What should I do if there is no sound on the left earphone, and what should I do if there is no soun

If you are using a Huawei phone.

Currently, HUAWEI phones support Type-C interface earphones or interface earphones, if there is no sound problem with the earphones, please troubleshoot them as follows:

1. Please check whether there is liquid or foreign matter in the earphone jack.

It is recommended to use a flashlight to illuminate the headphone jack, and clean it if there is any foreign object; In case of liquid ingression, it is recommended to back up the data.

Whether it is a headset malfunction.

1.If you are using Huawei earphones, it is recommended to plug the earphones into other Huawei phones for testing.

a.If it doesn't work on other Huawei phones, it may be that the earphones are damaged, and it is recommended to replace the earphones.

b.If it works normally on other Huawei smartphones, the earphone jack may be in poor contact or damaged, so try to plug the earbuds back in and rotate the earphone plug appropriately. If this persists, we recommend that you back up your data (WeChat QQ and other apps need to be backed up separately) and bring your purchase voucher to a Huawei Customer Service Center for testing.

2.If you are using non-Huawei earphones, the earbuds may not be compatible with your phone, so it is recommended that you try to use them after replacing the original Huawei earphones.

3. There is no sound from the earphones after using the adapter cable.

If the earphone is silent after using the adapter interface, it is recommended to use the earphone of the original interface for verification, if the sound is normal, it may be that the adapter cable is not compatible with the mobile phone interface, and it is recommended that you replace the adapter cable.

If the above methods still do not solve your problem, we recommend that you back up important data (WeChat and QQ apps must be backed up separately), bring your phone, earphones, and proof of purchase to the Huawei Customer Service Center for testing.

1. Check whether the sound outlet hole of the Bluetooth headset is blocked, if the sound outlet hole is blocked, please clean the sound hole in time.

2. Fully charge the Bluetooth headset to rule out the situation that the headset is out of power.

3. If the Bluetooth headset is low or silent when wearing one ear, you can try to increase the volume of the headset first to see if the volume is normal.

4. Put the earphones into the earphone case and close the lid for 5s, then open the lid and connect, and it can be restored.

5.Try upgrading the Bluetooth headset system to the latest after upgrading the Bluetooth headset system to the latest.

1) After the OPPO phone is connected to the Bluetooth headset, it will automatically upgrade the package under the Wi-Fi network, put the dual earphones into the charging case when not in use, and close the lid of the earphones to complete the system upgrade.

If the above methods cannot solve your problem, it is recommended that you bring the earbuds and charging case to the nearest OPPO official service center for inspection and repair by professional engineers.

The headphones have sound while not doing anything.

There is no sound proof on one side of your headphones that side of the headphones. It's going to be normal and it's going to be normal, so I can't hear it. Since you can't hear it, either you're just an ear to hear it.

Otherwise, you'll need to switch to a new headset. It won't cost a few dollars for a while. So there's no way around this.

If there is a sound on one side of the earphone, he must say that your earphone is broken, or that the mono you set can be adjusted, or that you can try it with a different earphone.

For headphones, we use stereo sound, if there is no sound on only one side of the headphones, it is caused by a break in the inside of the headphone cable.

There is no sound, because the earphones inside may be broken, so you can try to change the earphones.

There is no sound on one side of the earphones, it is recommended that you move the position of the connection, it may be caused by poor contact.

There is no sound on one side of the headset, so basically the headset is estimated to have failed. A new headset will need to be replaced.

If the eardrum is damaged, it is recommended to go to the hospital as soon as possible.

This should be your headset is broken, you can try another one.

It should be that line, and you're turning on the left channel and the right channel.

The headphones have sound while not doing anything.

The first thing to determine is whether it is a problem with the headphone plug or the headphone cable?

You can turn the headphone plug back and forth to see if it improves. Shake the various positions of the earphone cable again to determine whether it is a problem with the earphone plug or the earphone cable.

Most of the earphone cables at the earphone plug are damaged and open-circuited, resulting in poor contact. You can buy a headphone plug and cut the old headphone plug including a section of headphone cable and re-solder it to the new plug.

If there is no sound in the left and right ears of the Bluetooth headset, you can try to deal with it as follows:

1. Confirm whether the earbuds have been paired and connected to the phone.

3. Confirm whether the sound nozzle steel mesh is stained with oil, sweat or dirt, and use alcohol and anti-static brushes to clean it.

4. If the Bluetooth headset is stuck, intermittent, and silent in the case of low battery, you only need to upgrade the Bluetooth headset firmware version to the latest to solve this problem.

5. You can go to Settings > find the corresponding Bluetooth device> click the settings (gear) button on the right, and find and turn on the absolute volume switch in the corresponding device. (Some Bluetooth headphones do not support absolute volume adjustment, so the "Bluetooth device volume synchronization with mobile phone" switch will not be displayed).

Please try the following methods:

1. Make sure that the speaker balances the left and right limbs. Open "Settings" - "System" - "Sound", select "Device Properties" - "Other Device Properties", "Level" - "Balance".

2. Update the sound card driver of your computer. Right-click the computer icon on the desktop and select Properties. Then open Device Manager.

3. If it doesn't work, you can try to reinstall the official sound card driver provided by the original factory.

4. If there is no disadvantage in the above, it may be a hardware problem, and it is recommended to send it to after-sales testing.

If you are using a vivo mobile phone, and only one side of the earbuds has a sound loss, you can check it as follows:

1. Enter the mobile phone branch settings - quick and auxiliary - barrier-free - audio equalization, adjust the audio bar to the middle position for observation and use; Walk with God.

2. Confirm whether the left channel or right channel mode is set;

3. Use the earphones on other mobile phones to listen to them and rule out whether the earphones are faulty;

Excluding the above situations, it is recommended to send mobile phones and headphones to the vivo customer service center to be tested and processed by professional and technical personnel, pay attention to WeChat *** "vivo" or "vivo customer service" to inquire about the address of the service center**, it is recommended to contact before going to ensure that there is a staff reception and then go over, so as to avoid delaying precious time and running in vain.