How to set the sound attenuation in Huawei p7 mobile phone call release?

In the main interface, press the volume reduction key until the volume is satisfactory.

Huawei Technologies Co., Ltd. is a private communication technology company that produces and sells communication equipment, headquartered in Bantian Huawei Base, Longgang District, Shenzhen City, Guangdong Province, China. Huawei's products mainly involve switching networks, transmission networks, wireless and wired fixed access networks, data communication networks and wireless terminal products in communication networks, providing hardware equipment, software, services and solutions for global communication operators and professional network owners. Huawei was officially registered in China on 1987.

In 2007, the contracted sales amounted to US$ 654.38+06 billion, of which overseas sales amounted to US$ 654.38+065.438+05 billion. In that year, China took the lead in realizing profits and paying taxes in the domestic electronics industry. By the end of 2008, Huawei has covered more than 65,438+000 countries and regions in the international market, and 45 of the top 50 telecom operators in the world have used Huawei products and services.