Latest Samsung high end Android smart phone Samsung Galaxy S4 tips and Tricks. If you own a Samsung Galaxy S4, just have look at the following posts and videos, these are really helpful.
Below video shows 10 Tips which are really helpful to reduce the lag and increase the speed.
How to Root Samsung Galaxy S4 (Remember do it at your own rosk, there is a chance to brick the phone and also you will loose the warranty) - Read it here
Enable or Disable fastdormancy get the app from Google Play Store (it can help you to achieve a better battery life)
Remove SMS from call logs , you can use Samsung Log Converter to remove the SMS from the logs. to activate it again just uninstall the application - get it from Google play store