Almost every Android device owner knows how easy it is to disable system animations without rooting their smartphone or tablet. On the other hand, Apple users can't say the same, but fortunately, the community uncovered a glitch on the iOS 9 that'll allow them to do so without the need to jailbreak their iPhone or iPad.
Apparently, users can trick the Springboard system to disable system animations on the iOS 9, and here's how:
Step 1: Set the keyboard to the default that Apple loaded the device with. Don't worry, though, as you can go back to using your keyboard of choice right after the process.
Step 2: Turn Assistive Touch on. To do this, go to Settings > General > Accessibility and look for AssistiveTouch. An easier way to do this is to ask Siri to turn it on by saying "Turn on assistive touch."
Step 3: When you successfully do step 2, the AssistiveTouch icon should appear. It's a small square button with a white circle in the middle.
Step 4: Go to the home screen.
Step 5: Drag the AssistiveTouch icon to the very bottom right corner of the screen.
Step 6: Swipe down to pull up Spotlight and then swipe up to dismiss it.
Step 7: Now, this step will no doubt come across as a bit odd. Repeat step 6 again and again until the system animations are gone. According to a Reddit user who goes by the name of vista980622, this needs to be done about 20 times until it takes effect.
Note: when it won't work for you, a useful tip to keep in mind is to make sure to let the AssistiveTouch icon move up to the top of the keyboard during the repetitive process.
While disabling system animations doesn't exactly give a huge boost in iOS 9 performance, it does make things go a bit smoother in certain instances.
It's should also be noted that things will go back to normal when the iPhone or iPad has been rebooted.