How does Apple's mobile phone load foreign software?

IPhone is a series of smart phones developed by Apple. It is equipped with the iOS mobile operating system developed by Apple. Many friends don't know how Apple installed foreign software. Let's share the installation method.

1, first find a mobile phone of Apple 1 1, ios 13.2, unlock it, and find Safari or the browser downloaded by the mobile phone.

2. Search for the application you want to download, find it and click Download.

3. After downloading, you can see that it can't be opened and needs authorization.

4. At this time, open the settings in the mobile phone, as shown in the figure below.

5. Then, in the settings page that opens, open General.

6, find the general, open, there is a device management, click open.

7. After finally finding the corresponding application trust, you can install it.