How to Speed Up Your Android Device Without Rooting

Solution 1:

1) Go to "Settings", Next go to "About phone"

2) Now click the build version until the developer mode is on.

3) Now go to the developer mode. now you can see the animation speed, and it's by default speed is 1x,

4) Now set it as 5x, Now you can access the phone faster. 

Solution 2:

  1) If RAM is fully occupied, then your phone becomes slower. so always close recently used apps.