Samsung Galaxy S4: How to Enable and Customize the Multiple Widgets on Lock Screen

For the security reason, the Samsung Galaxy SIV has comes with several options available that you can use to lock the screen. Depending on your needs, you're free to use the low-security unlock methods or high-security unlock methods. By locking the screen especially with the high-security unlock methods, you'll be helped to secure your phone from unauthorized people for accessing your phone.