Where is the permission management of ZTE mobile phone N919? How to use permission management?

The location and usage tutorial of permission management on mobile phones are as follows:

1. Open settings, as shown in the figure

2. Find permission management and click in. As shown in the figure

3. There are two types of management in permission management: 1. Self-starting management, which can manage the software to start automatically when it is turned on. 2. Apply permission management to modify some permissions of the software. As shown in the figure

4. Automatically start the software in the management. If you don't want the software to start automatically when you turn on the computer, click the button at the back to close it. As shown in the figure

5. There are locations for application permission management to read contacts, modify contacts, read call records, modify call records, read phone status, and read calendar. If you want to modify any setting of the software, please click to modify it. As shown in the picture

6. If you want to allow the software to obtain location permissions, please click on the software to allow it. If you do not want the software to obtain location permissions, please click on Disable. As shown in the picture