You need to click the settings button on the phone camera interface, or we can click the settings button in the upper right corner and click the volume button function. Choose to turn on the volume button to take a picture, and then take a picture with the button of the earphone. Huawei Technologies Co., Ltd. is a private communication technology company that produces and sells communication equipment. Its 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. 2016 April 17, the first Shenzhen Golden Award for Intellectual Property Indus was announced, and Huawei won the "Best Intelligence Award Patent". 20 16 On June 22nd, Shenzhen released the list of enterprises with deep globalization, and Huawei Technologies Co., Ltd. ranked 25th.