It has always been a challenge to secure specific files from access within your devices. First android tried using an accounts-based system with a Kids mode that would restrict access, but that only made matters more complicated. Locking the device with a password, PIN, pattern or fingerprint has always been effective. But what do you do when you need to hand your device over to someone for a specific task, how do you restrict the most confidential files?
Well, Private mode is here to remedy such cases. It is available in Android Lollipop onwards on Samsung devices and is designed as a built-in system to hide files from view. In the past, you had to install a 3rd party app for that, but that would be too obvious, private mode is a lot more discreet.
Private mode is most useful for hiding specific files from prying eyes, but it does not provide total security for the most sensitive information. For that, you may have to make use of Samsung My Knox app, and you can find more details on that here.
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