How To Get A Dark Theme On Android Oreo 8.0

Last Updated on May 26, 2022 by Bestusefultips

This tutorial explains how to install a dark theme on Android Oreo 8.0 without root. There are several options to set wallpaper on Oreo, but you can’t see a dark theme option. Using Substratum and Andromeda, you can set the Android 8.0 dark mode/theme. With the help of this, easily customize the theme on Android Oreo without rooting your device. Google Pixel and Nexus 6P/5X users are getting official OTA updates of Android Ore 8.0. Android Oreo has added tremendous features, including PIP mode, Notification dots, Android instant apps, background process limit, Auto-fill, etc.

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How To Install A Android 8.0 Dark Theme with the help of Substratum and Andromeda

Install dark theme on android Oreo without root

First, download and install the substratum theme and Andromeda add-on on your running Oreo device. Let’s see how to set up Andromeda and install the substratum theme on the Android Oreo device.

Download Andromeda add-ons for substratum theme from Google play store.

Download the Substratum theme engine on your android Oreo device.

Step 1: Go to Settings > Developer options > Debugging > Enable USB debugging

If there is a hidden developer option in your Oreo, enable developer mode in Oreo using the below.

Settings > System > About phone > Tap build number 7 times

Now enable developer mode on your device.

Step 2: Launch Andromeda apps on your device. By default, disconnected from the connection status

Step 3: Connect your Oreo device to your PC via USB cable

After connecting your device with the PC, check the below settings.

Windows PC:

First of all, open the start_andromeda.bat file. It will ask for grant administrator rights and see the command prompt. After pressing enter, you will see many ADB commands are running.  These commands are set up in the Andromeda add-on, so use your desktop PC independently.


Double click on “”. It will ask you to select the disk image of the mounted Andromeda client. Tap continues and selects Andromeda from the list of options. Now click on done.

Step 4: After completing the process with the Andromeda client on your desktop PC, see the substratum application open up on your device

To verify it, open the Andromeda app, and the connection status shows connected.

Step 5: Now install Andromeda on your Oreo and desktop PC.

Now download the below-given theme on your Oreo device:

Download [Substratum] Sai’s Android Oreo Black theme and install it on our Oreo device to ser dark theme.

Download [Substratum] Sai’s Fresh theme and install it on your Oreo device to set a dark theme in settings and System UI tuner.

How to Install a Dark Theme on Android Oreo 8.0

Step 1: Open the Substratum app and tap Sai’s Android O Black theme.

Step 2: Tap Select to toggle all overlays.

Here you will customize the color by expanding the drop-down menu under the Android system and selecting the color you set.

Step 3: Tap the paint roller icon and select Build & Enable.

Now, complete the installation process and restart your Android Oreo 8.0 device. Now, enjoy dark theme mode in android Oreo without rooting your device. Also, install the black themes on messages, Twitter, and other apps.


Enable Dark Mode on Android 9 Pie Using the Phone Settings

Step 1: Go to Settings.

Step 2: Tap on Display.

Step 3: Tap Advanced.

Step 4: Tap Device theme.

Step 5: Choose Dark.

Automatically Turn on Dark Mode on Android 10

Settings > Display > Dark theme > Schedule > Choose “Turns on from sunset to sunrise”

And that’s all. I hope the above-given article helps install a dark theme on Android Oreo 8.1 without rooting the device. If you have any trouble, let us know in the comment section below.

About Bestusefultips

I'm Arpit Patel, a techno lover from India. Bestusefultips is a technology website focused on the latest Android news, tricks & tips related to Android devices, tutorials and videos.

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