The Tool Desk
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Turn on Developer options
Developer options is hidden until you enable it. The route below comes from Android’s consumer guide, published June 26, 2025, How to Enable Developer Mode Settings on Your Device.
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- Open Settings and tap About phone (or About tablet on a tablet).
- Find Build number. On some devices it sits under Android Version or Software Information.
- Tap Build number seven times. Android confirms that Developer options is now enabled.
- Return to Settings and open Developer options. Its exact location varies by manufacturer and software version, so if you cannot find it, use the Settings search box and type “Developer options.”
Lower the three animation scales
Within Developer options, locate the three controls named above. For each one, open it and pick a lower value than the one currently shown. Then return to your home screen and use your usual apps for a few minutes to judge the result.
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What each control affects
The three controls cover different kinds of motion. In general terms:
| Setting | What it governs | Where you notice it |
|---|---|---|
| Window animation scale | Animations that open and close windows | Opening apps, closing them, pop-up windows |
| Transition animation scale | Animations that move between screens | Moving from one screen to another inside an app or between apps |
| Animator duration scale | Property animations used by apps and system interface elements | Fades, slides, and other on-screen motion |
What the change does and does not do
Android’s developer documentation describes these controls as playback-speed settings, and states that “a lower scale results in a faster speed.” In practice, the animations you see finish sooner.
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- It does: shorten the visible time that interface animations take to finish.
- It does not: increase processor speed, network speed, download speed, or the time an app takes to load its content.
- It does not: make background work finish sooner. The official sources do not quantify how much time is saved, so any sense of “instant” speed is a perception of smoother navigation rather than a measured performance gain.
Choose a value that suits you
Some readers will find a moderate reduction makes the phone feel quicker without losing the visual cues that help them track what changed on screen. Others will prefer the original timing. If the change does not appeal to you, return each control to the value it showed before. There is no single correct setting.
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Developer options contains advanced settings. Android’s consumer guide warns that changing options without understanding them can affect device stability. Change only the three animation scales described here and leave other developer settings alone.
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If the phone is still slow
Animation timing addresses only one part of how a phone feels. If the device stays sluggish after you have made the change, use Google’s general troubleshooting guide, Speed up a slow Android device. That page is the right next step for broader causes. If those steps do not help, Google advises contacting the device manufacturer.
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