Trick to double the mobile’s sound

Many people’s mobile speakers have a much lower sound. But a trick can be tried to increase it. For this you need to install the Speaker booster app by visiting the Google Play Store

Here you will see Parcentage to increase volume. Select 100 options out of these. Now tick the Show volume control option at the top. Now come back and fill the Volume and Boost

options available here. This will increase the sound of the mobile speaker two times.