How to protect your privacy when lending a Apple smartphone or tablet to someone else. Instructions for setting up “guided access” on a Apple brand device. Block an application on the screen from which the user will not be able to exit without knowing the unlock pin, in this way you will prevent them from seeing your messages, photos and private data that you do not want to show.
"Guided Access" is an accessibility feature on Apple devices that limits the device to a single app and controls which features are available.
It is useful for situations where you want to restrict the use of the device to a single task, such as in educational environments or for people with special needs. For example, a parent can set up Guided Access on an iPad so that her child can only use a specific educational app.