How to set up application encryption for iphone 6s plus?

Find the settings in your phone and click General in the settings.

Find access restrictions in GM. When you find that your access restrictions have been turned off, click Access Restrictions.

Click access restriction, and the following page will appear. You can't click on the gray area below, so click on it.

Enable the access restrictions above. After clicking, a page will appear. You need to enter the password, and then enter the password.

After clicking Enable and entering the password, you can set the following applications. Remove the following from the application

The open state is changed to the closed state. Even if it has been set, password verification is required for the next input of access restrictions. Be sure to remember the password.

Return to the desktop after setting, and these applications will not be deleted manually after long press.

The above is only an example of setting that the application prohibits deletion, and other software encryption can also be set.