How to Change the Screen Resolution on Your Android without root

Do you know that you can change the screen resolution on your android phones? In this article, we will teach you how to increase or decrease the size of the items on your Android's screen such as apps by decreasing or increasing your Android's default DPI (dots per inch). With Android Nougat, you can easily change the display value of your device. While some want the display to be really tiny, others with not such a great vision may want a tad bigger fonts and icon sizes. So how do you accomplish this? To accomplish this, you'll first need to download and install the Android Studio Developer Kit (SDK) on your PC or Mac.

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 3 easy methods to use:

1.  Enabling USB Debugging Edit

  • Open your Android's Settings. This is the gear-shaped app in your App Drawer (or on one of your Home screens).

 

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For this process as well, enable the USB debugging mode in the Developer Options. If you’re not familiar with this, read on to  know how to enable this secret menu.

 Scroll to the bottom of the Settings menu. If you're on a Galaxy device, you'll first have to make sure you're in the "Device" section by tapping the pertinent tab at the top of the screen.
 Select About Device. This option may also say "About Phone" or "About Tablet" depending on your operating system version.
 Scroll to the bottom of the About Device menu. You should see an option entitled "Build Number" here.
 Tap Build Number seven times. You'll need to do this quickly. If you successfully perform this step, you should see a text bubble pop up above the Build Number option that says something to the effect of being "one step away from being a developer."

 

  Tap the "Back" button. It should be in the bottom right or left corner of your phone or tablet.
 Select Developer Options. It should be directly above About Device.
 Select USB Debugging. A checkmark should appear next to this option.

If there's already a checkmark next to "USB Debugging", don't un-check it.

  • Tap OK when prompted. Doing this will confirm your decision to enable USB Debugging, which is a feature that allows you to modify your phone's system processes--in this case, the screen resolution--via a USB link. You'll be using a computer from this point on.

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If this is your first time enabling USB debugging on your Android, you'll need to tap "Allow" on your Android after connecting it to your computer. Doing so will fully implement the USB Debugging feature.

2.Installing the Android Studio Developer Kit

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  • Open the Android Studio website. The Android Studio suite contains all of the tools you'll need to alter your Android's screen resolution.
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  • Click Download Android Studio. It's the green button in the middle of the page.

The Android Studio website will detect which type of computer you have (PC or Mac) and provide you with that format of download automatically.

  • Check the "terms and conditions" box.This will confirm that you've read and accepted Android's terms and conditions of software use.
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  • Click Download Android Studio. It's at the bottom of this window. Depending on your computer type, the end of this button will say either "For Windows" or "For Mac", followed by a version number.
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  • Wait for your download to finish. This is a large download, so it may take awhile. Depending on your chosen browser, you may have to choose a save location first (e.g., your desktop).
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  • Double-click the setup icon. If prompted, you'll need to allow the setup to install files on your computer before continuing.

The setup icon will be in your default "Downloads" folder.

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  • Follow the setup wizard instructions.This essentially entails clicking Next until the installation begins, though you can customize your installation options (such as the installation location and the shortcut options) from here.

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Source: WikiHow

  • Wait for the Android SDK to finish installing. This may take up to an hour.

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Source: WikiHow

  • Click Finish when the setup is complete.Doing so will launch the Android Studio Developer Kit by default.

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Source: WikiHow

  • Follow the on-screen instructions. Again, you'll simply click Next until Android SDK begins unpacking its components.

This setup section is primarily dedicated to ensuring that you don't download any components you don't want.

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Source: WikiHow

  • Click Finish again. Your Android SDK is now installed and ready to use with your Android device. You won't need to do anything within the SDK program in order to change your Android's resolution, so you can exit the program if you like.

3.   Changing You Android's Screen Resolution

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Source: WikiHow

  • Connect your Android to your computer. To do this, attach the small end of your Android's charger cable to your phone, then plug the large end into your computer's USB port.

USB ports are rectangular openings typically located on one side of your laptop (or on your CPU if you're using a desktop computer).

After connecting your Android to your computer, you may need to confirm that you wish to "trust" it in a pop-up window before continuing.

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Source: WikiHow

  • Open your computer's command console. For a Mac, this application is called "Terminal", whereas PC users will open the "Command Prompt" application.

Mac users will open the Finder (the blue face icon in your Dock) and type in "Terminal", then click on the Terminal app when it pops up.

PC users should type "Command Prompt" into the search bar (bottom left corner of your screen) and click on the first item at the top of the list.

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Source: WikiHow

  • Type "adb shell dumpsys display | grep mBaseDisplayInfo" into your command console.

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Source: WikiHow

  • Press Enter or Return. This should display your Android's developer information.

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Source: WikiHow

  • Locate your Android device's current DPI. It's the number immediately to the right of the word "Density" (e.g., "480"). If anything goes wrong while changing your DPI, you'll need to know which resolution to revert back to.

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Source: WikiHow

  • Type "adb shell wm density DPI && adb reboot" into your command console.Make sure you replace the "DPI" section with your desired resolution number (for example, 540).

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Source: WikiHow

  • Press Enter or Return. Your device will reboot automatically. When it finishes rebooting, your updated screen resolution settings should be in place.
  • You can change your phone's DPI with a handful of apps, but your Android must be rooted for these apps to work.

  • If you're having trouble getting Android SDK to work with your device, you may need to update your drivers and/or your operating system.

  • In some cases, changing your DPI will cause compatibility issues when using the Google Play store to download apps. If you encounter this issue, you can change your DPI back to the original settings, download the app, and then change the DPI again.

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