How to lock text messages on Apple 6splus?

Open the folder properties and select Hide to prevent it from being seen.

Download encryption software.

Settings --General --Access Restrictions ---Enable access restrictions, and then you can set an access password.

Click on the desktop settings icon, open General, select Access Restrictions, click Enable Access Restrictions, enter the password, select the option switch of the application that needs to be hidden, and turn it on to hide the program.

Open the text message icon on the desktop, click on the text message you want to block, click on the contact in the upper right corner, an option will appear, then click on the circle exclamation mark icon, and scroll to the bottom of the pop-up interface , you can see that there is a block for this caller number, click Confirm to block the contact.