I know how frustrating it like, when someone will just pick your phone and start going through your stuff without your permission.
Have you been thinking on how to put an end to this unauthorised use?
FOLLOW this simple step below to hide your memory card from an unauthorised use.
Power by mondaytechzone.com
=Go to your memory card.
Click memory card options.
=Click rename memory card.
=Rename to anything you want but add “.ota” to the end. Eg. “Invincible.ota”
=Click ok. Your memory card will now be hidden.
NOTE: IF you want to rename memory card again just use file manager of Blutooth Ftp.