Sometimes the easiest way to kill all background tasks, free up some memory and make the device run faster is Rebooting it. To schedule auto restart ...Continue
To change the ringtone of your Samsung Galaxy S2 or other Samsung Galaxy devices do as follows:
1. Open "Setting" App
2. Go to "Sound"
3. Find "Device Ring tone" and Tap on it
4. Choose your favorite music or tone as the new Ringtone