How to solve the problem of low voice of vivo mobile phone?

1. Design model of micro-slit mobile phone (such as X60/X50 series)

1. uses a micro-slit receiver, which is located in the middle area at the top of the screen. If the volume of the receiver is low, please confirm whether the receiver is blocked by non-original film or protective case.

2. If a third-party 3D toughened film is pasted, please confirm whether the adhesive flows into the micro-gap of the receiver. It is recommended to use other paper before pasting.

Second, the design model of seamless mobile phone

1. When using the handset to play sound (such as phone call and WeChat handset mode), press the volume plus key to turn the volume to the maximum.

2. Please change the phone number and try again;

3, the signal will affect the quality of the call, you can try to change the network environment;

4. Check whether the handset is blocked or flooded, which leads to the volume reduction of the handset. It is recommended to take the mobile phone to the vivo customer service center for testing and processing;

5. Go to Settings-System Upgrade (some models are Settings-My Device -iQOOUI Version) to check the system version information. If it is not the latest version, it is recommended to upgrade the experience;

6. The fault may be caused by abnormal system configuration information. It is recommended to go to Settings-System Management-Backup and Reset-Restore all settings, click Enter and follow the onscreen instructions. Restoring all settings will not delete any data or media files, but will restore all settings of the mobile phone. Some third-party application accounts need to log in again. Please ensure that the use of some third-party software on your mobile phone will not be affected before operation.

7. You can go to the service center with your mobile phone, ID card and valid purchase certificate, enter the browser to search for vivo official website-Services-Service Center-View All-select provinces and cities to inquire about the address and contact information of local service centers.