We do for you the best application. You change all the default settings of your smartphone and tablet.
Download the app and open it.
Nothing is easier not. You just need to click a single button in the center of screen savers.
You will immediately hear a loud high-frequency sound.
At this stage, the application changes the default settings of all smartphone or tablet and increases the maximum volume by 30-40%.
The level of increase depends on the model and manufacturer.
Watch movies, listen to music or just turn up the volume ringer and SMS. Now you can hear your smartphone anywhere.
Excellent app stops working and returns all settings to standard levels when you just get out of the application.