help detect and solve it. You can log in to the official website to check the address.
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We apologize for the inconvenience.
Tested speech is normal. It is recommended that you arrange for the machine software to be upgraded to the latest version before use, and it is recommended that you verify that it contains other voices**, such as**, etc., if it can be normal**, the mobile phone device is normal;
For the situation that occurs when using third-party applications, it may be related to version compatibility, it is recommended to talk about lead You refer to the above version, if you still have relevant doubts, it is recommended that you contact Lenovo authorized maintenance sites in time, and hand them over to engineers for testing and maintenance, you can visit.
Find the nearest site. The business hours of the maintenance site are usually from 9:00 to 18:00 from Monday to Sunday, except for holidays, and the stations will be slightly adjusted according to their own operations.
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3 Hello all, sorry for the inconvenience.
If there is noise on your mobile phone, it is recommended to perform a simple investigation according to the following scheme:
1.It is recommended that you use headphones for comparison, if there is no obvious sound breaking in the headphones, you can judge that it is caused by the abnormal speaker, please send it to the repair site in time;
2.If the earbuds cannot be used normally, it is recommended that you back up the body data for factory reset, if the problem still exists after restoration, please take the time to go to the repair station for specific testing and treatment.
You are welcome to contact us at any time or visit Lenovo Lewen (for consultation.
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Fall or enter the impurities adsorbed.
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If there is noise, it is generally electromagnetic interference, try it in a different position. Separate the two horns.
We apologize for any inconvenience this may cause.
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