How to install dark theme on android Oreo

Google Pixel and Nexus 6P/5X users getting official OTA updates of android Ore 8.0. Android Oreo has tremendous features including PIP mode, Notification dots, Android instant apps, background process limit, Auto-fill and more. There are several options to set wallpaper on Oreo, but you can’t see dark theme option. So in this tutorial, I will show you how to install dark theme on android Oreo 8.0 without root.

You can change android Oreo theme using Substratum and Andromeda. With help of this, easily customize theme on android 8.0 Oreo without root your device. Check out below given step by step process to install dark theme on android Oreo 8.0 devices such as Google Pixel, Pixel XL, Nexus 6P, Nexus 5X, Moto Z/Z play, HTC, LG, Nokia 6/5/3 etc.

Read This: How to enable automatically Wi-Fi on android Oreo

Install dark theme on android Oreo 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 substratum theme on android Oreo device.

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

Download 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 connected 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 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 continue and select Andromeda from 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 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 on our Oreo device to ser dark theme.

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

Steps to install 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 drop down menu under android system and select the color you set.

Step 3: Tap paint roller icon and select Build & enable

Now completed installation process and restart your android Oreo 8.0 device.

Now enjoy dark theme mode in android Oreo without root your device. Also install black theme on messages, Twitter and other apps.

And that’s all. I hope above given article helpful to install dark theme on android Oreo without rooting 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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