Windows 7 - Adjust Screen Resolution, Refresh Rate, and Icon Size - Remove Flicker [Tutorial]
How to Change the Screen Resolution on Your Android
This wikiHow teaches you how to increase or decrease the size of the items on your Android's screen (e.g., apps) by decreasing or increasing your Android's default DPI (dots per inch). This is a standard option in the Settings menu of any Android running Nougat (Android 7.0) or higher, though you can also change the DPI on Androids running Marshmallow (6.0) and below by using a computer and the Android Studio Developer Kit. Keep in mind that the actual resolution of your Android, which is determined by the screen itself, cannot be changed.
On Android Nougat and Above
Open your Android's Settings.Tap the Settings app icon, which resembles a colored gear, to do so.
- You can also swipe down from the top of the screen and then tap the gear icon in the resulting drop-down menu.
Scroll down and tapAbout phone.You'll find this at the bottom of the Settings menu.
- On a Samsung Galaxy, tapDisplay.
Scroll down to the "Build number" heading.It's near the bottom of the "About phone" menu.
- On a Samsung Galaxy, tapScreen resolutionin the "Display" menu.
Tap the "Build number" heading 7 times.This will unlock theDeveloper optionsmenu item, which can be used to change your Android's resolution.
- You should see a "You are now a developer!" message pop up once developer mode has been enabled.
- On a Samsung Galaxy, you'll select a screen resolution here by tapping and dragging the slider left or right to decrease or increase the resolution.
Tap the "Back" button.Doing so will take you back to the Settings page.
- On a Samsung Galaxy, tapAPPLYin the top-right corner of the screen. Your resolution should immediately be applied.
TapDeveloper options.This option should be near theAbout phoneoption.
- On some Android phones, you may need to scroll up or down to find this option.
Scroll down and tapSmallest width.You'll find this option near the bottom of the page. Doing so opens a pop-up window.
- This option is near the very bottom of the Developer Options page, so you may have to scroll down for quite a while before you reach it.
Enter a new width.Tap the text field in the middle of the pop-up window, then type in your preferred resolution width.
- The larger the number, the smaller the on-screen items (text, icons, etc.) will appear.
- Android resolutions can be as low as 120 or as high as 640.
Tap .It's at the bottom of the pop-up window. Doing so will adjust your Android's resolution.
On Android Marshmallow and Below
Download and install the Android Studio Developer Kit.The Studio Developer Kit (SDK) will install something called an Android Debugging Bridge, which allows you to run commands on an attached Android. Go to and click the greenDOWNLOAD ANDROID STUDIObutton, then do the following:
- Windows- Check the "I have read and agree..." box, click the blueDOWNLOADbutton, double-click the downloaded EXE file, follow the on-screen installation prompts, open the Android SDK, and follow the on-screen setup prompts.
- Mac- Check the "I have read and agree..." box, click the blueDOWNLOADbutton, double-click the downloaded DMG file, if needed, follow the on-screen installation prompts, open the Android SDK, and follow the on-screen setup prompts.
on your Android.USB debugging mode will allow you to make changes to your Android from your computer's command line.
- Skip this step if USB debugging mode is already enabled.
Attach your Android to your computer.Plug the USB end of your Android's charger cable into a USB port on your computer, then plug the charger's charging end into the charging port on your Android.
- You'll usually find the charging port at the bottom of the Android.
Open your computer's command line program.The command line program on Windows is Command Prompt, while you'll use Terminal on a Mac:
- Windows- OpenStart , type incommand prompt, and click Command Promptat the top of the menu.
- Mac- OpenSpotlight , type interminal, and double-click Terminalat the top of the results page.
Check your Android's current resolution.The current resolution (or "density") can be found by doing the following:
- Type inadb shelland pressEnter
- Type indumpsys displayand pressEnter
- Review the number to the right of the "density" word (e.g.,density 420 (403.411 x 399.737)).
Change the resolution.Type inwm densityresolution&& adb reboot—making sure to replaceresolutionwith your preferred three-digit resolution—and pressEnter.
- A number that's higher than your current resolution will result in smaller on-screen items, while a lower resolution number will cause on-screen items to appear larger.
- Android resolutions often fall between 120 and 640, so your selected resolution should be within those parameters.
Restart your Android if necessary.You can do this by holding down the Power button on your Android until a menu pops up and then selecting thePower offorRestartoption.
- If your Android displays a resolution change immediately after you enter the resolution change command, you don't need to restart your Android.
QuestionThis completely ruined my S7. Now I can't turn it off or factory reset. What do I do?wikiHow ContributorCommunity AnswerYou have to connect the device to a computer and use ADB Shell to change the resolution back to original. Messing with Android system files can and most likely will brick your device. Always think about that before changing anything.Thanks!
QuestionThe command prompt isn't recognized, any ideas why? I'm not technically minded.wikiHow ContributorCommunity AnswerYou can try restarting and resetting your device. If this doesn't work, youwh may have to take it to an expert and have them look at it.Thanks!
QuestionWhat should I do if 'Adb' is not recognized as an internal or external command, operable program, or batch file?Sean CurranCommunity AnswerOn Windows, you need to enter .\ before you run a program from command prompt or Powershell. In this case, you need to enter ".\adb shell" and it will start the connection with the device. You should have a new prompt where you can enter the rest of the command from above.Thanks!
- You can change your phone's DPI with a handful of apps, but your Android must be rooted for these apps to work.
- You may notice distortion with your Android's on-screen keyboard after changing the resolution. You can install a keyboard that scales with DPI (such as GBoard) to fix this issue.
- 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.
- While you can scale your phone's resolution up or down to increase or decrease the size of things on the screen, you can't increase your Android's resolution to a higher definition (e.g., 720p to 1080p) since definition is dictated by the Android's physical screen itself.
Sources and Citations
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