Huawei mobile phone cold screen black screen

The battery is dead. Huawei's mobile phone is cold, and the battery can't stably supply power to the mobile phone screen, which means that the mobile phone screen is black at low voltage. Huawei mobile phones belong to Huawei's consumer business. As one of Huawei's three core businesses, it has set up 65,438+06 R&D centers in China, Russia, Germany, Sweden, India and the United States since the end of 2003.