What can I do to delete the private information in the short message?

The method of issuing private short messages by mobile phones;

1: Open the SMS and pull it down in the SMS interface to start it.

2. Click the "lock" on the screen, which is the lock of private message. Click to enter "Privacy Settings".

3. Click "Add Private Contact" to add it manually or from calls and contacts. Select the person to add, and then add. Unwanted deletion can exit private SMS.