In this case, you'd better root your mobile phone. Then you can reset the mobile phone system.
Be good at eliminating unnecessary programs on mobile phones.
In this way, you can download the application software on the computer first and make sure it is open.
The second is to open the phone settings-developer options-usb debugging, and then let the phone and computer
Join together. After the computer recognizes the mobile phone, just select one key root on the mobile phone.
This is a telephone.
You can also reset the mobile phone system, and the mobile phone should be able to download software.