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How To Get A Dark Theme On Android Oreo 8.0

Last Updated on March 7, 2021 by Bestusefultips

This tutorial explains to you 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. You can set the Android 8.0 dark mode/theme using Substratum and Andromeda. With the help of this, easily customize the theme on Android Oreo without root your device. Google Pixel and Nexus 6P/5X users getting official OTA updates of Android Ore 8.0. Android Oreo has added new tremendous features including PIP mode, Notification dots, Android instant apps, background process limit, Auto-fill, and more.

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

Install dark theme on android Oreo without root

First of all download and install substratum theme and Andromeda add-on on your running Oreo device. Let 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 hidden developer option in your Oreo, enable developer mode in Oreo using below this.

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

Now enable developer mode in your device.

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

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

After connecting your device with PC, check below settings.

Windows PC:

First of all open start_andromeda.bat file. It will ask for grant administrator rights and see the command prompt. After pressing enter, you will see lot ADB commands are running.  These commands are set up 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 complete process with Andromeda client on your desktop PC, see the substratum application open up on your device

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

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

Now download 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 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 select the color you set.

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

Now, completed the installation process and restart your Android Oreo 8.0 device. Now, enjoy dark theme mode in android Oreo without root 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 helpful to install a dark theme on Android Oreo 8.1 without rooting the device. If you have any kind of trouble, let us know in below comment section.

About Bestusefultips

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

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