What is the purpose of the safe in the smartphone?

De
1

My Huawei has a vault in the app files.

For my terms, a safe is a particularly safe storage (in this case: of files). But who or what should I protect especially important files from? In front of the eyes of third parties? But nobody touches my smartphone anyway. And if I lose the device, the files in the vault would be gone…

So what's the safe for?

Pe

That if someone steals your cell phone, he z. B. Your photos. Can't watch or can't delete. Some people do not use screen lock. And thus, for example. Other person, such as Friends and family can't look at sensitive data.