Android smartphones are popular today ranging from low to high end smartphones. As time passes, all of them will slow down. This is why it's important to know how to maintain your smartphone's smoothness. How to speed up the android phone? Using the 3rd application is one of methods. Apps such as Purify-http://purifyapps.com/ can be used to speed up the android phone allowing you to stop these applications from starting up automatically as your phone boots up.