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This wikiHow teaches you how to increase/decrease the size of items on your Android device’s screen (such as apps) by increasing/decreasing the default DPI (dot per inch). This is a standard option in the Settings menu of any device running Nougat OS (Android 7.0) or later, but you can also change the DPI on Android devices running Marshmallow (6.0). or below using a computer and the Android Studio Developer Kit (or SDK for short). Note that the actual resolution determined by the device’s display cannot be changed.
Steps
On Android Nougat and above
Settings on Android. Click the Settings app in the shape of a colored gear to open the settings.
- You can also swipe down from the top of the screen and tap the gear icon in the drop-down menu.
- On a Samsung Galaxy, you tap Display .
- On a Samsung Galaxy, tap Screen respution in the “Display” menu.
- Notice “You are now a developer!” (You are already a developer) will pop up when developer mode is enabled.
- On Samsung Galaxy, you’ll choose the screen resolution here by tapping and dragging the slider left or right to increase or decrease the resolution. [1] X Research Source
- On Samsung Galaxy, tap APPLY in the upper right corner of the screen. The new resolution will be applied immediately.
- On some Android phones, you need to scroll down to see this option.
- This option is near the bottom of the Developer Options page, so you’ll need to scroll down a bit to find it.
- The larger the width, the smaller the items on the screen (like text, icons, and so on) will be.
- Android’s resolution can range from 120 – 640.
On Android Marshmallow and below
- On Windows – Check the box “I have read and agree…” (I have read and agree), click the blue DOWNLOAD button, double-click the downloaded EXE file, follow the pop-up instructions, Open the Android SDK and follow the on-screen setup prompts.
- On Mac – Check the box “I have read and agree…”, click the blue DOWNLOAD button, double click the downloaded DMG file, verify the software if necessary, follow the installation instructions, Open the Android SDK and follow the setup prompts that appear on the screen.
- Skip this step if USB mode is already enabled.
- The charging port is usually located at the bottom on Android devices.
- On Windows – Open Start
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, enter command prompt and click
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- On Mac – Open Spotlight
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, type terminal then double click
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- Type adb shell and press Enter
- Type dumpsys display then press Enter
- See the number to the right from “density” (for example,
density 420 (403.411 x 399.737)
).
- Numbers larger than the current resolution will make the items on the screen smaller and vice versa.
- Android resolutions usually fall between 120 and 640, so your choices should be within this range.
- If the device screen changes immediately after the resolution command executes, you do not need to restart Android.
Advice
- You can change the DPI of your phone with some apps as long as the Android device is jailbroken (rooted).
- The on-screen keyboard may be distorted after the resolution changes. You can install a keyboard with a DPI-appropriate interface (like GBoard) to overcome this situation.
Warning
- In some cases, changing DPI will cause compatibility issues when using Google Play to load apps. If this is the case, you can return the DPI to its original settings, download the application, and then adjust the DPI again.
- When increasing/decreasing the phone resolution to increase/decrease the size of items on the screen, you will not be able to adjust the screen resolution to HD (eg 720p – 1080p) because sharpness is determined. by the device’s physical display.
This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.
The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.
This article has been viewed 44,706 times.
This wikiHow teaches you how to increase/decrease the size of items on your Android device’s screen (such as apps) by increasing/decreasing the default DPI (dot per inch). This is a standard option in the Settings menu of any device running Nougat OS (Android 7.0) or later, but you can also change the DPI on Android devices running Marshmallow (6.0). or below using a computer and the Android Studio Developer Kit (or SDK for short). Note that the actual resolution determined by the device’s display cannot be changed.
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