What s the deal with harsh noises when dialing and talking on a mobile phone?

If there is noise in the mobile phone call, you can choose a good phone to try, if the noise disappears, it means that the phone is faulty; If the noise still exists, it is estimated that the fault appears on the road, the indoor wire can be disconnected, and the phone can be directly connected to the home line, if the noise disappears, it means that there is a problem with the indoor line, check whether the indoor line, plug and junction box are peeling, rusty and loose, and replace the indoor wire, junction box, etc.; If there is still noise, it is a line problem and the relevant maintenance personnel should be notified to deal with it.

If your phone is experiencing poor call quality and noise, it is recommended that you:

1.Trying to move the location may be caused by a poor signal at the location.

3.Update your phone's system version: Settings - About Phone (About Device) - Manual Update Automatic Update (Software Update System Update - Update). Note: Please back up the data in your device before upgrading.

4.Try to change another SIM card.

5.If the problem persists, it is recommended that you bring the purchase invoice, repair card and mobile phone to the local Samsung service center for professional engineers to help you test.

If you are using a Huawei phone and you hear noise during a call, you can use the following methods to troubleshoot the problem:

1. Check whether there is a problem with your own equipment.

If you're only experiencing this issue when you're on a call to a specific person, it's possible that the device you're talking to is malfunctioning, not your own.

2. Check whether the device signal is normal.

If the device signal is not normal, it will affect the call quality.

3. Make sure that the sound outlet of the earpiece or speaker is not blocked.

Please ensure that the device uses a matching protective case and protective case to avoid the position of the sound outlet of the earpiece or speaker being blocked.

4. Try after restoring all settings.

For specific methods and precautions, please click Reset All Settings.

5. If the call on your device is still abnormal, please back up your data in advance (third-party apps such as QQ and WeChat need to be backed up separately) and bring your purchase voucher to a nearby Huawei Customer Service Center for more help.

Boarding service. Huawei Customer Service Center.

Repair spare parts** inquiry.

If you have noise when using OPPO mobile phone to make calls, you can try the following methods:

1. Please check whether the microphone is blocked by foreign objects, if so, you can clean it up and try again;

2. Due to the electroplating, metal, magnetic and other protective shells have certain shielding and anti-interference characteristics, which will lead to poor or unstable signal on the mobile phone.

3. If the mobile phone is used in the office, residence, train, underground garage and other places, there is a call sound problem, and the signal on the mobile phone is displayed as less than three bars, it is recommended that you try the following methods:

1) Make sure that the system version of your phone is updated to the latest version, and upgrade the system version to the latest in Settings > > Software Update.

2) It is recommended to use the original protective case of the mobile phone, do not use metal or gold-plated protective case.

3) If you are in a special area (bus station, high-speed rail station, basement, elevator), the mobile phone signal will be affected, it is recommended that you leave such an area for a distance and try again.

4) If the SIM card hardware is damaged, it can also cause the signal to be abnormal, it is recommended that you swap the SIM card to other mobile phones for comparison.

5) If there are problems with other mobile phones in the same area, it can be determined that it is a network problem with the operator, and it is recommended that you report the problem to the operator for processing.

If none of the above methods can solve your problem, it is recommended that you bring your purchase voucher to the OPPO official service center for testing and processing by professional engineers.

The other party hears a noise when the mobile phone calls **, as long as the reason is that the network is not good and the earpiece of the smartphone is blocked or dirty.

When the mobile phone accidentally falls, it may cause the contact of the earpiece to loosen or desolder, which causes the noise of the mobile phone earpiece.

If there is a problem with the handset circuit of the mobile phone, there will also be noise when answering **, which also needs to be checked by the maintenance personnel, and the circuit can be solved after restoration.

Some copycat handsets with poor quality and workmanship also have a relatively high chance of failure. At the same time, if your phone's earpiece doesn't make a lot of noise, it may be caused by a network problem, so don't worry about it.

If it is the background noise of the snowflake sound, in order to improve the loudness of the speaker, the signal-to-noise ratio has decreased, not the problem of the mobile phone itself, it can be judged by listening at a distance of 10cm, and there is no obvious floor noise indicating that the mobile phone is normal, and it can be used with confidence. In addition, you can try it in Settings - Sound - System, turn off DTS sound effects.