HOW TO FASTEN YOUR PHONE WITHOUT ANY APPLICATION

Step 1: Go to your phone settings 

Step 2: Go to Developer option and on this, scroll down and find "Window animation scale".

Step 3: Click this and set off

Step 4: Find "Transition animation scale ", click this and set to 0.5 X .5

Step 5: Find "Animation duration scale", click this and set to 0.5 X .5

Step 6: Go back to home, power off and power on your phone back.

Enjoy!