Not a lot of Android users know this, but you can enhance the performance of your old Android smartphone by adjusting Developer Options hidden away in the settings menu. By reducing or disabling animations, you can make your device feel faster and improve multitasking. Here's how you can do it. First, go to Settings, then navigate to About Phone and tap the Build Number seven times to unlock Developer Options. The, you can navigate to Settings > System > Developer Options and adjust the Window Animation Scale, Transition Animation Scale, and Animator Duration Scale to 0.5x or turn them off completely. This simple tip can make your older Android phone visibly faster and provide a smoother multitasking experience.