How to use custom icon packs on Samsung One UI 4

Make your home screen look just right

One UI 4 added a feature that was strangely absent from Samsung'sAndroid skin for a long time — icon pack support. Sure, you could download and use custom icons from the Galaxy Store, but most downloads only covered a few major apps, so it wasn't worth the trouble. With One UI 4 finally allowing you to get more fully-featured icon packs from the Play Store, let's take a look at the process of applying them to some of the best Android phones out there.

How to apply custom icon packs

Before we begin, we should clarify that while we refer to this as a One UI 4 feature, it was introduced in One UI 3.1.1. That version was exclusive to foldable phones, though, so icon packs have only really made it to the majority of Samsung phones with One UI 4.

How to download your first icon pack

First, you'll need to download an app called Theme Park on a Samsung phone, like the Samsung Galaxy S22 Ultra. If you have installed the Good Lock app, you can find Theme Park in the list of modules and download it from there. If you haven't installed the app, you can head to the Galaxy Store and download the Theme Park app; there's no need to download Good Lock first. Once the app is installed:

1. Open Theme Park.
2. Tap Icon.
3. Press create new.
4. Select the icon packbutton (it's blue and has a gift icon with a bow in it).
5. Choose one of your installed icon packs, or download a new one using the download button.
6. After the theme has been compiled, tap the save button in the top right (the downward pointing arrow) and name your icon pack.

In addition to support for third-party icon packs, you can also adjust the shape of your adaptive icons — like you can do on Pixels running Android 11 — and change the color of the masks behind said icons. This can be done before or after you add an icon pack, but you'll only be able to change the shape of icons that weren't included in the pack if you previously installed one.

How to change the size of an icon

If you find One UI's icons to be a little large, you can shrink them with Theme Park. The largest icon size is the default, so you can't make them any bigger than what you get out of the box.

1. Tap the arrow underneath the options for icon color.
2. Drag the slider until the icons are the size you want.

How to change the icon for a specific app

If you want to change the icon for a specific app, doing so is easy.

1. Tap the three-dot icon in the top right, followed by change icons.
2. Find the app you want to change from the list. The search button in the top right will make this easier.

3. Tap your chosen app.

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4. To change the adaptive icon shape or color of the app and tap edit icon.
5. Choose the shape and color you want, and then use Android's back gesture. A prompt will ask if you want to cancel or apply the changes you've made. Tap apply.
6. To pick a new icon from an icon pack, repeat steps 1, 2, and 3, and then tap either the icon pack you want to use.
7. Now you'll see a list of all the icons contained within the pack. To find the one you're looking for more easily, tap the magnifying glass at the top right and search for your desired icon.
8. Once you've found the icon you want to use, simply tap on it.
9. Once you've edited all the icons you needed to, use the back gesture to return to the main editing screen.

How to apply your custom theme

Now that you have a theme ready you'll need to apply it by following these steps:

1. Tap your theme.
2. Press apply.

It'll take a moment to apply the icon pack, and thenyou'll be back on your home screen, staring at your lovely new icons. One of the bonuses of applying icons using this method over a third-party launcher is that it's system-wide, so you'll see the new icons in the overview menu, edge panel, and even the apps section of the Settings app. Third-party launchers still don't play well with gesture navigation in my experience, so being able to do this in the stock launcher is a major boon for users like myself.

How to go back to stock icons

If you decide you want to go back to the stock icons, the process is simple. Just reopen Theme Park, tap on the icon pack that's currently applied, and then tap release.

If you think this would be much easier if it were baked into the launcher or settings app instead of Theme Park, you're right. Having to download an app that isn't even available in all regions isn't the best experience. Thankfully we don't think it will be this way forever. Samsung has a track record of testing experimental features in Good Lock modules before baking them right into future versions of One UI. One UI 4 added the ability to customize your share sheet, something that was already possible back in One UI 2 with Good Lock.

It's likely Samsung will add icon theming to One Ui in the not-too-distant future.If you'd rather not wait, Theme Park can be downloaded from the Galaxy Store.