The installed software conflicts with the system.

The tail plug cable is broken or the battery is broken, so there is no power supply.

There is a conflict between the downloaded third-party software and the system, so it is recommended to double clear it.

System firmware compatibility issues.

OPPO is a camera phone brand chosen by more young people. Domestic mobile phones are becoming more and more popular. In China, more young people choose OPPO camera phones. In the past ten years, OPPO has been focusing on the technological innovation of mobile phone photography, creating an era of "mobile phone selfie beauty"; Today, more than 200 million young people around the world are using OPPO camera phones. According to IDC, an authoritative data organization, OPPO has become the first brand in China mobile phone market in 20 16 years.

Tencent QQ (QQ for short) is an Internet-based instant messaging (IM) software developed by Tencent. Tencent QQ supports online chat, video call, point-to-point breakpoint continuation, * * * file sharing, network hard disk, custom panel, QQ mailbox and other functions, and can connect various communication terminals. Its symbol is a little penguin wearing a red scarf. ? QQ is an instant messaging software launched by Tencent on 1999. It can not only chat and make friends on various communication terminals, but also make free QQ video calls and QQ voice calls, or send and receive important files anytime and anywhere. You can also communicate with mobile communication terminals, IP telephone networks, wireless paging and other communication methods, share screens, watch movies and so on. These powerful and practical functions make QQ more than just a simple network virtual pager.