Avoid These Common Mistakes to Keep Your Phone Running Smoothly.
Many apps run 'stealthily' in the background, which can slow your device to a crawl. There are also a number of battery optimization features that most users are completely unaware of. To take control of this, you should visit your phone's settings menu to clamp down on which apps can - and can't - run in the background. Another classic reason for a phone running slowly is when the phone's storage is nearly full. Battery issues are another common cause of a phone running slowly.