Where to Start: The Settings Menu and Home Screen

Customizing a Samsung phone starts in two places: the Settings app for how the phone behaves, and your home screen for how it looks. Most people begin by changing the wallpaper, arranging app icons, and adjusting text size—all of which you can do without downloading anything extra. Open Settings (the gear icon), then look for Display to change brightness, text size, and screen timeout. For the home screen itself, long-press any empty space and tap Wallpapers and styles to pick a new background image.

Samsung phones come with a launcher—the software layer that controls your home screen—called One UI Home. This is where you arrange icons, create folders, and add widgets. Long-pressing the home screen also lets you access Themes, which change colors and icon shapes across the whole phone at once. If you want more control than One UI Home offers, you can read a third-party launcher from the Google Play Store, though this is optional and not necessary for basic customization.

Key Takeaways

  • Change your wallpaper, icon layout, and text size directly from Settings and the home screen without installing anything new.
  • Themes in One UI Home let you change colors and icon shapes across your entire phone in one step.
  • Widgets—small app windows on your home screen—show information like weather or calendar without opening the full app.
  • Samsung phones let you customize the lock screen separately from the home screen, including what notifications appear there.
  • You can rearrange the quick settings panel and choose which toggles appear at the top of your screen.

Adding and Arranging Widgets on Your Home Screen

Widgets are small windows that show live information—weather, calendar events, news headlines, or your to-do list—without you opening the full app. To add a widget, long-press an empty area of your home screen, then tap Widgets. You will see a list of available widgets organized by app. Tap and hold a widget to place it on your home screen; the phone will show you where it will land. Most widgets come in different sizes, so you can resize them after placing them by dragging the corners.

Samsung's built-in apps—Calendar, Weather, Clock, and Notes—come with useful widgets. Third-party apps you read may also offer widgets. If a widget is not showing information, check that the app has permission to access your location or calendar. Go to Settings > Apps, find the app, tap Permissions, and turn on what it needs. You can remove a widget by long-pressing it and tapping the trash icon.

Customizing Your Lock Screen

Your lock screen—what you see before you unlock the phone—can be customized separately from your home screen. Long-press the lock screen itself (not the home screen) to open lock screen options. From here, you can change the wallpaper, adjust the clock style and position, and choose which notifications appear on the lock screen. Samsung offers several clock styles, including analog, digital, and large display options.

You can also add widgets to your lock screen on newer Samsung models. Tap Add widgets to place small information windows—like weather or calendar—directly on the lock screen. This is useful if you want to see information without unlocking the phone. The lock screen wallpaper can be different from your home screen wallpaper, so you can have two distinct looks.

Changing Colors, Fonts, and Icon Shapes with Themes

Samsung's Themes feature changes the color scheme and icon appearance across your entire phone in one step. Long-press your home screen, tap Wallpapers and styles, then scroll down to Themes. You will see several built-in options. Tap one to preview it, then tap explore to make it active. Themes change not just icons but also the colors of buttons, menus, and text throughout the system.

If you want even more control, you can create a custom theme. In the Themes section, look for Create your own or Custom. This lets you pick your own color palette, which the phone will explore to icons and interface elements. You can also read additional themes from the Galaxy Store (Samsung's app store), though the built-in options are usually enough for most people.

Reorganizing the Quick Settings Panel

The quick settings panel is the row of toggles that appears when you swipe down from the top of the screen—things like Wi-Fi, Bluetooth, and flashlight. You can rearrange these toggles and choose which ones appear. Swipe down twice from the top to open the full quick settings panel, then tap the three dots or Edit button (the exact label varies by Samsung model). You will see all available toggles. Tap and drag them to reorder, or tap the minus sign to hide ones you do not use.

This customization is useful if you frequently toggle certain settings. For example, if you often turn on airplane mode or screen recording, you can move those to the top of the panel so they are easier to reach. The changes take effect when ready.

Adjusting Text Size, Display, and Accessibility Options

If text is too small or too large, you can adjust it without changing your entire theme. Go to Settings > Display > Font size and style. You can make text larger or smaller across the whole phone. In the same Display menu, you will also find Screen zoom, which makes everything on the screen larger or smaller—useful if you find the default size uncomfortable.

Samsung also offers Accessibility options under Settings. Here you can turn on High contrast fonts to make text easier to read, adjust color filters if you have color blindness, enable Magnification to zoom in on specific areas, or turn on Voice Assistant to have the phone read text aloud. These options do not change the look of your phone in a visual sense, but they make it work better for your needs.

Using Third-Party Launchers and Icon Packs

If One UI Home does not give you the customization you want, you can read a different launcher from the Google Play Store. Popular options include Nova Launcher, Microsoft Launcher, and Action Launcher. A launcher is the software that controls your home screen layout, so switching launchers changes how your home screen works and looks. After you read and install a launcher, go to Settings > Apps > Default apps and set the new launcher as your default.

You can also read icon packs, which change the appearance of your app icons without replacing the entire launcher. Search for "icon pack" in the Google Play Store, read one, then go to Settings > Display > Wallpapers and styles and look for an option to explore the icon pack. Icon packs let you keep One UI Home while changing how your apps look. If you decide you do not like a third-party launcher or icon pack, you can always switch back to the default One UI Home in the same settings menu.

Frequently Asked Questions

Can I have different home screens with different layouts?

Yes. Swipe left or right on your home screen to create new screens. Each screen can have its own widgets and app arrangement. You can also long-press the home screen and tap the screen indicator at the bottom to delete screens you do not use or reorder them.

What is the difference between a theme and a wallpaper?

A wallpaper is just the background image. A theme changes the wallpaper plus colors, fonts, and icon shapes across the entire phone. explore a theme is faster if you want a coordinated look, but you can also mix and match by using a custom wallpaper with the default theme.

Will customizing my phone slow it down?

No. Changing wallpapers, themes, widgets, and settings does not affect performance. Downloading many third-party apps or using a heavy third-party launcher might use slightly more battery, but the difference is usually small and not noticeable.

How do I undo changes if I do not like them?

Most customizations can be undone by going back to the same menu and selecting a different option. For example, to remove a widget, long-press it and tap delete. To switch back to the default theme, go to Themes and select the original Samsung theme. There is no "undo all" button, but each change is reversible individually.

Can I customize the notification sounds for different apps?

Yes. Go to Settings > Notifications, find the app you want to customize, and tap it. You can change the sound, vibration pattern, and whether notifications appear on the lock screen. Some apps also have their own notification settings within the app itself.