Phone Manager Elite allows you to manage your phone settings at one place.
Here are the features it has
1.Profile Manager -Switch between (Normal/Silent/Vibrate) modes
2.Three volume buttons for Phone,Alarm and Music - Switch between (Mute/Medium/Maximum) volumes
4. Wi-Fi (on/off)
5.Auto Sync (on/off)
6.Mobile Data (on/off)
7.Flash Light (on/off)
8.Screen Brightness (Minimum/Medium/Maximum/Auto)
Also this app will not run in background and chew up memory and battery. Once opened and you click the correct option you need,it gets the job done and then close .
To turn off message when you change phone feature ,disable the Show Text option under Menu /Settings
For any help refer to this site http://phonemanagerhelp.weebly.com/