Here is the process to Hide or Protect any folder or document in your mobile without software.
Step 1.At first select a folder which you want to hide. Or make a new folder.
Step 2.Now Rename the folder, but keep .jad at the end of the folder. For example If you want to hide the “personal” folder, just rename it as personal.jad.
Step 3.Keep anything in the personal.jad folder. We will hide this folder.
Step 4.Then Make another folder with the same name but keep .jar at the end of the folder. For example make a folder named by personal.jar
Step 5.Your first folder personal.jad has vanished. There is only personal.jar which is only 0.00KB ! !
Only the file explorer or computer can find out your folder.
How to recover your hidden folder?
Its more easy, just rename the personal.jar folder. Your hidden folder personal.jad will come back.