The "profile" of iOS is an installation file, but it is actually an XML file, not a certificate. When deploying iOS devices, you can use Apple's official iPhone Configuration Utility. App "to create a description file, and then install it on an iOS device for management.

The configuration profile is an XML file, which contains the following contents: security policies and restrictions of devices, system configuration information, WLAN settings, email accounts and calendar accounts, and authentication certificates that allow iPhone, iPod touch and iPad to work with your enterprise system. Configuration profiles can quickly load settings and authorization information into devices.

Some WLAN settings can only be set using configuration profiles. If you are not using Microsoft Exchange, you will need to use configuration profiles to set the device password policy.

Extended data:

How to view the description file of Apple's mobile phone?

1, open the iPhone7 system settings.

2. Open the General page.

3. You can see the description file in the general page.

Apple official website-Trust the manually installed certificate profile in iOS.